{"publisher":"Xirkit — the structured parts marketplace","canonical":"https://www.xirkit.io/products/seeed-studio-xiao-nrf52840-sense-a973","markdown":"https://www.xirkit.io/products/seeed-studio-xiao-nrf52840-sense-a973/data.md","mcp":"https://www.xirkit.io/mcp","note":"Every value is traced to a cited source (see sources and per-value src). Null means unknown, never zero.","record":{"id":"a9738595-460f-5e6b-890e-4787635efade","mpn":"102010469","name":"Seeed Studio XIAO nRF52840 Sense","manufacturer":"Seeed Studio","family":"dev_board","summary":"Thumb-sized (21×17.8 mm) nRF52840 board (64 MHz Cortex-M4F, 1 MB flash + 2 MB QSPI flash, 256 KB RAM, Bluetooth 5 / NFC) with 6-DoF IMU (LSM6DS3TR-C) and PDM microphone, Li-ion charger (BQ25101), USB-C, RGB LED, 11 GPIO / 6 ADC castellated pads + SWD/NFC/battery back pads; <5 µA standby.","schema_version":"3.0","revision":null,"tags":["dev_board","bluetooth","battery powered","wearables","sensors","tinyml","native usb","small form factor","beginner friendly","nrf52840","seeed","microcontroller","development board","i2c","spi","uart","usb"],"sources":[{"other":{},"id":"datasheet","url":"https://wiki.seeedstudio.com/XIAO_BLE/","title":"Seeed Studio XIAO nRF52840 Sense datasheet","publisher":"Seeed Studio","kind":"datasheet","retrieved_at":"2026-09-24T21:34:03+00:00","field_paths":["spec.constraints.electrical.io_voltage_v","spec.constraints.electrical.logic_high_min_v","spec.constraints.electrical.pin_drive_max_ma","spec.constraints.electrical.supply_voltage_max_v","spec.constraints.electrical.supply_voltage_min_v","spec.geometry.cad.assumptions","spec.geometry.cad.bbox.height_mm","spec.geometry.cad.bbox.length_mm","spec.geometry.cad.bbox.width_mm","spec.geometry.cad.envelope_complete","spec.geometry.cad.mesh_path","spec.geometry.cad.step_path","spec.geometry.cad.verification","spec.geometry.dimensions.height_mm","spec.geometry.dimensions.length_mm","spec.geometry.dimensions.width_mm","spec.geometry.feature_boxes","spec.provides.capabilities","spec.provides.features","spec.provides.gpio_count","spec.provides.memory.flash_kb","spec.provides.memory.sram_kb","spec.provides.software_frameworks","spec.provides.wireless","spec.usage.connectors","spec.usage.pin_mappings","spec.usage.pinout","spec.usage.pinout_complete","spec.usage.requirements.power_inputs"],"notes":"sha256 7106c3f62c08e87b53ebb28af33172e18b9da60b40b63460f4a6b8980ea0d4cd"},{"other":{},"id":"offer0","url":"https://www.seeedstudio.com/Seeed-XIAO-BLE-Sense-nRF52840-p-5253.html","title":"Seeed Studio listing","publisher":null,"kind":"distributor","retrieved_at":"2026-09-24T21:37:27+00:00","field_paths":["offers"],"notes":null}],"assets":[{"other":{},"kind":"datasheet","url":"https://wiki.seeedstudio.com/XIAO_BLE/","label":"Datasheet","verification":"manufacturer","notes":null},{"other":{},"kind":"image","url":"https://media-cdn.seeedstudio.com/media/catalog/product/1/-/1-102010469-seeed-studio-xiao-nrf52840-sense-45font-logo.jpg","label":"Seeed Studio XIAO nRF52840 Sense (official store photo, SKU 102010469)","verification":"manufacturer","notes":"inspected: shows the XIAO nRF52840 board (shield marked 'XIAO nRF52840'; Sense and non-Sense look identical from the top), USB-C, castellated pads; saved at work/xiao-nrf52840-sense/images/"},{"other":{},"kind":"cad","url":"xiao-nrf52840-sense.step","label":"STEP (generated from datasheet drawing)","verification":"generated","notes":"cad_check passed"}],"offers":[{"other":{"price_breaks":[]},"supplier":"Seeed Studio","url":"https://www.seeedstudio.com/Seeed-XIAO-BLE-Sense-nRF52840-p-5253.html","currency":"USD","unit_price":15.9,"stock_status":"unknown","region":"US","minimum_quantity":null,"checked_at":"2026-09-24T21:37:27+00:00","lead_time_days_min":null,"lead_time_days_max":null,"destination":"US","destination_postal_code":null,"notes":null}],"best_for":[{"other":{},"label":"Connected IoT devices and wireless sensor nodes","reason":"On-board radio: Bluetooth Low Energy 5.x / Mesh; NFC.","basis":"engineering_inference"},{"other":{},"label":"Battery-powered and portable builds","reason":"On-board LiPo charger (Texas Instruments BQ25101YFPT) — run from a cell and charge over USB.","basis":"engineering_inference"},{"other":{},"label":"Sensor fusion and on-device ML (TinyML)","reason":"On-board imu, microphone alongside the MCU — motion and audio data without extra wiring.","basis":"engineering_inference"},{"other":{},"label":"Custom USB devices (HID, MIDI, serial)","reason":"USB is on the main chip (nRF52840), so the board can enumerate as a keyboard, MIDI device or CDC serial port.","basis":"engineering_inference"},{"other":{},"label":"Space-constrained and embedded builds","reason":"21.0 × 17.8 mm footprint.","basis":"engineering_inference"},{"other":{},"label":"Learning and fast prototyping","reason":"Programs from Arduino, MicroPython, CircuitPython.","basis":"engineering_inference"}],"children":[{"other":{},"ref_id":"a9738595-460f-5e6b-890e-4787635efade--mcu","role":"main_processor","count":1,"notes":"Nordic Semiconductor nRF52840"},{"other":{},"ref_id":"a9738595-460f-5e6b-890e-4787635efade--u3","role":"imu","count":1,"notes":"STMicroelectronics LSM6DS3TR-C"},{"other":{},"ref_id":"a9738595-460f-5e6b-890e-4787635efade--mic1","role":"microphone","count":1,"notes":"MEMSensing MSM261D3526H1CPM"},{"other":{},"ref_id":"a9738595-460f-5e6b-890e-4787635efade--u2","role":"battery_charger","count":1,"notes":"Texas Instruments BQ25101YFPT"},{"other":{},"ref_id":"a9738595-460f-5e6b-890e-4787635efade--u6","role":"ldo_regulator","count":1,"notes":"SG Micro SGM2040-3.3YUDH4G/TR"},{"other":{},"ref_id":"a9738595-460f-5e6b-890e-4787635efade--u7","role":"flash_memory","count":1,"notes":"Puya P25Q16H-UXH-IR"}],"spec":{"other":{},"usage":{"other":{},"pinout":[{"id":"D0","kind":"gpio","label":"D0","notes":"GPIO, AIN0","other":{},"position":"L1","reserved":false,"connector":"castellated_edge","functions":["D0","P0.02","PWM","Analog","AIN0","any digital peripheral via PSEL (UART/SPI/TWI/PWM/QDEC/I2S/PDM)"],"voltage_v":3.3,"electrical":{"ioh":{"max":4,"min":1,"typ":2,"unit":"mA","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; chip u1 P0.02"},"iol":{"max":4,"min":1,"typ":2,"unit":"mA","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; chip u1 P0.02"},"vih":{"max":3.3,"min":2.31,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; min = 0.7 × VDD, max = VDD; chip u1 P0.02"},"vil":{"max":0.99,"min":0,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; max = 0.3 × VDD; chip u1 P0.02"},"voh":{"max":3.3,"min":2.9,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; VDD − 0.4 V; chip u1 P0.02"},"vol":{"max":0.4,"min":0,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; chip u1 P0.02"},"pull_up":{"max":16,"min":11,"typ":13,"unit":"kΩ","source":"nRF52840-QIAA datasheet p.159","conditions":"chip u1 P0.02"},"pull_down":{"max":16,"min":11,"typ":13,"unit":"kΩ","source":"nRF52840-QIAA datasheet p.159","conditions":"chip u1 P0.02"},"io_voltage":{"unit":"V","value":3.3,"source":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip"},"abs_max_voltage":{"max":3.6,"min":-0.3,"unit":"V","source":"nRF52840-QIAA datasheet p.623","conditions":"VDD=3.3V; max = VDD + 0.3 V; chip u1 P0.02"},"input_capacitance":{"typ":3,"unit":"pF","source":"nRF52840-QIAA datasheet p.159","conditions":"chip u1 P0.02"},"five_volt_tolerant":{"value":false,"source":"nRF52840-QIAA datasheet p.623","conditions":"VDD=3.3V; I/O max = VDD + 0.3 V; chip u1 P0.02"},"drive_recommendation":{"value":"standard drive, low-frequency I/O only (≤ 10 kHz) — near the radio","source":"nRF52840-QIAA datasheet p.580","conditions":"chip u1 P0.02"}},"max_drive_ma":4,"boot_strapping":false,"five_volt_tolerant":false},{"id":"D1","kind":"gpio","label":"D1","notes":"GPIO, AIN1","other":{},"position":"L2","reserved":false,"connector":"castellated_edge","functions":["D1","P0.03","PWM","Analog","AIN1","any digital peripheral via PSEL (UART/SPI/TWI/PWM/QDEC/I2S/PDM)"],"voltage_v":3.3,"electrical":{"ioh":{"max":4,"min":1,"typ":2,"unit":"mA","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; chip u1 P0.03"},"iol":{"max":4,"min":1,"typ":2,"unit":"mA","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; chip u1 P0.03"},"vih":{"max":3.3,"min":2.31,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; min = 0.7 × VDD, max = VDD; chip u1 P0.03"},"vil":{"max":0.99,"min":0,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; max = 0.3 × VDD; chip u1 P0.03"},"voh":{"max":3.3,"min":2.9,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; VDD − 0.4 V; chip u1 P0.03"},"vol":{"max":0.4,"min":0,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; chip u1 P0.03"},"pull_up":{"max":16,"min":11,"typ":13,"unit":"kΩ","source":"nRF52840-QIAA datasheet p.159","conditions":"chip u1 P0.03"},"pull_down":{"max":16,"min":11,"typ":13,"unit":"kΩ","source":"nRF52840-QIAA datasheet p.159","conditions":"chip u1 P0.03"},"io_voltage":{"unit":"V","value":3.3,"source":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip"},"abs_max_voltage":{"max":3.6,"min":-0.3,"unit":"V","source":"nRF52840-QIAA datasheet p.623","conditions":"VDD=3.3V; max = VDD + 0.3 V; chip u1 P0.03"},"input_capacitance":{"typ":3,"unit":"pF","source":"nRF52840-QIAA datasheet p.159","conditions":"chip u1 P0.03"},"five_volt_tolerant":{"value":false,"source":"nRF52840-QIAA datasheet p.623","conditions":"VDD=3.3V; I/O max = VDD + 0.3 V; chip u1 P0.03"},"drive_recommendation":{"value":"standard drive, low-frequency I/O only (≤ 10 kHz) — near the radio","source":"nRF52840-QIAA datasheet p.580","conditions":"chip u1 P0.03"}},"max_drive_ma":4,"boot_strapping":false,"five_volt_tolerant":false},{"id":"D2","kind":"gpio","label":"D2","notes":"GPIO, AIN4","other":{},"position":"L3","reserved":false,"connector":"castellated_edge","functions":["D2","P0.28","PWM","Analog","AIN4","any digital peripheral via PSEL (UART/SPI/TWI/PWM/QDEC/I2S/PDM)"],"voltage_v":3.3,"electrical":{"ioh":{"max":4,"min":1,"typ":2,"unit":"mA","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; chip u1 P0.28"},"iol":{"max":4,"min":1,"typ":2,"unit":"mA","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; chip u1 P0.28"},"vih":{"max":3.3,"min":2.31,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; min = 0.7 × VDD, max = VDD; chip u1 P0.28"},"vil":{"max":0.99,"min":0,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; max = 0.3 × VDD; chip u1 P0.28"},"voh":{"max":3.3,"min":2.9,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; VDD − 0.4 V; chip u1 P0.28"},"vol":{"max":0.4,"min":0,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; chip u1 P0.28"},"pull_up":{"max":16,"min":11,"typ":13,"unit":"kΩ","source":"nRF52840-QIAA datasheet p.159","conditions":"chip u1 P0.28"},"pull_down":{"max":16,"min":11,"typ":13,"unit":"kΩ","source":"nRF52840-QIAA datasheet p.159","conditions":"chip u1 P0.28"},"io_voltage":{"unit":"V","value":3.3,"source":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip"},"abs_max_voltage":{"max":3.6,"min":-0.3,"unit":"V","source":"nRF52840-QIAA datasheet p.623","conditions":"VDD=3.3V; max = VDD + 0.3 V; chip u1 P0.28"},"input_capacitance":{"typ":3,"unit":"pF","source":"nRF52840-QIAA datasheet p.159","conditions":"chip u1 P0.28"},"five_volt_tolerant":{"value":false,"source":"nRF52840-QIAA datasheet p.623","conditions":"VDD=3.3V; I/O max = VDD + 0.3 V; chip u1 P0.28"},"drive_recommendation":{"value":"standard drive, low-frequency I/O only (≤ 10 kHz) — near the radio","source":"nRF52840-QIAA datasheet p.580","conditions":"chip u1 P0.28"}},"max_drive_ma":4,"boot_strapping":false,"five_volt_tolerant":false},{"id":"D3","kind":"gpio","label":"D3","notes":"GPIO, AIN5","other":{},"position":"L4","reserved":false,"connector":"castellated_edge","functions":["D3","P0.29","PWM","Analog","AIN5","any digital peripheral via PSEL (UART/SPI/TWI/PWM/QDEC/I2S/PDM)"],"voltage_v":3.3,"electrical":{"ioh":{"max":4,"min":1,"typ":2,"unit":"mA","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; chip u1 P0.29"},"iol":{"max":4,"min":1,"typ":2,"unit":"mA","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; chip u1 P0.29"},"vih":{"max":3.3,"min":2.31,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; min = 0.7 × VDD, max = VDD; chip u1 P0.29"},"vil":{"max":0.99,"min":0,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; max = 0.3 × VDD; chip u1 P0.29"},"voh":{"max":3.3,"min":2.9,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; VDD − 0.4 V; chip u1 P0.29"},"vol":{"max":0.4,"min":0,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; chip u1 P0.29"},"pull_up":{"max":16,"min":11,"typ":13,"unit":"kΩ","source":"nRF52840-QIAA datasheet p.159","conditions":"chip u1 P0.29"},"pull_down":{"max":16,"min":11,"typ":13,"unit":"kΩ","source":"nRF52840-QIAA datasheet p.159","conditions":"chip u1 P0.29"},"io_voltage":{"unit":"V","value":3.3,"source":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip"},"abs_max_voltage":{"max":3.6,"min":-0.3,"unit":"V","source":"nRF52840-QIAA datasheet p.623","conditions":"VDD=3.3V; max = VDD + 0.3 V; chip u1 P0.29"},"input_capacitance":{"typ":3,"unit":"pF","source":"nRF52840-QIAA datasheet p.159","conditions":"chip u1 P0.29"},"five_volt_tolerant":{"value":false,"source":"nRF52840-QIAA datasheet p.623","conditions":"VDD=3.3V; I/O max = VDD + 0.3 V; chip u1 P0.29"},"drive_recommendation":{"value":"standard drive, low-frequency I/O only (≤ 10 kHz) — near the radio","source":"nRF52840-QIAA datasheet p.580","conditions":"chip u1 P0.29"}},"max_drive_ma":4,"boot_strapping":false,"five_volt_tolerant":false},{"id":"D4","kind":"gpio","label":"D4","notes":"GPIO, I2C Data, AIN2","other":{},"position":"L5","reserved":false,"connector":"castellated_edge","functions":["D4","P0.04","PWM","Analog","SDA","AIN2","any digital peripheral via PSEL (UART/SPI/TWI/PWM/QDEC/I2S/PDM)"],"voltage_v":3.3,"electrical":{"ioh":{"max":4,"min":1,"typ":2,"unit":"mA","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; chip u1 P0.04"},"iol":{"max":4,"min":1,"typ":2,"unit":"mA","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; chip u1 P0.04"},"vih":{"max":3.3,"min":2.31,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; min = 0.7 × VDD, max = VDD; chip u1 P0.04"},"vil":{"max":0.99,"min":0,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; max = 0.3 × VDD; chip u1 P0.04"},"voh":{"max":3.3,"min":2.9,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; VDD − 0.4 V; chip u1 P0.04"},"vol":{"max":0.4,"min":0,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; chip u1 P0.04"},"pull_up":{"max":16,"min":11,"typ":13,"unit":"kΩ","source":"nRF52840-QIAA datasheet p.159","conditions":"chip u1 P0.04"},"pull_down":{"max":16,"min":11,"typ":13,"unit":"kΩ","source":"nRF52840-QIAA datasheet p.159","conditions":"chip u1 P0.04"},"io_voltage":{"unit":"V","value":3.3,"source":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip"},"ioh_high_drive":{"max":14,"min":6,"typ":9,"unit":"mA","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; VDD ≥ 2.7 V; chip u1 P0.04"},"iol_high_drive":{"max":15,"min":6,"typ":10,"unit":"mA","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; VDD ≥ 2.7 V; chip u1 P0.04"},"voh_high_drive":{"min":2.9,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; VDD ≥ 2.7 V; chip u1 P0.04"},"abs_max_voltage":{"max":3.6,"min":-0.3,"unit":"V","source":"nRF52840-QIAA datasheet p.623","conditions":"VDD=3.3V; max = VDD + 0.3 V; chip u1 P0.04"},"input_capacitance":{"typ":3,"unit":"pF","source":"nRF52840-QIAA datasheet p.159","conditions":"chip u1 P0.04"},"five_volt_tolerant":{"value":false,"source":"nRF52840-QIAA datasheet p.623","conditions":"VDD=3.3V; I/O max = VDD + 0.3 V; chip u1 P0.04"}},"max_drive_ma":4,"boot_strapping":false,"five_volt_tolerant":false},{"id":"D5","kind":"gpio","label":"D5","notes":"GPIO, I2C Clock, AIN3","other":{},"position":"L6","reserved":false,"connector":"castellated_edge","functions":["D5","P0.05","PWM","Analog","SCL","AIN3","any digital peripheral via PSEL (UART/SPI/TWI/PWM/QDEC/I2S/PDM)"],"voltage_v":3.3,"electrical":{"ioh":{"max":4,"min":1,"typ":2,"unit":"mA","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; chip u1 P0.05"},"iol":{"max":4,"min":1,"typ":2,"unit":"mA","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; chip u1 P0.05"},"vih":{"max":3.3,"min":2.31,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; min = 0.7 × VDD, max = VDD; chip u1 P0.05"},"vil":{"max":0.99,"min":0,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; max = 0.3 × VDD; chip u1 P0.05"},"voh":{"max":3.3,"min":2.9,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; VDD − 0.4 V; chip u1 P0.05"},"vol":{"max":0.4,"min":0,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; chip u1 P0.05"},"pull_up":{"max":16,"min":11,"typ":13,"unit":"kΩ","source":"nRF52840-QIAA datasheet p.159","conditions":"chip u1 P0.05"},"pull_down":{"max":16,"min":11,"typ":13,"unit":"kΩ","source":"nRF52840-QIAA datasheet p.159","conditions":"chip u1 P0.05"},"io_voltage":{"unit":"V","value":3.3,"source":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip"},"ioh_high_drive":{"max":14,"min":6,"typ":9,"unit":"mA","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; VDD ≥ 2.7 V; chip u1 P0.05"},"iol_high_drive":{"max":15,"min":6,"typ":10,"unit":"mA","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; VDD ≥ 2.7 V; chip u1 P0.05"},"voh_high_drive":{"min":2.9,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; VDD ≥ 2.7 V; chip u1 P0.05"},"abs_max_voltage":{"max":3.6,"min":-0.3,"unit":"V","source":"nRF52840-QIAA datasheet p.623","conditions":"VDD=3.3V; max = VDD + 0.3 V; chip u1 P0.05"},"input_capacitance":{"typ":3,"unit":"pF","source":"nRF52840-QIAA datasheet p.159","conditions":"chip u1 P0.05"},"five_volt_tolerant":{"value":false,"source":"nRF52840-QIAA datasheet p.623","conditions":"VDD=3.3V; I/O max = VDD + 0.3 V; chip u1 P0.05"}},"max_drive_ma":4,"boot_strapping":false,"five_volt_tolerant":false},{"id":"D6","kind":"gpio","label":"D6","notes":"GPIO, UART Transmit","other":{},"position":"L7","reserved":false,"connector":"castellated_edge","functions":["D6","P1.11","PWM","TX","any digital peripheral via PSEL (UART/SPI/TWI/PWM/QDEC/I2S/PDM)"],"voltage_v":3.3,"electrical":{"ioh":{"max":4,"min":1,"typ":2,"unit":"mA","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; chip u1 P1.11"},"iol":{"max":4,"min":1,"typ":2,"unit":"mA","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; chip u1 P1.11"},"vih":{"max":3.3,"min":2.31,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; min = 0.7 × VDD, max = VDD; chip u1 P1.11"},"vil":{"max":0.99,"min":0,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; max = 0.3 × VDD; chip u1 P1.11"},"voh":{"max":3.3,"min":2.9,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; VDD − 0.4 V; chip u1 P1.11"},"vol":{"max":0.4,"min":0,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; chip u1 P1.11"},"pull_up":{"max":16,"min":11,"typ":13,"unit":"kΩ","source":"nRF52840-QIAA datasheet p.159","conditions":"chip u1 P1.11"},"pull_down":{"max":16,"min":11,"typ":13,"unit":"kΩ","source":"nRF52840-QIAA datasheet p.159","conditions":"chip u1 P1.11"},"io_voltage":{"unit":"V","value":3.3,"source":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip"},"abs_max_voltage":{"max":3.6,"min":-0.3,"unit":"V","source":"nRF52840-QIAA datasheet p.623","conditions":"VDD=3.3V; max = VDD + 0.3 V; chip u1 P1.11"},"input_capacitance":{"typ":3,"unit":"pF","source":"nRF52840-QIAA datasheet p.159","conditions":"chip u1 P1.11"},"five_volt_tolerant":{"value":false,"source":"nRF52840-QIAA datasheet p.623","conditions":"VDD=3.3V; I/O max = VDD + 0.3 V; chip u1 P1.11"},"drive_recommendation":{"value":"standard drive, low-frequency I/O only (≤ 10 kHz) — near the radio","source":"nRF52840-QIAA datasheet p.580","conditions":"chip u1 P1.11"}},"max_drive_ma":4,"boot_strapping":false,"five_volt_tolerant":false},{"id":"5V","kind":"power_in","label":"5V","notes":"Power Input/Output","other":{},"position":"R1","reserved":false,"connector":"castellated_edge","functions":["power_in"],"voltage_v":5,"electrical":{"input_voltage":{"typ":5,"unit":"V","source":"p.4 table 4_3"}}},{"id":"GND_edge","kind":"ground","label":"GND","other":{},"position":"R2","reserved":false,"connector":"castellated_edge","functions":["ground"],"voltage_v":0,"electrical":{}},{"id":"3V3","kind":"power_out","label":"3V3","notes":"Power Output","other":{},"position":"R3","reserved":false,"connector":"castellated_edge","functions":["power_out"],"voltage_v":3.3,"electrical":{"output_voltage":{"typ":3.3,"unit":"V","source":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip"}}},{"id":"D10","kind":"gpio","label":"D10","notes":"GPIO, SPI Data","other":{},"position":"R4","reserved":false,"connector":"castellated_edge","functions":["D10","P1.15","PWM","SPI_MOSI","any digital peripheral via PSEL (UART/SPI/TWI/PWM/QDEC/I2S/PDM)"],"voltage_v":3.3,"electrical":{"ioh":{"max":4,"min":1,"typ":2,"unit":"mA","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; chip u1 P1.15"},"iol":{"max":4,"min":1,"typ":2,"unit":"mA","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; chip u1 P1.15"},"vih":{"max":3.3,"min":2.31,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; min = 0.7 × VDD, max = VDD; chip u1 P1.15"},"vil":{"max":0.99,"min":0,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; max = 0.3 × VDD; chip u1 P1.15"},"voh":{"max":3.3,"min":2.9,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; VDD − 0.4 V; chip u1 P1.15"},"vol":{"max":0.4,"min":0,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; chip u1 P1.15"},"pull_up":{"max":16,"min":11,"typ":13,"unit":"kΩ","source":"nRF52840-QIAA datasheet p.159","conditions":"chip u1 P1.15"},"pull_down":{"max":16,"min":11,"typ":13,"unit":"kΩ","source":"nRF52840-QIAA datasheet p.159","conditions":"chip u1 P1.15"},"io_voltage":{"unit":"V","value":3.3,"source":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip"},"abs_max_voltage":{"max":3.6,"min":-0.3,"unit":"V","source":"nRF52840-QIAA datasheet p.623","conditions":"VDD=3.3V; max = VDD + 0.3 V; chip u1 P1.15"},"input_capacitance":{"typ":3,"unit":"pF","source":"nRF52840-QIAA datasheet p.159","conditions":"chip u1 P1.15"},"five_volt_tolerant":{"value":false,"source":"nRF52840-QIAA datasheet p.623","conditions":"VDD=3.3V; I/O max = VDD + 0.3 V; chip u1 P1.15"},"drive_recommendation":{"value":"standard drive, low-frequency I/O only (≤ 10 kHz) — near the radio","source":"nRF52840-QIAA datasheet p.580","conditions":"chip u1 P1.15"}},"max_drive_ma":4,"boot_strapping":false,"five_volt_tolerant":false},{"id":"D9","kind":"gpio","label":"D9","notes":"GPIO, SPI Data","other":{},"position":"R5","reserved":false,"connector":"castellated_edge","functions":["D9","P1.14","PWM","SPI_MISO","any digital peripheral via PSEL (UART/SPI/TWI/PWM/QDEC/I2S/PDM)"],"voltage_v":3.3,"electrical":{"ioh":{"max":4,"min":1,"typ":2,"unit":"mA","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; chip u1 P1.14"},"iol":{"max":4,"min":1,"typ":2,"unit":"mA","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; chip u1 P1.14"},"vih":{"max":3.3,"min":2.31,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; min = 0.7 × VDD, max = VDD; chip u1 P1.14"},"vil":{"max":0.99,"min":0,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; max = 0.3 × VDD; chip u1 P1.14"},"voh":{"max":3.3,"min":2.9,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; VDD − 0.4 V; chip u1 P1.14"},"vol":{"max":0.4,"min":0,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; chip u1 P1.14"},"pull_up":{"max":16,"min":11,"typ":13,"unit":"kΩ","source":"nRF52840-QIAA datasheet p.159","conditions":"chip u1 P1.14"},"pull_down":{"max":16,"min":11,"typ":13,"unit":"kΩ","source":"nRF52840-QIAA datasheet p.159","conditions":"chip u1 P1.14"},"io_voltage":{"unit":"V","value":3.3,"source":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip"},"abs_max_voltage":{"max":3.6,"min":-0.3,"unit":"V","source":"nRF52840-QIAA datasheet p.623","conditions":"VDD=3.3V; max = VDD + 0.3 V; chip u1 P1.14"},"input_capacitance":{"typ":3,"unit":"pF","source":"nRF52840-QIAA datasheet p.159","conditions":"chip u1 P1.14"},"five_volt_tolerant":{"value":false,"source":"nRF52840-QIAA datasheet p.623","conditions":"VDD=3.3V; I/O max = VDD + 0.3 V; chip u1 P1.14"},"drive_recommendation":{"value":"standard drive, low-frequency I/O only (≤ 10 kHz) — near the radio","source":"nRF52840-QIAA datasheet p.580","conditions":"chip u1 P1.14"}},"max_drive_ma":4,"boot_strapping":false,"five_volt_tolerant":false},{"id":"D8","kind":"gpio","label":"D8","notes":"GPIO, SPI Clock","other":{},"position":"R6","reserved":false,"connector":"castellated_edge","functions":["D8","P1.13","PWM","SPI_SCK","any digital peripheral via PSEL (UART/SPI/TWI/PWM/QDEC/I2S/PDM)"],"voltage_v":3.3,"electrical":{"ioh":{"max":4,"min":1,"typ":2,"unit":"mA","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; chip u1 P1.13"},"iol":{"max":4,"min":1,"typ":2,"unit":"mA","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; chip u1 P1.13"},"vih":{"max":3.3,"min":2.31,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; min = 0.7 × VDD, max = VDD; chip u1 P1.13"},"vil":{"max":0.99,"min":0,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; max = 0.3 × VDD; chip u1 P1.13"},"voh":{"max":3.3,"min":2.9,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; VDD − 0.4 V; chip u1 P1.13"},"vol":{"max":0.4,"min":0,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; chip u1 P1.13"},"pull_up":{"max":16,"min":11,"typ":13,"unit":"kΩ","source":"nRF52840-QIAA datasheet p.159","conditions":"chip u1 P1.13"},"pull_down":{"max":16,"min":11,"typ":13,"unit":"kΩ","source":"nRF52840-QIAA datasheet p.159","conditions":"chip u1 P1.13"},"io_voltage":{"unit":"V","value":3.3,"source":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip"},"abs_max_voltage":{"max":3.6,"min":-0.3,"unit":"V","source":"nRF52840-QIAA datasheet p.623","conditions":"VDD=3.3V; max = VDD + 0.3 V; chip u1 P1.13"},"input_capacitance":{"typ":3,"unit":"pF","source":"nRF52840-QIAA datasheet p.159","conditions":"chip u1 P1.13"},"five_volt_tolerant":{"value":false,"source":"nRF52840-QIAA datasheet p.623","conditions":"VDD=3.3V; I/O max = VDD + 0.3 V; chip u1 P1.13"},"drive_recommendation":{"value":"standard drive, low-frequency I/O only (≤ 10 kHz) — near the radio","source":"nRF52840-QIAA datasheet p.580","conditions":"chip u1 P1.13"}},"max_drive_ma":4,"boot_strapping":false,"five_volt_tolerant":false},{"id":"D7","kind":"gpio","label":"D7","notes":"GPIO, UART Receive","other":{},"position":"R7","reserved":false,"connector":"castellated_edge","functions":["D7","P1.12","PWM","RX","any digital peripheral via PSEL (UART/SPI/TWI/PWM/QDEC/I2S/PDM)"],"voltage_v":3.3,"electrical":{"ioh":{"max":4,"min":1,"typ":2,"unit":"mA","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; chip u1 P1.12"},"iol":{"max":4,"min":1,"typ":2,"unit":"mA","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; chip u1 P1.12"},"vih":{"max":3.3,"min":2.31,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; min = 0.7 × VDD, max = VDD; chip u1 P1.12"},"vil":{"max":0.99,"min":0,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; max = 0.3 × VDD; chip u1 P1.12"},"voh":{"max":3.3,"min":2.9,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; VDD − 0.4 V; chip u1 P1.12"},"vol":{"max":0.4,"min":0,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; chip u1 P1.12"},"pull_up":{"max":16,"min":11,"typ":13,"unit":"kΩ","source":"nRF52840-QIAA datasheet p.159","conditions":"chip u1 P1.12"},"pull_down":{"max":16,"min":11,"typ":13,"unit":"kΩ","source":"nRF52840-QIAA datasheet p.159","conditions":"chip u1 P1.12"},"io_voltage":{"unit":"V","value":3.3,"source":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip"},"abs_max_voltage":{"max":3.6,"min":-0.3,"unit":"V","source":"nRF52840-QIAA datasheet p.623","conditions":"VDD=3.3V; max = VDD + 0.3 V; chip u1 P1.12"},"input_capacitance":{"typ":3,"unit":"pF","source":"nRF52840-QIAA datasheet p.159","conditions":"chip u1 P1.12"},"five_volt_tolerant":{"value":false,"source":"nRF52840-QIAA datasheet p.623","conditions":"VDD=3.3V; I/O max = VDD + 0.3 V; chip u1 P1.12"},"drive_recommendation":{"value":"standard drive, low-frequency I/O only (≤ 10 kHz) — near the radio","source":"nRF52840-QIAA datasheet p.580","conditions":"chip u1 P1.12"}},"max_drive_ma":4,"boot_strapping":false,"five_volt_tolerant":false},{"id":"BP-NFC1","kind":"gpio","label":"NFC1","notes":"bottom pad NFC2 pad (KiCad ref) / net P0.09/NFC1, net P0.09/NFC1 — NFC antenna pin; usable as GPIO when NFC is disabled","other":{},"position":"NFC2","reserved":false,"connector":"back_pads","functions":["NFC1","P0.09","any digital peripheral via PSEL (UART/SPI/TWI/PWM/QDEC/I2S/PDM)"],"voltage_v":3.3,"electrical":{"ioh":{"max":4,"min":1,"typ":2,"unit":"mA","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; chip u1 P0.09"},"iol":{"max":4,"min":1,"typ":2,"unit":"mA","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; chip u1 P0.09"},"vih":{"max":3.3,"min":2.31,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; min = 0.7 × VDD, max = VDD; chip u1 P0.09"},"vil":{"max":0.99,"min":0,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; max = 0.3 × VDD; chip u1 P0.09"},"voh":{"max":3.3,"min":2.9,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; VDD − 0.4 V; chip u1 P0.09"},"vol":{"max":0.4,"min":0,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; chip u1 P0.09"},"pull_up":{"max":16,"min":11,"typ":13,"unit":"kΩ","source":"nRF52840-QIAA datasheet p.159","conditions":"chip u1 P0.09"},"pull_down":{"max":16,"min":11,"typ":13,"unit":"kΩ","source":"nRF52840-QIAA datasheet p.159","conditions":"chip u1 P0.09"},"io_voltage":{"unit":"V","value":3.3,"source":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip"},"abs_max_voltage":{"max":3.6,"min":-0.3,"unit":"V","source":"nRF52840-QIAA datasheet p.623","conditions":"VDD=3.3V; max = VDD + 0.3 V; chip u1 P0.09"},"input_capacitance":{"typ":3,"unit":"pF","source":"nRF52840-QIAA datasheet p.159","conditions":"chip u1 P0.09"},"five_volt_tolerant":{"value":false,"source":"nRF52840-QIAA datasheet p.623","conditions":"VDD=3.3V; I/O max = VDD + 0.3 V; chip u1 P0.09"},"drive_recommendation":{"value":"standard drive, low-frequency I/O only (≤ 10 kHz) — near the radio","source":"nRF52840-QIAA datasheet p.580","conditions":"chip u1 P0.09"}},"max_drive_ma":4,"boot_strapping":false,"five_volt_tolerant":false},{"id":"BP-NFC2","kind":"gpio","label":"NFC2","notes":"bottom pad NFC1 pad (KiCad ref) / net P0.10/NFC2, net P0.10/NFC2 — NFC antenna pin; usable as GPIO when NFC is disabled","other":{},"position":"NFC1","reserved":false,"connector":"back_pads","functions":["NFC2","P0.10","any digital peripheral via PSEL (UART/SPI/TWI/PWM/QDEC/I2S/PDM)"],"voltage_v":3.3,"electrical":{"ioh":{"max":4,"min":1,"typ":2,"unit":"mA","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; chip u1 P0.10"},"iol":{"max":4,"min":1,"typ":2,"unit":"mA","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; chip u1 P0.10"},"vih":{"max":3.3,"min":2.31,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; min = 0.7 × VDD, max = VDD; chip u1 P0.10"},"vil":{"max":0.99,"min":0,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; max = 0.3 × VDD; chip u1 P0.10"},"voh":{"max":3.3,"min":2.9,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; VDD − 0.4 V; chip u1 P0.10"},"vol":{"max":0.4,"min":0,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; chip u1 P0.10"},"pull_up":{"max":16,"min":11,"typ":13,"unit":"kΩ","source":"nRF52840-QIAA datasheet p.159","conditions":"chip u1 P0.10"},"pull_down":{"max":16,"min":11,"typ":13,"unit":"kΩ","source":"nRF52840-QIAA datasheet p.159","conditions":"chip u1 P0.10"},"io_voltage":{"unit":"V","value":3.3,"source":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip"},"abs_max_voltage":{"max":3.6,"min":-0.3,"unit":"V","source":"nRF52840-QIAA datasheet p.623","conditions":"VDD=3.3V; max = VDD + 0.3 V; chip u1 P0.10"},"input_capacitance":{"typ":3,"unit":"pF","source":"nRF52840-QIAA datasheet p.159","conditions":"chip u1 P0.10"},"five_volt_tolerant":{"value":false,"source":"nRF52840-QIAA datasheet p.623","conditions":"VDD=3.3V; I/O max = VDD + 0.3 V; chip u1 P0.10"},"drive_recommendation":{"value":"standard drive, low-frequency I/O only (≤ 10 kHz) — near the radio","source":"nRF52840-QIAA datasheet p.580","conditions":"chip u1 P0.10"}},"max_drive_ma":4,"boot_strapping":false,"five_volt_tolerant":false},{"id":"BP-SWDIO","kind":"debug","label":"SWDIO","notes":"bottom pad TP5, net SWDIO","other":{},"position":"TP5","reserved":false,"connector":"back_pads","functions":["SWDIO"],"electrical":{},"boot_strapping":false},{"id":"BP-SWDCLK","kind":"debug","label":"SWDCLK","notes":"bottom pad TP3, net SWDCLK","other":{},"position":"TP3","reserved":false,"connector":"back_pads","functions":["SWDCLK"],"electrical":{},"boot_strapping":false},{"id":"BP-RESET","kind":"control","label":"RESET","notes":"bottom pad TP2, net RESET","other":{},"position":"TP2","reserved":false,"connector":"back_pads","functions":["RESET","P0.18","nRESET","any digital peripheral via PSEL (UART/SPI/TWI/PWM/QDEC/I2S/PDM)"],"voltage_v":3.3,"electrical":{"ioh":{"max":4,"min":1,"typ":2,"unit":"mA","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; chip u1 P0.18"},"iol":{"max":4,"min":1,"typ":2,"unit":"mA","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; chip u1 P0.18"},"vih":{"max":3.3,"min":2.31,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; min = 0.7 × VDD, max = VDD; chip u1 P0.18"},"vil":{"max":0.99,"min":0,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; max = 0.3 × VDD; chip u1 P0.18"},"voh":{"max":3.3,"min":2.9,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; VDD − 0.4 V; chip u1 P0.18"},"vol":{"max":0.4,"min":0,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; chip u1 P0.18"},"pull_up":{"max":16,"min":11,"typ":13,"unit":"kΩ","source":"nRF52840-QIAA datasheet p.159","conditions":"chip u1 P0.18"},"pull_down":{"max":16,"min":11,"typ":13,"unit":"kΩ","source":"nRF52840-QIAA datasheet p.159","conditions":"chip u1 P0.18"},"ioh_high_drive":{"max":14,"min":6,"typ":9,"unit":"mA","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; VDD ≥ 2.7 V; chip u1 P0.18"},"iol_high_drive":{"max":15,"min":6,"typ":10,"unit":"mA","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; VDD ≥ 2.7 V; chip u1 P0.18"},"voh_high_drive":{"min":2.9,"unit":"V","source":"nRF52840-QIAA datasheet p.159","conditions":"VDD=3.3V; VDD ≥ 2.7 V; chip u1 P0.18"},"abs_max_voltage":{"max":3.6,"min":-0.3,"unit":"V","source":"nRF52840-QIAA datasheet p.623","conditions":"VDD=3.3V; max = VDD + 0.3 V; chip u1 P0.18"},"input_capacitance":{"typ":3,"unit":"pF","source":"nRF52840-QIAA datasheet p.159","conditions":"chip u1 P0.18"},"five_volt_tolerant":{"value":false,"source":"nRF52840-QIAA datasheet p.623","conditions":"VDD=3.3V; I/O max = VDD + 0.3 V; chip u1 P0.18"}},"max_drive_ma":4,"boot_strapping":false,"five_volt_tolerant":false},{"id":"BP-GND","kind":"ground","label":"GND","notes":"bottom pad TP1, net GND","other":{},"position":"TP1","reserved":false,"connector":"back_pads","functions":["ground"],"voltage_v":0,"electrical":{}},{"id":"BP-BAT+","kind":"power_in","label":"BAT+","notes":"bottom pad BAT0, net VBAT","other":{},"position":"BAT0","reserved":false,"connector":"back_pads","functions":["power_in"],"electrical":{"charge_current":{"max":100,"typ":50,"unit":"mA","source":"p.9","conditions":"≈50 mA with P0.13 high-impedance, ≈100 mA with P0.13 driven low"}}},{"id":"BP-BAT-","kind":"ground","label":"BAT-","notes":"bottom pad GND0, net GND","other":{},"position":"GND0","reserved":false,"connector":"back_pads","functions":["ground"],"voltage_v":0,"electrical":{}}],"derived":{},"connectors":[{"id":"USB","kind":"USB-C","other":{}},{"id":"castellated_edge","kind":"2×7 castellated pads, 2.54 mm","other":{},"pitch_mm":2.54,"pin_count":14},{"id":"back_pads","kind":"SWD, reset, NFC1/NFC2, battery pads","other":{}}],"pin_mappings":[{"other":{},"signal":"P0.02","child_ref":"a9738595-460f-5e6b-890e-4787635efade--mcu","route_type":"direct","board_pin_id":"D0","child_pin_id":"P0.02"},{"other":{},"signal":"P0.03","child_ref":"a9738595-460f-5e6b-890e-4787635efade--mcu","route_type":"direct","board_pin_id":"D1","child_pin_id":"P0.03"},{"other":{},"signal":"P0.28","child_ref":"a9738595-460f-5e6b-890e-4787635efade--mcu","route_type":"direct","board_pin_id":"D2","child_pin_id":"P0.28"},{"other":{},"signal":"P0.29","child_ref":"a9738595-460f-5e6b-890e-4787635efade--mcu","route_type":"direct","board_pin_id":"D3","child_pin_id":"P0.29"},{"other":{},"signal":"P0.04","child_ref":"a9738595-460f-5e6b-890e-4787635efade--mcu","route_type":"direct","board_pin_id":"D4","child_pin_id":"P0.04"},{"other":{},"signal":"P0.05","child_ref":"a9738595-460f-5e6b-890e-4787635efade--mcu","route_type":"direct","board_pin_id":"D5","child_pin_id":"P0.05"},{"other":{},"signal":"P1.11","child_ref":"a9738595-460f-5e6b-890e-4787635efade--mcu","route_type":"direct","board_pin_id":"D6","child_pin_id":"P1.11"},{"other":{},"signal":"P1.15","child_ref":"a9738595-460f-5e6b-890e-4787635efade--mcu","route_type":"direct","board_pin_id":"D10","child_pin_id":"P1.15"},{"other":{},"signal":"P1.14","child_ref":"a9738595-460f-5e6b-890e-4787635efade--mcu","route_type":"direct","board_pin_id":"D9","child_pin_id":"P1.14"},{"other":{},"signal":"P1.13","child_ref":"a9738595-460f-5e6b-890e-4787635efade--mcu","route_type":"direct","board_pin_id":"D8","child_pin_id":"P1.13"},{"other":{},"signal":"P1.12","child_ref":"a9738595-460f-5e6b-890e-4787635efade--mcu","route_type":"direct","board_pin_id":"D7","child_pin_id":"P1.12"},{"other":{},"signal":"P0.09","child_ref":"a9738595-460f-5e6b-890e-4787635efade--mcu","route_type":"direct","board_pin_id":"BP-NFC1","child_pin_id":"P0.09"},{"other":{},"signal":"P0.10","child_ref":"a9738595-460f-5e6b-890e-4787635efade--mcu","route_type":"direct","board_pin_id":"BP-NFC2","child_pin_id":"P0.10"},{"other":{},"signal":"SWDIO","child_ref":"a9738595-460f-5e6b-890e-4787635efade--mcu","route_type":"direct","board_pin_id":"BP-SWDIO","child_pin_id":"SWDIO"},{"other":{},"signal":"SWDCLK","child_ref":"a9738595-460f-5e6b-890e-4787635efade--mcu","route_type":"direct","board_pin_id":"BP-SWDCLK","child_pin_id":"SWDCLK"},{"other":{},"signal":"P0.18","child_ref":"a9738595-460f-5e6b-890e-4787635efade--mcu","route_type":"direct","board_pin_id":"BP-RESET","child_pin_id":"P0.18"}],"requirements":{"other":{},"data_inputs":[],"power_inputs":[{"name":"5V","notes":"Power Input/Output","other":{}},{"name":"BAT+","notes":"bottom pad BAT0, net VBAT","other":{}}]},"pinout_complete":true},"geometry":{"cad":{"bbox":{"width_mm":17.8,"height_mm":4.8,"length_mm":21},"features":[],"mesh_path":"xiao-nrf52840-sense.stl","step_path":"xiao-nrf52840-sense.step","assumptions":["feature USB-C receptacle: USB-C body typical; flush with the edge"],"verification":"generated","envelope_complete":false},"other":{},"derived":{},"dimensions":{"other":{},"width_mm":17.8,"height_mm":1.6,"length_mm":21},"feature_boxes":[{"name":"USB-C receptacle","x_mm":13.65,"y_mm":4.430000000000001,"other":{},"width_mm":8.94,"height_mm":3.2,"length_mm":7.35}],"mounting_holes":[]},"provides":{"other":{},"memory":{"other":{},"sram_kb":256,"flash_kb":1024},"derived":{},"features":["6-axis IMU LSM6DS3TR-C (Sense)","PDM microphone (Sense)","Li-ion charge management (BQ25101)","NFC interface functional","Standby < 5 µA","Onboard 2 MB QSPI flash","RGB user LED (common anode) + charge LED"],"wireless":["Bluetooth Low Energy 5.x / Mesh","NFC"],"gpio_count":11,"capabilities":[{"other":{},"protocol":"gpio","available":true,"board_pin_ids":["D0","D1","D2","D3","D4","D5","D6","D10","D9","D8","D7","BP-NFC1","BP-NFC2","BP-RESET"]},{"other":{},"protocol":"pwm","available":true,"board_pin_ids":["D0","D1","D2","D3","D4","D5","D6","D10","D9","D8","D7"]},{"notes":"count stated in datasheet (adc_channels)","other":{},"protocol":"adc","available":true,"board_pin_ids":["D0","D1","D2","D3","D4","D5"],"instance_count":6},{"other":{},"protocol":"pin_select","available":true,"board_pin_ids":["D0","D1","D2","D3","D4","D5","D6","D10","D9","D8","D7","BP-NFC1","BP-NFC2","BP-RESET"]},{"notes":"count stated in datasheet (i2c_count)","other":{},"protocol":"i2c","available":true,"board_pin_ids":["D4","D5"],"instance_count":1},{"notes":"count stated in datasheet (uart_count)","other":{},"protocol":"uart","available":true,"board_pin_ids":["D6","D7"],"instance_count":1},{"notes":"count stated in datasheet (spi_count)","other":{},"protocol":"spi","available":true,"board_pin_ids":["D10","D9","D8"],"instance_count":1},{"other":{},"protocol":"nfc","available":true,"board_pin_ids":["BP-NFC1","BP-NFC2"]},{"other":{},"protocol":"debug","available":true,"board_pin_ids":["BP-SWDIO","BP-SWDCLK"]},{"other":{},"protocol":"control","available":true,"board_pin_ids":["BP-RESET"]},{"notes":"USB-C (nRF52840 USB 2.0 FS)","other":{},"protocol":"usb","available":true,"board_pin_ids":[],"instance_count":1}],"software_frameworks":["Arduino","MicroPython","CircuitPython"]},"compliance":{"other":{},"derived":{},"certifications":[]},"constraints":{"other":{},"derived":{},"thermal":{"other":{}},"electrical":{"other":{},"io_voltage_v":3.3,"logic_high_min_v":2.31,"pin_drive_max_ma":4,"supply_voltage_max_v":5,"supply_voltage_min_v":5}}},"other":null,"source_type":"pdf","source_ref":"https://wiki.seeedstudio.com/XIAO_BLE/","datasheet":{"cad":{"bbox":{"max":[21,17.8,4.8],"min":[0,0,0],"width_mm":17.8,"height_mm":4.8,"length_mm":21},"check":{"failed":[],"passed":true},"expected":[{"what":"pcb","width":17.8,"length":21,"thickness":1.6}],"archetype":"pcb_board","mesh_path":"/Users/sumeet/Documents/Xirkit Parent/XirkitOnboard/work/xiao-nrf52840-sense/07_cad/part.stl","step_path":"/Users/sumeet/Documents/Xirkit Parent/XirkitOnboard/work/xiao-nrf52840-sense/07_cad/part.step","views_png":"/Users/sumeet/Documents/Xirkit Parent/XirkitOnboard/work/xiao-nrf52840-sense/07_cad/views.png","export_stl":"xiao-nrf52840-sense.stl","assumptions":["feature USB-C receptacle: USB-C body typical; flush with the edge"],"export_step":"xiao-nrf52840-sense.step","envelope_complete":false},"chips":[{"id":"u1","mpn":"nRF52840","src":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"NRF52840_QF (AQFN50P700X700X85_HS-74N footprint)","method":"table"},"role":"main_processor","manufacturer":"Nordic Semiconductor"},{"id":"u3","mpn":"LSM6DS3TR-C","src":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"U3 LSM6DS3TR-C 6D_INT1 6D_PWR","method":"table"},"role":"imu","manufacturer":"STMicroelectronics"},{"id":"mic1","mpn":"MSM261D3526H1CPM","src":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"MIC1 MSM261D3526H1CPM P1.00_PDM_CLK P0.16_PDM_DATA","method":"table"},"role":"microphone","notes":"PCB value; the wiki resources list a WMM7035DTTJ0 microphone datasheet","manufacturer":"MEMSensing"},{"id":"u2","mpn":"BQ25101YFPT","src":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"U2 BQ25101YFPT VBAT VBUS","method":"table"},"role":"battery_charger","manufacturer":"Texas Instruments"},{"id":"u6","mpn":"SGM2040-3.3YUDH4G/TR","src":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"U6 SGM2040-3.3YUDH4G/TR 3V3 VIN","method":"table"},"role":"ldo_regulator","manufacturer":"SG Micro"},{"id":"u7","mpn":"P25Q16H-UXH-IR","src":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"U7 USON2X3_8 P0.25_QSPI_CSN P0.24_QSPI_SIO_1 … 3V3","method":"derived"},"role":"flash_memory","manufacturer":"Puya"}],"fields":{"usb":{"src":{"page":6,"quote":"- 1 x USB Type-C cable","method":"text"},"unit":null,"value":"USB-C (nRF52840 USB 2.0 FS)"},"sram_kb":{"src":{"page":3,"quote":"| Memory | 256 KB RAM,1MB Flash 2MB onboard Flash |  |  |  |","method":"table","table_id":"3_1"},"orig":{"unit":"KB","value":256},"unit":"KiB","value":256},"flash_kb":{"src":{"page":3,"quote":"| Memory | 256 KB RAM,1MB Flash 2MB onboard Flash |  |  |  |","method":"derived","table_id":"3_1"},"orig":{"unit":"KB","value":1024},"unit":"KiB","value":1024},"mcu_core":{"src":{"page":2,"quote":"- Powerful CPU: Nordic nRF52840, ARM® Cortex®-M4 32-bit processor with FPU, 64 MHz","method":"text"},"unit":null,"value":"Arm Cortex-M4F (nRF52840)"},"wireless":{"src":{"page":3,"quote":"| Wireless Connectivity | Bluetooth Low Energy 5.4/ Bluetooth Mesh/NFC |  |  |  |","method":"table","table_id":"3_1"},"unit":null,"value":["Bluetooth Low Energy 5.x / Mesh","NFC"]},"clock_mhz":{"src":{"page":2,"quote":"- Powerful CPU: Nordic nRF52840, ARM® Cortex®-M4 32-bit processor with FPU, 64 MHz","method":"text"},"orig":{"unit":"MHz","value":64},"unit":"Hz","value":64000000},"i2c_count":{"src":{"page":2,"quote":"- Rich interfaces: 1xUART, 1xI2C, 1xSPI, 1xNFC, 1xSWD, 11xGPIO(PWM), 6xADC in XIAO nRF52840 (Sense); and 2xUART, 1xI2C, 2xSPI, 1xI2S, 1xNFC, 1xSWD, 18xGPIO(PWM), 6xADC in XIAO nRF52840 (Sense) Plus","method":"text"},"unit":null,"value":1},"spi_count":{"src":{"page":2,"quote":"- Rich interfaces: 1xUART, 1xI2C, 1xSPI, 1xNFC, 1xSWD, 11xGPIO(PWM), 6xADC in XIAO nRF52840 (Sense); and 2xUART, 1xI2C, 2xSPI, 1xI2S, 1xNFC, 1xSWD, 18xGPIO(PWM), 6xADC in XIAO nRF52840 (Sense) Plus","method":"text"},"unit":null,"value":1},"gpio_count":{"src":{"page":2,"quote":"- Rich interfaces: 1xUART, 1xI2C, 1xSPI, 1xNFC, 1xSWD, 11xGPIO(PWM), 6xADC in XIAO nRF52840 (Sense); and 2xUART, 1xI2C, 2xSPI, 1xI2S, 1xNFC, 1xSWD, 18xGPIO(PWM), 6xADC in XIAO nRF52840 (Sense) Plus","method":"text"},"unit":null,"value":11},"io_voltage":{"src":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"U6 SGM2040-3.3YUDH4G/TR pin 1 net 3V3","method":"derived"},"unit":"V","value":3.3},"uart_count":{"src":{"page":2,"quote":"- Rich interfaces: 1xUART, 1xI2C, 1xSPI, 1xNFC, 1xSWD, 11xGPIO(PWM), 6xADC in XIAO nRF52840 (Sense); and 2xUART, 1xI2C, 2xSPI, 1xI2S, 1xNFC, 1xSWD, 18xGPIO(PWM), 6xADC in XIAO nRF52840 (Sense) Plus","method":"text"},"unit":null,"value":1},"adc_channels":{"src":{"page":2,"quote":"- Rich interfaces: 1xUART, 1xI2C, 1xSPI, 1xNFC, 1xSWD, 11xGPIO(PWM), 6xADC in XIAO nRF52840 (Sense); and 2xUART, 1xI2C, 2xSPI, 1xI2S, 1xNFC, 1xSWD, 18xGPIO(PWM), 6xADC in XIAO nRF52840 (Sense) Plus","method":"text"},"unit":null,"value":6},"input_voltage":{"src":{"page":4,"quote":"| 5V | VBUS |  | Power Input/Output |  |","method":"table","table_id":"4_3"},"unit":null,"value":"5 V USB-C / Li-ion battery"},"internal_gpio":{"src":{"page":4,"quote":"| 6 DOF IMU_PWR |  | P1.08 | Power switch of the 6D module |  |","method":"table","table_id":"4_3"},"unit":null,"value":["P1.08: IMU power switch","P0.11: IMU INT1","P0.16: PDM data","P1.00: PDM clock","P0.14: battery-read enable (keep LOW)","P0.31: battery ADC (AIN7)","P0.13: charge-current select","P0.17: charge LED / CHG status","P0.26/P0.30/P0.06: RGB LED R/G/B (active low)","RF switch: wiki prints P2.03/P2.05 — not valid nRF52840 ports (P0/P1 only)"]},"regulator_output":{"src":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"U6 SGM2040-3.3YUDH4G/TR","method":"table"},"unit":null,"value":"3.3 V LDO (SGM2040-3.3)"},"software_frameworks":{"src":{"page":3,"quote":"| Programming Languages | Arduino/ MicroPython/ CircuitPython |  |  |  |","method":"table","table_id":"3_1"},"unit":null,"value":["Arduino","MicroPython","CircuitPython"]}},"groups":{"io":["D0","D1","D2","D3","D4","D5","D6","D10","D9","D8","D7","BP-NFC1","BP-NFC2"],"all":["D0","D1","D2","D3","D4","D5","D6","5V","GND_edge","3V3","D10","D9","D8","D7","BP-NFC1","BP-NFC2","BP-SWDIO","BP-SWDCLK","BP-RESET","BP-GND","BP-BAT+","BP-BAT-"]},"source":{"url":"https://wiki.seeedstudio.com/XIAO_BLE/","pages":14,"sha256":"7106c3f62c08e87b53ebb28af33172e18b9da60b40b63460f4a6b8980ea0d4cd","onboarded_at":"2026-09-25T10:47:37+00:00"},"coverage":{"pct":100,"score":"42/42","passed":true,"explained_nulls":["supply_current","operating_temperature","holes","component_heights","weight","compliance"]},"entities":[{"id":"D0","attrs":{"edge":"left","kind":"gpio","label":"D0","number":"A12","chip_pin":"P0.02","position":"L1","connector":"castellated_edge","designator":"D0","castellated":true,"description":"GPIO, AIN0","power_domain":"VDD"},"sources":[{"page":4,"quote":"| D0 | Analog | P0.02 | GPIO, AIN0 | 0 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"}],"attr_src":{"edge":{"page":4,"quote":"| D0 | Analog | P0.02 | GPIO, AIN0 | 0 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"kind":{"page":4,"quote":"| D0 | Analog | P0.02 | GPIO, AIN0 | 0 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"label":{"page":4,"quote":"| D0 | Analog | P0.02 | GPIO, AIN0 | 0 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"number":{"via":"chip u1 P0.02","method":"chip_link"},"chip_pin":{"page":4,"quote":"| D0 | Analog | P0.02 | GPIO, AIN0 | 0 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"position":{"page":4,"quote":"| D0 | Analog | P0.02 | GPIO, AIN0 | 0 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"connector":{"page":4,"quote":"| D0 | Analog | P0.02 | GPIO, AIN0 | 0 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"designator":{"page":4,"quote":"| D0 | Analog | P0.02 | GPIO, AIN0 | 0 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"castellated":{"page":4,"quote":"| D0 | Analog | P0.02 | GPIO, AIN0 | 0 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"description":{"page":4,"quote":"| D0 | Analog | P0.02 | GPIO, AIN0 | 0 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"power_domain":{"via":"chip u1 P0.02","method":"chip_link"}},"chip_pin":{"pin":"P0.02","method":"rule","chip_id":"u1"},"functions":[{"src":{"page":4,"quote":"| D0 | Analog | P0.02 | GPIO, AIN0 | 0 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"D0","category":"gpio"},{"src":{"page":4,"quote":"| D0 | Analog | P0.02 | GPIO, AIN0 | 0 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"P0.02","category":"gpio"},{"src":{"page":4,"quote":"| D0 | Analog | P0.02 | GPIO, AIN0 | 0 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"PWM","category":"pwm"},{"src":{"page":4,"quote":"| D0 | Analog | P0.02 | GPIO, AIN0 | 0 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"Analog","category":"adc"},{"src":{"page":4,"quote":"| D0 | Analog | P0.02 | GPIO, AIN0 | 0 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"AIN0","category":"adc"},{"src":{"page":578,"quote":"A12 P0.02 Digital I/O General purpose I/O Standard drive, low frequency I/O","method":"text","fragment":"functions_aqfn73.json"},"via":"chip u1 P0.02","signal":"any digital peripheral via PSEL (UART/SPI/TWI/PWM/QDEC/I2S/PDM)","category":"pin_select"}],"electrical":{"ioh":[{"max":0.004,"min":0.001,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"I_{OH,SD} Current at VDD-0.4 V, output set high, standard drive, VDD 1 2 4 mA","method":"text","fragment":"ratings_pins.json"},"typ":0.002,"via":"chip u1 P0.02","orig":{"max":4,"min":1,"typ":2,"unit":"mA"},"unit":"A","category":"characteristic","parameter":"Current at VDD−0.4 V, output high, standard drive","conditions":"VDD=3.3V"}],"iol":[{"max":0.004,"min":0.001,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"I_{OL,SD} Current at VSS+0.4 V, output set low, standard drive, VDD ≥ 1 2 4 mA","method":"text","fragment":"ratings_pins.json"},"typ":0.002,"via":"chip u1 P0.02","orig":{"max":4,"min":1,"typ":2,"unit":"mA"},"unit":"A","category":"characteristic","parameter":"Current at VSS+0.4 V, output low, standard drive","conditions":"VDD=3.3V"}],"vih":[{"max":3.3,"min":2.31,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{IH} Input high voltage 0.7 x VDD V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.02","unit":"V","category":"characteristic","parameter":"Input high voltage","conditions":"VDD=3.3V; min = 0.7 × VDD, max = VDD"}],"vil":[{"max":0.99,"min":0,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{IL} Input low voltage VSS 0.3 x V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.02","unit":"V","category":"characteristic","parameter":"Input low voltage","conditions":"VDD=3.3V; max = 0.3 × VDD"}],"voh":[{"max":3.3,"min":2.9,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{OH,SD} Output high voltage, standard drive, 0.5 mA, VDD ≥ 1.7 VDD - 0.4 VDD V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.02","unit":"V","category":"characteristic","parameter":"Output high voltage, standard drive 0.5 mA","conditions":"VDD=3.3V; VDD − 0.4 V"}],"vol":[{"max":0.4,"min":0,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{OL,SD} Output low voltage, standard drive, 0.5 mA, VDD ≥ 1.7 VSS VSS + 0.4 V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.02","unit":"V","category":"characteristic","parameter":"Output low voltage, standard drive 0.5 mA","conditions":"VDD=3.3V"}],"pull_up":[{"max":16000,"min":11000,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"R_{PU} Pull-up resistance 11 13 16 kΩ","method":"text","fragment":"ratings_pins.json"},"typ":13000,"via":"chip u1 P0.02","orig":{"max":16,"min":11,"typ":13,"unit":"kΩ"},"unit":"ohm","category":"characteristic","parameter":"Pull-up resistance"}],"pull_down":[{"max":16000,"min":11000,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"R_{PD} Pull-down resistance 11 13 16 kΩ","method":"text","fragment":"ratings_pins.json"},"typ":13000,"via":"chip u1 P0.02","orig":{"max":16,"min":11,"typ":13,"unit":"kΩ"},"unit":"ohm","category":"characteristic","parameter":"Pull-down resistance"}],"io_voltage":[{"src":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"U6 SGM2040-3.3YUDH4G/TR pin 1 net 3V3","method":"derived","fragment":"ratings_board.json"},"via":"group:io","unit":"V","value":3.3,"category":"operating","parameter":"GPIO level (nRF52840 VDD = 3V3 LDO)"}],"abs_max_voltage":[{"max":3.6,"min":-0.3,"src":{"doc":"nRF52840-QIAA datasheet","page":623,"quote":"V_{I/O} , VDD ≤3.6 V -0.3 VDD + 0.3 V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.02","unit":"V","category":"absolute_max","parameter":"I/O pin voltage (VDD ≤ 3.6 V)","conditions":"VDD=3.3V; max = VDD + 0.3 V"}],"input_capacitance":[{"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"C_{PAD} Pad capacitance 3 pF","method":"text","fragment":"ratings_pins.json"},"typ":0,"via":"chip u1 P0.02","orig":{"typ":3,"unit":"pF"},"unit":"F","category":"characteristic","parameter":"Pad capacitance"}],"five_volt_tolerant":[{"src":{"doc":"nRF52840-QIAA datasheet","page":623,"quote":"V_{I/O} , VDD ≤3.6 V -0.3 VDD + 0.3 V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.02","value":false,"category":"absolute_max","parameter":"5 V tolerant","conditions":"VDD=3.3V; I/O max = VDD + 0.3 V"}],"drive_recommendation":[{"src":{"doc":"nRF52840-QIAA datasheet","page":580,"quote":"151. Low frequency I/O is a signal with a frequency up to 10 kHz.","method":"text","fragment":"ratings_pins.json"},"via":"chip u1 P0.02","value":"standard drive, low-frequency I/O only (≤ 10 kHz) — near the radio","category":"characteristic","parameter":"Recommended drive"}]},"entity_type":"pin"},{"id":"D1","attrs":{"edge":"left","kind":"gpio","label":"D1","number":"B13","chip_pin":"P0.03","position":"L2","connector":"castellated_edge","designator":"D1","castellated":true,"description":"GPIO, AIN1","power_domain":"VDD"},"sources":[{"page":4,"quote":"| D1 | Analog | P0.03 | GPIO, AIN1 | 1 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"}],"attr_src":{"edge":{"page":4,"quote":"| D1 | Analog | P0.03 | GPIO, AIN1 | 1 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"kind":{"page":4,"quote":"| D1 | Analog | P0.03 | GPIO, AIN1 | 1 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"label":{"page":4,"quote":"| D1 | Analog | P0.03 | GPIO, AIN1 | 1 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"number":{"via":"chip u1 P0.03","method":"chip_link"},"chip_pin":{"page":4,"quote":"| D1 | Analog | P0.03 | GPIO, AIN1 | 1 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"position":{"page":4,"quote":"| D1 | Analog | P0.03 | GPIO, AIN1 | 1 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"connector":{"page":4,"quote":"| D1 | Analog | P0.03 | GPIO, AIN1 | 1 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"designator":{"page":4,"quote":"| D1 | Analog | P0.03 | GPIO, AIN1 | 1 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"castellated":{"page":4,"quote":"| D1 | Analog | P0.03 | GPIO, AIN1 | 1 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"description":{"page":4,"quote":"| D1 | Analog | P0.03 | GPIO, AIN1 | 1 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"power_domain":{"via":"chip u1 P0.03","method":"chip_link"}},"chip_pin":{"pin":"P0.03","method":"rule","chip_id":"u1"},"functions":[{"src":{"page":4,"quote":"| D1 | Analog | P0.03 | GPIO, AIN1 | 1 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"D1","category":"gpio"},{"src":{"page":4,"quote":"| D1 | Analog | P0.03 | GPIO, AIN1 | 1 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"P0.03","category":"gpio"},{"src":{"page":4,"quote":"| D1 | Analog | P0.03 | GPIO, AIN1 | 1 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"PWM","category":"pwm"},{"src":{"page":4,"quote":"| D1 | Analog | P0.03 | GPIO, AIN1 | 1 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"Analog","category":"adc"},{"src":{"page":4,"quote":"| D1 | Analog | P0.03 | GPIO, AIN1 | 1 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"AIN1","category":"adc"},{"src":{"page":578,"quote":"B13 P0.03 Digital I/O General purpose I/O Standard drive, low frequency I/O","method":"text","fragment":"functions_aqfn73.json"},"via":"chip u1 P0.03","signal":"any digital peripheral via PSEL (UART/SPI/TWI/PWM/QDEC/I2S/PDM)","category":"pin_select"}],"electrical":{"ioh":[{"max":0.004,"min":0.001,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"I_{OH,SD} Current at VDD-0.4 V, output set high, standard drive, VDD 1 2 4 mA","method":"text","fragment":"ratings_pins.json"},"typ":0.002,"via":"chip u1 P0.03","orig":{"max":4,"min":1,"typ":2,"unit":"mA"},"unit":"A","category":"characteristic","parameter":"Current at VDD−0.4 V, output high, standard drive","conditions":"VDD=3.3V"}],"iol":[{"max":0.004,"min":0.001,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"I_{OL,SD} Current at VSS+0.4 V, output set low, standard drive, VDD ≥ 1 2 4 mA","method":"text","fragment":"ratings_pins.json"},"typ":0.002,"via":"chip u1 P0.03","orig":{"max":4,"min":1,"typ":2,"unit":"mA"},"unit":"A","category":"characteristic","parameter":"Current at VSS+0.4 V, output low, standard drive","conditions":"VDD=3.3V"}],"vih":[{"max":3.3,"min":2.31,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{IH} Input high voltage 0.7 x VDD V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.03","unit":"V","category":"characteristic","parameter":"Input high voltage","conditions":"VDD=3.3V; min = 0.7 × VDD, max = VDD"}],"vil":[{"max":0.99,"min":0,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{IL} Input low voltage VSS 0.3 x V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.03","unit":"V","category":"characteristic","parameter":"Input low voltage","conditions":"VDD=3.3V; max = 0.3 × VDD"}],"voh":[{"max":3.3,"min":2.9,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{OH,SD} Output high voltage, standard drive, 0.5 mA, VDD ≥ 1.7 VDD - 0.4 VDD V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.03","unit":"V","category":"characteristic","parameter":"Output high voltage, standard drive 0.5 mA","conditions":"VDD=3.3V; VDD − 0.4 V"}],"vol":[{"max":0.4,"min":0,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{OL,SD} Output low voltage, standard drive, 0.5 mA, VDD ≥ 1.7 VSS VSS + 0.4 V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.03","unit":"V","category":"characteristic","parameter":"Output low voltage, standard drive 0.5 mA","conditions":"VDD=3.3V"}],"pull_up":[{"max":16000,"min":11000,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"R_{PU} Pull-up resistance 11 13 16 kΩ","method":"text","fragment":"ratings_pins.json"},"typ":13000,"via":"chip u1 P0.03","orig":{"max":16,"min":11,"typ":13,"unit":"kΩ"},"unit":"ohm","category":"characteristic","parameter":"Pull-up resistance"}],"pull_down":[{"max":16000,"min":11000,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"R_{PD} Pull-down resistance 11 13 16 kΩ","method":"text","fragment":"ratings_pins.json"},"typ":13000,"via":"chip u1 P0.03","orig":{"max":16,"min":11,"typ":13,"unit":"kΩ"},"unit":"ohm","category":"characteristic","parameter":"Pull-down resistance"}],"io_voltage":[{"src":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"U6 SGM2040-3.3YUDH4G/TR pin 1 net 3V3","method":"derived","fragment":"ratings_board.json"},"via":"group:io","unit":"V","value":3.3,"category":"operating","parameter":"GPIO level (nRF52840 VDD = 3V3 LDO)"}],"abs_max_voltage":[{"max":3.6,"min":-0.3,"src":{"doc":"nRF52840-QIAA datasheet","page":623,"quote":"V_{I/O} , VDD ≤3.6 V -0.3 VDD + 0.3 V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.03","unit":"V","category":"absolute_max","parameter":"I/O pin voltage (VDD ≤ 3.6 V)","conditions":"VDD=3.3V; max = VDD + 0.3 V"}],"input_capacitance":[{"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"C_{PAD} Pad capacitance 3 pF","method":"text","fragment":"ratings_pins.json"},"typ":0,"via":"chip u1 P0.03","orig":{"typ":3,"unit":"pF"},"unit":"F","category":"characteristic","parameter":"Pad capacitance"}],"five_volt_tolerant":[{"src":{"doc":"nRF52840-QIAA datasheet","page":623,"quote":"V_{I/O} , VDD ≤3.6 V -0.3 VDD + 0.3 V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.03","value":false,"category":"absolute_max","parameter":"5 V tolerant","conditions":"VDD=3.3V; I/O max = VDD + 0.3 V"}],"drive_recommendation":[{"src":{"doc":"nRF52840-QIAA datasheet","page":580,"quote":"151. Low frequency I/O is a signal with a frequency up to 10 kHz.","method":"text","fragment":"ratings_pins.json"},"via":"chip u1 P0.03","value":"standard drive, low-frequency I/O only (≤ 10 kHz) — near the radio","category":"characteristic","parameter":"Recommended drive"}]},"entity_type":"pin"},{"id":"D2","attrs":{"edge":"left","kind":"gpio","label":"D2","number":"B11","chip_pin":"P0.28","position":"L3","connector":"castellated_edge","designator":"D2","castellated":true,"description":"GPIO, AIN4","power_domain":"VDD"},"sources":[{"page":4,"quote":"| D2 | Analog | P0.28 | GPIO, AIN4 | 2 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"}],"attr_src":{"edge":{"page":4,"quote":"| D2 | Analog | P0.28 | GPIO, AIN4 | 2 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"kind":{"page":4,"quote":"| D2 | Analog | P0.28 | GPIO, AIN4 | 2 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"label":{"page":4,"quote":"| D2 | Analog | P0.28 | GPIO, AIN4 | 2 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"number":{"via":"chip u1 P0.28","method":"chip_link"},"chip_pin":{"page":4,"quote":"| D2 | Analog | P0.28 | GPIO, AIN4 | 2 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"position":{"page":4,"quote":"| D2 | Analog | P0.28 | GPIO, AIN4 | 2 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"connector":{"page":4,"quote":"| D2 | Analog | P0.28 | GPIO, AIN4 | 2 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"designator":{"page":4,"quote":"| D2 | Analog | P0.28 | GPIO, AIN4 | 2 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"castellated":{"page":4,"quote":"| D2 | Analog | P0.28 | GPIO, AIN4 | 2 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"description":{"page":4,"quote":"| D2 | Analog | P0.28 | GPIO, AIN4 | 2 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"power_domain":{"via":"chip u1 P0.28","method":"chip_link"}},"chip_pin":{"pin":"P0.28","method":"rule","chip_id":"u1"},"functions":[{"src":{"page":4,"quote":"| D2 | Analog | P0.28 | GPIO, AIN4 | 2 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"D2","category":"gpio"},{"src":{"page":4,"quote":"| D2 | Analog | P0.28 | GPIO, AIN4 | 2 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"P0.28","category":"gpio"},{"src":{"page":4,"quote":"| D2 | Analog | P0.28 | GPIO, AIN4 | 2 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"PWM","category":"pwm"},{"src":{"page":4,"quote":"| D2 | Analog | P0.28 | GPIO, AIN4 | 2 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"Analog","category":"adc"},{"src":{"page":4,"quote":"| D2 | Analog | P0.28 | GPIO, AIN4 | 2 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"AIN4","category":"adc"},{"src":{"page":578,"quote":"B11 P0.28 Digital I/O General purpose I/O Standard drive, low frequency I/O","method":"text","fragment":"functions_aqfn73.json"},"via":"chip u1 P0.28","signal":"any digital peripheral via PSEL (UART/SPI/TWI/PWM/QDEC/I2S/PDM)","category":"pin_select"}],"electrical":{"ioh":[{"max":0.004,"min":0.001,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"I_{OH,SD} Current at VDD-0.4 V, output set high, standard drive, VDD 1 2 4 mA","method":"text","fragment":"ratings_pins.json"},"typ":0.002,"via":"chip u1 P0.28","orig":{"max":4,"min":1,"typ":2,"unit":"mA"},"unit":"A","category":"characteristic","parameter":"Current at VDD−0.4 V, output high, standard drive","conditions":"VDD=3.3V"}],"iol":[{"max":0.004,"min":0.001,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"I_{OL,SD} Current at VSS+0.4 V, output set low, standard drive, VDD ≥ 1 2 4 mA","method":"text","fragment":"ratings_pins.json"},"typ":0.002,"via":"chip u1 P0.28","orig":{"max":4,"min":1,"typ":2,"unit":"mA"},"unit":"A","category":"characteristic","parameter":"Current at VSS+0.4 V, output low, standard drive","conditions":"VDD=3.3V"}],"vih":[{"max":3.3,"min":2.31,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{IH} Input high voltage 0.7 x VDD V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.28","unit":"V","category":"characteristic","parameter":"Input high voltage","conditions":"VDD=3.3V; min = 0.7 × VDD, max = VDD"}],"vil":[{"max":0.99,"min":0,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{IL} Input low voltage VSS 0.3 x V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.28","unit":"V","category":"characteristic","parameter":"Input low voltage","conditions":"VDD=3.3V; max = 0.3 × VDD"}],"voh":[{"max":3.3,"min":2.9,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{OH,SD} Output high voltage, standard drive, 0.5 mA, VDD ≥ 1.7 VDD - 0.4 VDD V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.28","unit":"V","category":"characteristic","parameter":"Output high voltage, standard drive 0.5 mA","conditions":"VDD=3.3V; VDD − 0.4 V"}],"vol":[{"max":0.4,"min":0,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{OL,SD} Output low voltage, standard drive, 0.5 mA, VDD ≥ 1.7 VSS VSS + 0.4 V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.28","unit":"V","category":"characteristic","parameter":"Output low voltage, standard drive 0.5 mA","conditions":"VDD=3.3V"}],"pull_up":[{"max":16000,"min":11000,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"R_{PU} Pull-up resistance 11 13 16 kΩ","method":"text","fragment":"ratings_pins.json"},"typ":13000,"via":"chip u1 P0.28","orig":{"max":16,"min":11,"typ":13,"unit":"kΩ"},"unit":"ohm","category":"characteristic","parameter":"Pull-up resistance"}],"pull_down":[{"max":16000,"min":11000,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"R_{PD} Pull-down resistance 11 13 16 kΩ","method":"text","fragment":"ratings_pins.json"},"typ":13000,"via":"chip u1 P0.28","orig":{"max":16,"min":11,"typ":13,"unit":"kΩ"},"unit":"ohm","category":"characteristic","parameter":"Pull-down resistance"}],"io_voltage":[{"src":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"U6 SGM2040-3.3YUDH4G/TR pin 1 net 3V3","method":"derived","fragment":"ratings_board.json"},"via":"group:io","unit":"V","value":3.3,"category":"operating","parameter":"GPIO level (nRF52840 VDD = 3V3 LDO)"}],"abs_max_voltage":[{"max":3.6,"min":-0.3,"src":{"doc":"nRF52840-QIAA datasheet","page":623,"quote":"V_{I/O} , VDD ≤3.6 V -0.3 VDD + 0.3 V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.28","unit":"V","category":"absolute_max","parameter":"I/O pin voltage (VDD ≤ 3.6 V)","conditions":"VDD=3.3V; max = VDD + 0.3 V"}],"input_capacitance":[{"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"C_{PAD} Pad capacitance 3 pF","method":"text","fragment":"ratings_pins.json"},"typ":0,"via":"chip u1 P0.28","orig":{"typ":3,"unit":"pF"},"unit":"F","category":"characteristic","parameter":"Pad capacitance"}],"five_volt_tolerant":[{"src":{"doc":"nRF52840-QIAA datasheet","page":623,"quote":"V_{I/O} , VDD ≤3.6 V -0.3 VDD + 0.3 V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.28","value":false,"category":"absolute_max","parameter":"5 V tolerant","conditions":"VDD=3.3V; I/O max = VDD + 0.3 V"}],"drive_recommendation":[{"src":{"doc":"nRF52840-QIAA datasheet","page":580,"quote":"151. Low frequency I/O is a signal with a frequency up to 10 kHz.","method":"text","fragment":"ratings_pins.json"},"via":"chip u1 P0.28","value":"standard drive, low-frequency I/O only (≤ 10 kHz) — near the radio","category":"characteristic","parameter":"Recommended drive"}]},"entity_type":"pin"},{"id":"D3","attrs":{"edge":"left","kind":"gpio","label":"D3","number":"A10","chip_pin":"P0.29","position":"L4","connector":"castellated_edge","designator":"D3","castellated":true,"description":"GPIO, AIN5","power_domain":"VDD"},"sources":[{"page":4,"quote":"| D3 | Analog | P0.29 | GPIO, AIN5 | 3 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"}],"attr_src":{"edge":{"page":4,"quote":"| D3 | Analog | P0.29 | GPIO, AIN5 | 3 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"kind":{"page":4,"quote":"| D3 | Analog | P0.29 | GPIO, AIN5 | 3 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"label":{"page":4,"quote":"| D3 | Analog | P0.29 | GPIO, AIN5 | 3 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"number":{"via":"chip u1 P0.29","method":"chip_link"},"chip_pin":{"page":4,"quote":"| D3 | Analog | P0.29 | GPIO, AIN5 | 3 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"position":{"page":4,"quote":"| D3 | Analog | P0.29 | GPIO, AIN5 | 3 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"connector":{"page":4,"quote":"| D3 | Analog | P0.29 | GPIO, AIN5 | 3 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"designator":{"page":4,"quote":"| D3 | Analog | P0.29 | GPIO, AIN5 | 3 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"castellated":{"page":4,"quote":"| D3 | Analog | P0.29 | GPIO, AIN5 | 3 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"description":{"page":4,"quote":"| D3 | Analog | P0.29 | GPIO, AIN5 | 3 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"power_domain":{"via":"chip u1 P0.29","method":"chip_link"}},"chip_pin":{"pin":"P0.29","method":"rule","chip_id":"u1"},"functions":[{"src":{"page":4,"quote":"| D3 | Analog | P0.29 | GPIO, AIN5 | 3 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"D3","category":"gpio"},{"src":{"page":4,"quote":"| D3 | Analog | P0.29 | GPIO, AIN5 | 3 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"P0.29","category":"gpio"},{"src":{"page":4,"quote":"| D3 | Analog | P0.29 | GPIO, AIN5 | 3 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"PWM","category":"pwm"},{"src":{"page":4,"quote":"| D3 | Analog | P0.29 | GPIO, AIN5 | 3 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"Analog","category":"adc"},{"src":{"page":4,"quote":"| D3 | Analog | P0.29 | GPIO, AIN5 | 3 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"AIN5","category":"adc"},{"src":{"page":578,"quote":"A10 P0.29 Digital I/O General purpose I/O Standard drive, low frequency I/O","method":"text","fragment":"functions_aqfn73.json"},"via":"chip u1 P0.29","signal":"any digital peripheral via PSEL (UART/SPI/TWI/PWM/QDEC/I2S/PDM)","category":"pin_select"}],"electrical":{"ioh":[{"max":0.004,"min":0.001,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"I_{OH,SD} Current at VDD-0.4 V, output set high, standard drive, VDD 1 2 4 mA","method":"text","fragment":"ratings_pins.json"},"typ":0.002,"via":"chip u1 P0.29","orig":{"max":4,"min":1,"typ":2,"unit":"mA"},"unit":"A","category":"characteristic","parameter":"Current at VDD−0.4 V, output high, standard drive","conditions":"VDD=3.3V"}],"iol":[{"max":0.004,"min":0.001,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"I_{OL,SD} Current at VSS+0.4 V, output set low, standard drive, VDD ≥ 1 2 4 mA","method":"text","fragment":"ratings_pins.json"},"typ":0.002,"via":"chip u1 P0.29","orig":{"max":4,"min":1,"typ":2,"unit":"mA"},"unit":"A","category":"characteristic","parameter":"Current at VSS+0.4 V, output low, standard drive","conditions":"VDD=3.3V"}],"vih":[{"max":3.3,"min":2.31,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{IH} Input high voltage 0.7 x VDD V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.29","unit":"V","category":"characteristic","parameter":"Input high voltage","conditions":"VDD=3.3V; min = 0.7 × VDD, max = VDD"}],"vil":[{"max":0.99,"min":0,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{IL} Input low voltage VSS 0.3 x V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.29","unit":"V","category":"characteristic","parameter":"Input low voltage","conditions":"VDD=3.3V; max = 0.3 × VDD"}],"voh":[{"max":3.3,"min":2.9,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{OH,SD} Output high voltage, standard drive, 0.5 mA, VDD ≥ 1.7 VDD - 0.4 VDD V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.29","unit":"V","category":"characteristic","parameter":"Output high voltage, standard drive 0.5 mA","conditions":"VDD=3.3V; VDD − 0.4 V"}],"vol":[{"max":0.4,"min":0,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{OL,SD} Output low voltage, standard drive, 0.5 mA, VDD ≥ 1.7 VSS VSS + 0.4 V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.29","unit":"V","category":"characteristic","parameter":"Output low voltage, standard drive 0.5 mA","conditions":"VDD=3.3V"}],"pull_up":[{"max":16000,"min":11000,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"R_{PU} Pull-up resistance 11 13 16 kΩ","method":"text","fragment":"ratings_pins.json"},"typ":13000,"via":"chip u1 P0.29","orig":{"max":16,"min":11,"typ":13,"unit":"kΩ"},"unit":"ohm","category":"characteristic","parameter":"Pull-up resistance"}],"pull_down":[{"max":16000,"min":11000,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"R_{PD} Pull-down resistance 11 13 16 kΩ","method":"text","fragment":"ratings_pins.json"},"typ":13000,"via":"chip u1 P0.29","orig":{"max":16,"min":11,"typ":13,"unit":"kΩ"},"unit":"ohm","category":"characteristic","parameter":"Pull-down resistance"}],"io_voltage":[{"src":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"U6 SGM2040-3.3YUDH4G/TR pin 1 net 3V3","method":"derived","fragment":"ratings_board.json"},"via":"group:io","unit":"V","value":3.3,"category":"operating","parameter":"GPIO level (nRF52840 VDD = 3V3 LDO)"}],"abs_max_voltage":[{"max":3.6,"min":-0.3,"src":{"doc":"nRF52840-QIAA datasheet","page":623,"quote":"V_{I/O} , VDD ≤3.6 V -0.3 VDD + 0.3 V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.29","unit":"V","category":"absolute_max","parameter":"I/O pin voltage (VDD ≤ 3.6 V)","conditions":"VDD=3.3V; max = VDD + 0.3 V"}],"input_capacitance":[{"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"C_{PAD} Pad capacitance 3 pF","method":"text","fragment":"ratings_pins.json"},"typ":0,"via":"chip u1 P0.29","orig":{"typ":3,"unit":"pF"},"unit":"F","category":"characteristic","parameter":"Pad capacitance"}],"five_volt_tolerant":[{"src":{"doc":"nRF52840-QIAA datasheet","page":623,"quote":"V_{I/O} , VDD ≤3.6 V -0.3 VDD + 0.3 V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.29","value":false,"category":"absolute_max","parameter":"5 V tolerant","conditions":"VDD=3.3V; I/O max = VDD + 0.3 V"}],"drive_recommendation":[{"src":{"doc":"nRF52840-QIAA datasheet","page":580,"quote":"151. Low frequency I/O is a signal with a frequency up to 10 kHz.","method":"text","fragment":"ratings_pins.json"},"via":"chip u1 P0.29","value":"standard drive, low-frequency I/O only (≤ 10 kHz) — near the radio","category":"characteristic","parameter":"Recommended drive"}]},"entity_type":"pin"},{"id":"D4","attrs":{"edge":"left","kind":"gpio","label":"D4","number":"J1","chip_pin":"P0.04","position":"L5","connector":"castellated_edge","designator":"D4","castellated":true,"description":"GPIO, I2C Data, AIN2","power_domain":"VDD"},"sources":[{"page":4,"quote":"| D4 | Analog, SDA | P0.04 | GPIO, I2C Data, AIN2 | 4 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"}],"attr_src":{"edge":{"page":4,"quote":"| D4 | Analog, SDA | P0.04 | GPIO, I2C Data, AIN2 | 4 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"kind":{"page":4,"quote":"| D4 | Analog, SDA | P0.04 | GPIO, I2C Data, AIN2 | 4 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"label":{"page":4,"quote":"| D4 | Analog, SDA | P0.04 | GPIO, I2C Data, AIN2 | 4 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"number":{"via":"chip u1 P0.04","method":"chip_link"},"chip_pin":{"page":4,"quote":"| D4 | Analog, SDA | P0.04 | GPIO, I2C Data, AIN2 | 4 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"position":{"page":4,"quote":"| D4 | Analog, SDA | P0.04 | GPIO, I2C Data, AIN2 | 4 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"connector":{"page":4,"quote":"| D4 | Analog, SDA | P0.04 | GPIO, I2C Data, AIN2 | 4 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"designator":{"page":4,"quote":"| D4 | Analog, SDA | P0.04 | GPIO, I2C Data, AIN2 | 4 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"castellated":{"page":4,"quote":"| D4 | Analog, SDA | P0.04 | GPIO, I2C Data, AIN2 | 4 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"description":{"page":4,"quote":"| D4 | Analog, SDA | P0.04 | GPIO, I2C Data, AIN2 | 4 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"power_domain":{"via":"chip u1 P0.04","method":"chip_link"}},"chip_pin":{"pin":"P0.04","method":"rule","chip_id":"u1"},"functions":[{"src":{"page":4,"quote":"| D4 | Analog, SDA | P0.04 | GPIO, I2C Data, AIN2 | 4 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"D4","category":"gpio"},{"src":{"page":4,"quote":"| D4 | Analog, SDA | P0.04 | GPIO, I2C Data, AIN2 | 4 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"P0.04","category":"gpio"},{"src":{"page":4,"quote":"| D4 | Analog, SDA | P0.04 | GPIO, I2C Data, AIN2 | 4 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"PWM","category":"pwm"},{"src":{"page":4,"quote":"| D4 | Analog, SDA | P0.04 | GPIO, I2C Data, AIN2 | 4 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"Analog","category":"adc"},{"src":{"page":4,"quote":"| D4 | Analog, SDA | P0.04 | GPIO, I2C Data, AIN2 | 4 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"SDA","category":"i2c"},{"src":{"page":4,"quote":"| D4 | Analog, SDA | P0.04 | GPIO, I2C Data, AIN2 | 4 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"AIN2","category":"adc"},{"src":{"page":578,"quote":"J1 P0.04 Digital I/O General purpose I/O","method":"text","fragment":"functions_aqfn73.json"},"via":"chip u1 P0.04","signal":"any digital peripheral via PSEL (UART/SPI/TWI/PWM/QDEC/I2S/PDM)","category":"pin_select"}],"electrical":{"ioh":[{"max":0.004,"min":0.001,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"I_{OH,SD} Current at VDD-0.4 V, output set high, standard drive, VDD 1 2 4 mA","method":"text","fragment":"ratings_pins.json"},"typ":0.002,"via":"chip u1 P0.04","orig":{"max":4,"min":1,"typ":2,"unit":"mA"},"unit":"A","category":"characteristic","parameter":"Current at VDD−0.4 V, output high, standard drive","conditions":"VDD=3.3V"}],"iol":[{"max":0.004,"min":0.001,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"I_{OL,SD} Current at VSS+0.4 V, output set low, standard drive, VDD ≥ 1 2 4 mA","method":"text","fragment":"ratings_pins.json"},"typ":0.002,"via":"chip u1 P0.04","orig":{"max":4,"min":1,"typ":2,"unit":"mA"},"unit":"A","category":"characteristic","parameter":"Current at VSS+0.4 V, output low, standard drive","conditions":"VDD=3.3V"}],"vih":[{"max":3.3,"min":2.31,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{IH} Input high voltage 0.7 x VDD V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.04","unit":"V","category":"characteristic","parameter":"Input high voltage","conditions":"VDD=3.3V; min = 0.7 × VDD, max = VDD"}],"vil":[{"max":0.99,"min":0,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{IL} Input low voltage VSS 0.3 x V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.04","unit":"V","category":"characteristic","parameter":"Input low voltage","conditions":"VDD=3.3V; max = 0.3 × VDD"}],"voh":[{"max":3.3,"min":2.9,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{OH,SD} Output high voltage, standard drive, 0.5 mA, VDD ≥ 1.7 VDD - 0.4 VDD V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.04","unit":"V","category":"characteristic","parameter":"Output high voltage, standard drive 0.5 mA","conditions":"VDD=3.3V; VDD − 0.4 V"}],"vol":[{"max":0.4,"min":0,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{OL,SD} Output low voltage, standard drive, 0.5 mA, VDD ≥ 1.7 VSS VSS + 0.4 V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.04","unit":"V","category":"characteristic","parameter":"Output low voltage, standard drive 0.5 mA","conditions":"VDD=3.3V"}],"pull_up":[{"max":16000,"min":11000,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"R_{PU} Pull-up resistance 11 13 16 kΩ","method":"text","fragment":"ratings_pins.json"},"typ":13000,"via":"chip u1 P0.04","orig":{"max":16,"min":11,"typ":13,"unit":"kΩ"},"unit":"ohm","category":"characteristic","parameter":"Pull-up resistance"}],"pull_down":[{"max":16000,"min":11000,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"R_{PD} Pull-down resistance 11 13 16 kΩ","method":"text","fragment":"ratings_pins.json"},"typ":13000,"via":"chip u1 P0.04","orig":{"max":16,"min":11,"typ":13,"unit":"kΩ"},"unit":"ohm","category":"characteristic","parameter":"Pull-down resistance"}],"io_voltage":[{"src":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"U6 SGM2040-3.3YUDH4G/TR pin 1 net 3V3","method":"derived","fragment":"ratings_board.json"},"via":"group:io","unit":"V","value":3.3,"category":"operating","parameter":"GPIO level (nRF52840 VDD = 3V3 LDO)"}],"ioh_high_drive":[{"max":0.014,"min":0.006,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"I_{OH,HDH} Current at VDD-0.4 V, output set high, high drive, VDD ≥ 2.7 6 9 14 mA","method":"text","fragment":"ratings_pins.json"},"typ":0.009,"via":"chip u1 P0.04","orig":{"max":14,"min":6,"typ":9,"unit":"mA"},"unit":"A","category":"characteristic","parameter":"Current at VDD−0.4 V, output high, high drive","conditions":"VDD=3.3V; VDD ≥ 2.7 V"}],"iol_high_drive":[{"max":0.015,"min":0.006,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"I_{OL,HDH} Current at VSS+0.4 V, output set low, high drive, VDD ≥ 2.7 V 6 10 15 mA","method":"text","fragment":"ratings_pins.json"},"typ":0.01,"via":"chip u1 P0.04","orig":{"max":15,"min":6,"typ":10,"unit":"mA"},"unit":"A","category":"characteristic","parameter":"Current at VSS+0.4 V, output low, high drive","conditions":"VDD=3.3V; VDD ≥ 2.7 V"}],"voh_high_drive":[{"min":2.9,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{OH,HDH} Output high voltage, high drive, 5 mA, VDD ≥ 2.7 V VDD - 0.4 VDD V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.04","unit":"V","category":"characteristic","parameter":"Output high voltage, high drive 5 mA","conditions":"VDD=3.3V; VDD ≥ 2.7 V"}],"abs_max_voltage":[{"max":3.6,"min":-0.3,"src":{"doc":"nRF52840-QIAA datasheet","page":623,"quote":"V_{I/O} , VDD ≤3.6 V -0.3 VDD + 0.3 V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.04","unit":"V","category":"absolute_max","parameter":"I/O pin voltage (VDD ≤ 3.6 V)","conditions":"VDD=3.3V; max = VDD + 0.3 V"}],"input_capacitance":[{"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"C_{PAD} Pad capacitance 3 pF","method":"text","fragment":"ratings_pins.json"},"typ":0,"via":"chip u1 P0.04","orig":{"typ":3,"unit":"pF"},"unit":"F","category":"characteristic","parameter":"Pad capacitance"}],"five_volt_tolerant":[{"src":{"doc":"nRF52840-QIAA datasheet","page":623,"quote":"V_{I/O} , VDD ≤3.6 V -0.3 VDD + 0.3 V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.04","value":false,"category":"absolute_max","parameter":"5 V tolerant","conditions":"VDD=3.3V; I/O max = VDD + 0.3 V"}]},"entity_type":"pin"},{"id":"D5","attrs":{"edge":"left","kind":"gpio","label":"D5","number":"K2","chip_pin":"P0.05","position":"L6","connector":"castellated_edge","designator":"D5","castellated":true,"description":"GPIO, I2C Clock, AIN3","power_domain":"VDD"},"sources":[{"page":4,"quote":"| D5 | Analog, SCL | P0.05 | GPIO, I2C Clock, AIN3 | 5 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"}],"attr_src":{"edge":{"page":4,"quote":"| D5 | Analog, SCL | P0.05 | GPIO, I2C Clock, AIN3 | 5 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"kind":{"page":4,"quote":"| D5 | Analog, SCL | P0.05 | GPIO, I2C Clock, AIN3 | 5 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"label":{"page":4,"quote":"| D5 | Analog, SCL | P0.05 | GPIO, I2C Clock, AIN3 | 5 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"number":{"via":"chip u1 P0.05","method":"chip_link"},"chip_pin":{"page":4,"quote":"| D5 | Analog, SCL | P0.05 | GPIO, I2C Clock, AIN3 | 5 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"position":{"page":4,"quote":"| D5 | Analog, SCL | P0.05 | GPIO, I2C Clock, AIN3 | 5 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"connector":{"page":4,"quote":"| D5 | Analog, SCL | P0.05 | GPIO, I2C Clock, AIN3 | 5 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"designator":{"page":4,"quote":"| D5 | Analog, SCL | P0.05 | GPIO, I2C Clock, AIN3 | 5 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"castellated":{"page":4,"quote":"| D5 | Analog, SCL | P0.05 | GPIO, I2C Clock, AIN3 | 5 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"description":{"page":4,"quote":"| D5 | Analog, SCL | P0.05 | GPIO, I2C Clock, AIN3 | 5 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"power_domain":{"via":"chip u1 P0.05","method":"chip_link"}},"chip_pin":{"pin":"P0.05","method":"rule","chip_id":"u1"},"functions":[{"src":{"page":4,"quote":"| D5 | Analog, SCL | P0.05 | GPIO, I2C Clock, AIN3 | 5 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"D5","category":"gpio"},{"src":{"page":4,"quote":"| D5 | Analog, SCL | P0.05 | GPIO, I2C Clock, AIN3 | 5 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"P0.05","category":"gpio"},{"src":{"page":4,"quote":"| D5 | Analog, SCL | P0.05 | GPIO, I2C Clock, AIN3 | 5 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"PWM","category":"pwm"},{"src":{"page":4,"quote":"| D5 | Analog, SCL | P0.05 | GPIO, I2C Clock, AIN3 | 5 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"Analog","category":"adc"},{"src":{"page":4,"quote":"| D5 | Analog, SCL | P0.05 | GPIO, I2C Clock, AIN3 | 5 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"SCL","category":"i2c"},{"src":{"page":4,"quote":"| D5 | Analog, SCL | P0.05 | GPIO, I2C Clock, AIN3 | 5 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"AIN3","category":"adc"},{"src":{"page":579,"quote":"K2 P0.05 Digital I/O General purpose I/O","method":"text","fragment":"functions_aqfn73.json"},"via":"chip u1 P0.05","signal":"any digital peripheral via PSEL (UART/SPI/TWI/PWM/QDEC/I2S/PDM)","category":"pin_select"}],"electrical":{"ioh":[{"max":0.004,"min":0.001,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"I_{OH,SD} Current at VDD-0.4 V, output set high, standard drive, VDD 1 2 4 mA","method":"text","fragment":"ratings_pins.json"},"typ":0.002,"via":"chip u1 P0.05","orig":{"max":4,"min":1,"typ":2,"unit":"mA"},"unit":"A","category":"characteristic","parameter":"Current at VDD−0.4 V, output high, standard drive","conditions":"VDD=3.3V"}],"iol":[{"max":0.004,"min":0.001,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"I_{OL,SD} Current at VSS+0.4 V, output set low, standard drive, VDD ≥ 1 2 4 mA","method":"text","fragment":"ratings_pins.json"},"typ":0.002,"via":"chip u1 P0.05","orig":{"max":4,"min":1,"typ":2,"unit":"mA"},"unit":"A","category":"characteristic","parameter":"Current at VSS+0.4 V, output low, standard drive","conditions":"VDD=3.3V"}],"vih":[{"max":3.3,"min":2.31,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{IH} Input high voltage 0.7 x VDD V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.05","unit":"V","category":"characteristic","parameter":"Input high voltage","conditions":"VDD=3.3V; min = 0.7 × VDD, max = VDD"}],"vil":[{"max":0.99,"min":0,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{IL} Input low voltage VSS 0.3 x V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.05","unit":"V","category":"characteristic","parameter":"Input low voltage","conditions":"VDD=3.3V; max = 0.3 × VDD"}],"voh":[{"max":3.3,"min":2.9,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{OH,SD} Output high voltage, standard drive, 0.5 mA, VDD ≥ 1.7 VDD - 0.4 VDD V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.05","unit":"V","category":"characteristic","parameter":"Output high voltage, standard drive 0.5 mA","conditions":"VDD=3.3V; VDD − 0.4 V"}],"vol":[{"max":0.4,"min":0,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{OL,SD} Output low voltage, standard drive, 0.5 mA, VDD ≥ 1.7 VSS VSS + 0.4 V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.05","unit":"V","category":"characteristic","parameter":"Output low voltage, standard drive 0.5 mA","conditions":"VDD=3.3V"}],"pull_up":[{"max":16000,"min":11000,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"R_{PU} Pull-up resistance 11 13 16 kΩ","method":"text","fragment":"ratings_pins.json"},"typ":13000,"via":"chip u1 P0.05","orig":{"max":16,"min":11,"typ":13,"unit":"kΩ"},"unit":"ohm","category":"characteristic","parameter":"Pull-up resistance"}],"pull_down":[{"max":16000,"min":11000,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"R_{PD} Pull-down resistance 11 13 16 kΩ","method":"text","fragment":"ratings_pins.json"},"typ":13000,"via":"chip u1 P0.05","orig":{"max":16,"min":11,"typ":13,"unit":"kΩ"},"unit":"ohm","category":"characteristic","parameter":"Pull-down resistance"}],"io_voltage":[{"src":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"U6 SGM2040-3.3YUDH4G/TR pin 1 net 3V3","method":"derived","fragment":"ratings_board.json"},"via":"group:io","unit":"V","value":3.3,"category":"operating","parameter":"GPIO level (nRF52840 VDD = 3V3 LDO)"}],"ioh_high_drive":[{"max":0.014,"min":0.006,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"I_{OH,HDH} Current at VDD-0.4 V, output set high, high drive, VDD ≥ 2.7 6 9 14 mA","method":"text","fragment":"ratings_pins.json"},"typ":0.009,"via":"chip u1 P0.05","orig":{"max":14,"min":6,"typ":9,"unit":"mA"},"unit":"A","category":"characteristic","parameter":"Current at VDD−0.4 V, output high, high drive","conditions":"VDD=3.3V; VDD ≥ 2.7 V"}],"iol_high_drive":[{"max":0.015,"min":0.006,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"I_{OL,HDH} Current at VSS+0.4 V, output set low, high drive, VDD ≥ 2.7 V 6 10 15 mA","method":"text","fragment":"ratings_pins.json"},"typ":0.01,"via":"chip u1 P0.05","orig":{"max":15,"min":6,"typ":10,"unit":"mA"},"unit":"A","category":"characteristic","parameter":"Current at VSS+0.4 V, output low, high drive","conditions":"VDD=3.3V; VDD ≥ 2.7 V"}],"voh_high_drive":[{"min":2.9,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{OH,HDH} Output high voltage, high drive, 5 mA, VDD ≥ 2.7 V VDD - 0.4 VDD V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.05","unit":"V","category":"characteristic","parameter":"Output high voltage, high drive 5 mA","conditions":"VDD=3.3V; VDD ≥ 2.7 V"}],"abs_max_voltage":[{"max":3.6,"min":-0.3,"src":{"doc":"nRF52840-QIAA datasheet","page":623,"quote":"V_{I/O} , VDD ≤3.6 V -0.3 VDD + 0.3 V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.05","unit":"V","category":"absolute_max","parameter":"I/O pin voltage (VDD ≤ 3.6 V)","conditions":"VDD=3.3V; max = VDD + 0.3 V"}],"input_capacitance":[{"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"C_{PAD} Pad capacitance 3 pF","method":"text","fragment":"ratings_pins.json"},"typ":0,"via":"chip u1 P0.05","orig":{"typ":3,"unit":"pF"},"unit":"F","category":"characteristic","parameter":"Pad capacitance"}],"five_volt_tolerant":[{"src":{"doc":"nRF52840-QIAA datasheet","page":623,"quote":"V_{I/O} , VDD ≤3.6 V -0.3 VDD + 0.3 V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.05","value":false,"category":"absolute_max","parameter":"5 V tolerant","conditions":"VDD=3.3V; I/O max = VDD + 0.3 V"}]},"entity_type":"pin"},{"id":"D6","attrs":{"edge":"left","kind":"gpio","label":"D6","number":"B19","chip_pin":"P1.11","position":"L7","connector":"castellated_edge","designator":"D6","castellated":true,"description":"GPIO, UART Transmit","power_domain":"VDD"},"sources":[{"page":4,"quote":"| D6 | TX | P1.11 | GPIO, UART Transmit | 7/6 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"}],"attr_src":{"edge":{"page":4,"quote":"| D6 | TX | P1.11 | GPIO, UART Transmit | 7/6 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"kind":{"page":4,"quote":"| D6 | TX | P1.11 | GPIO, UART Transmit | 7/6 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"label":{"page":4,"quote":"| D6 | TX | P1.11 | GPIO, UART Transmit | 7/6 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"number":{"via":"chip u1 P1.11","method":"chip_link"},"chip_pin":{"page":4,"quote":"| D6 | TX | P1.11 | GPIO, UART Transmit | 7/6 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"position":{"page":4,"quote":"| D6 | TX | P1.11 | GPIO, UART Transmit | 7/6 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"connector":{"page":4,"quote":"| D6 | TX | P1.11 | GPIO, UART Transmit | 7/6 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"designator":{"page":4,"quote":"| D6 | TX | P1.11 | GPIO, UART Transmit | 7/6 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"castellated":{"page":4,"quote":"| D6 | TX | P1.11 | GPIO, UART Transmit | 7/6 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"description":{"page":4,"quote":"| D6 | TX | P1.11 | GPIO, UART Transmit | 7/6 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"power_domain":{"via":"chip u1 P1.11","method":"chip_link"}},"chip_pin":{"pin":"P1.11","method":"rule","chip_id":"u1"},"functions":[{"src":{"page":4,"quote":"| D6 | TX | P1.11 | GPIO, UART Transmit | 7/6 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"D6","category":"gpio"},{"src":{"page":4,"quote":"| D6 | TX | P1.11 | GPIO, UART Transmit | 7/6 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"P1.11","category":"gpio"},{"src":{"page":4,"quote":"| D6 | TX | P1.11 | GPIO, UART Transmit | 7/6 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"PWM","category":"pwm"},{"src":{"page":4,"quote":"| D6 | TX | P1.11 | GPIO, UART Transmit | 7/6 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"TX","category":"uart"},{"src":{"page":578,"quote":"B19 P1.11 Digital I/O General purpose I/O Standard drive, low frequency I/O","method":"text","fragment":"functions_aqfn73.json"},"via":"chip u1 P1.11","signal":"any digital peripheral via PSEL (UART/SPI/TWI/PWM/QDEC/I2S/PDM)","category":"pin_select"}],"electrical":{"ioh":[{"max":0.004,"min":0.001,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"I_{OH,SD} Current at VDD-0.4 V, output set high, standard drive, VDD 1 2 4 mA","method":"text","fragment":"ratings_pins.json"},"typ":0.002,"via":"chip u1 P1.11","orig":{"max":4,"min":1,"typ":2,"unit":"mA"},"unit":"A","category":"characteristic","parameter":"Current at VDD−0.4 V, output high, standard drive","conditions":"VDD=3.3V"}],"iol":[{"max":0.004,"min":0.001,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"I_{OL,SD} Current at VSS+0.4 V, output set low, standard drive, VDD ≥ 1 2 4 mA","method":"text","fragment":"ratings_pins.json"},"typ":0.002,"via":"chip u1 P1.11","orig":{"max":4,"min":1,"typ":2,"unit":"mA"},"unit":"A","category":"characteristic","parameter":"Current at VSS+0.4 V, output low, standard drive","conditions":"VDD=3.3V"}],"vih":[{"max":3.3,"min":2.31,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{IH} Input high voltage 0.7 x VDD V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P1.11","unit":"V","category":"characteristic","parameter":"Input high voltage","conditions":"VDD=3.3V; min = 0.7 × VDD, max = VDD"}],"vil":[{"max":0.99,"min":0,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{IL} Input low voltage VSS 0.3 x V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P1.11","unit":"V","category":"characteristic","parameter":"Input low voltage","conditions":"VDD=3.3V; max = 0.3 × VDD"}],"voh":[{"max":3.3,"min":2.9,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{OH,SD} Output high voltage, standard drive, 0.5 mA, VDD ≥ 1.7 VDD - 0.4 VDD V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P1.11","unit":"V","category":"characteristic","parameter":"Output high voltage, standard drive 0.5 mA","conditions":"VDD=3.3V; VDD − 0.4 V"}],"vol":[{"max":0.4,"min":0,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{OL,SD} Output low voltage, standard drive, 0.5 mA, VDD ≥ 1.7 VSS VSS + 0.4 V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P1.11","unit":"V","category":"characteristic","parameter":"Output low voltage, standard drive 0.5 mA","conditions":"VDD=3.3V"}],"pull_up":[{"max":16000,"min":11000,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"R_{PU} Pull-up resistance 11 13 16 kΩ","method":"text","fragment":"ratings_pins.json"},"typ":13000,"via":"chip u1 P1.11","orig":{"max":16,"min":11,"typ":13,"unit":"kΩ"},"unit":"ohm","category":"characteristic","parameter":"Pull-up resistance"}],"pull_down":[{"max":16000,"min":11000,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"R_{PD} Pull-down resistance 11 13 16 kΩ","method":"text","fragment":"ratings_pins.json"},"typ":13000,"via":"chip u1 P1.11","orig":{"max":16,"min":11,"typ":13,"unit":"kΩ"},"unit":"ohm","category":"characteristic","parameter":"Pull-down resistance"}],"io_voltage":[{"src":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"U6 SGM2040-3.3YUDH4G/TR pin 1 net 3V3","method":"derived","fragment":"ratings_board.json"},"via":"group:io","unit":"V","value":3.3,"category":"operating","parameter":"GPIO level (nRF52840 VDD = 3V3 LDO)"}],"abs_max_voltage":[{"max":3.6,"min":-0.3,"src":{"doc":"nRF52840-QIAA datasheet","page":623,"quote":"V_{I/O} , VDD ≤3.6 V -0.3 VDD + 0.3 V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P1.11","unit":"V","category":"absolute_max","parameter":"I/O pin voltage (VDD ≤ 3.6 V)","conditions":"VDD=3.3V; max = VDD + 0.3 V"}],"input_capacitance":[{"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"C_{PAD} Pad capacitance 3 pF","method":"text","fragment":"ratings_pins.json"},"typ":0,"via":"chip u1 P1.11","orig":{"typ":3,"unit":"pF"},"unit":"F","category":"characteristic","parameter":"Pad capacitance"}],"five_volt_tolerant":[{"src":{"doc":"nRF52840-QIAA datasheet","page":623,"quote":"V_{I/O} , VDD ≤3.6 V -0.3 VDD + 0.3 V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P1.11","value":false,"category":"absolute_max","parameter":"5 V tolerant","conditions":"VDD=3.3V; I/O max = VDD + 0.3 V"}],"drive_recommendation":[{"src":{"doc":"nRF52840-QIAA datasheet","page":580,"quote":"151. Low frequency I/O is a signal with a frequency up to 10 kHz.","method":"text","fragment":"ratings_pins.json"},"via":"chip u1 P1.11","value":"standard drive, low-frequency I/O only (≤ 10 kHz) — near the radio","category":"characteristic","parameter":"Recommended drive"}]},"entity_type":"pin"},{"id":"5V","attrs":{"edge":"right","kind":"power_in","label":"5V","position":"R1","connector":"castellated_edge","designator":"5V","castellated":true,"description":"Power Input/Output"},"sources":[{"page":4,"quote":"| 5V | VBUS |  | Power Input/Output |  |","method":"table","fragment":"entities_pads.json","table_id":"4_3"}],"attr_src":{"edge":{"page":4,"quote":"| 5V | VBUS |  | Power Input/Output |  |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"kind":{"page":4,"quote":"| 5V | VBUS |  | Power Input/Output |  |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"label":{"page":4,"quote":"| 5V | VBUS |  | Power Input/Output |  |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"position":{"page":4,"quote":"| 5V | VBUS |  | Power Input/Output |  |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"connector":{"page":4,"quote":"| 5V | VBUS |  | Power Input/Output |  |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"designator":{"page":4,"quote":"| 5V | VBUS |  | Power Input/Output |  |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"castellated":{"page":4,"quote":"| 5V | VBUS |  | Power Input/Output |  |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"description":{"page":4,"quote":"| 5V | VBUS |  | Power Input/Output |  |","method":"table","fragment":"entities_pads.json","table_id":"4_3"}},"functions":[],"electrical":{"input_voltage":[{"src":{"page":4,"quote":"| 5V | VBUS |  | Power Input/Output |  |","method":"derived","fragment":"ratings_board.json","table_id":"4_3"},"typ":5,"via":"direct","unit":"V","category":"operating","parameter":"5V / VBUS (USB-C)"}]},"entity_type":"pin"},{"id":"GND_edge","attrs":{"edge":"right","kind":"ground","label":"GND","position":"R2","connector":"castellated_edge","designator":"GND_edge","castellated":true},"sources":[{"page":4,"quote":"| GND |  |  |  |  |","method":"table","fragment":"entities_pads.json","table_id":"4_3"}],"attr_src":{"edge":{"page":4,"quote":"| GND |  |  |  |  |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"kind":{"page":4,"quote":"| GND |  |  |  |  |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"label":{"page":4,"quote":"| GND |  |  |  |  |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"position":{"page":4,"quote":"| GND |  |  |  |  |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"connector":{"page":4,"quote":"| GND |  |  |  |  |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"designator":{"page":4,"quote":"| GND |  |  |  |  |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"castellated":{"page":4,"quote":"| GND |  |  |  |  |","method":"table","fragment":"entities_pads.json","table_id":"4_3"}},"functions":[],"electrical":{},"entity_type":"pin"},{"id":"3V3","attrs":{"edge":"right","kind":"power_out","label":"3V3","position":"R3","connector":"castellated_edge","designator":"3V3","castellated":true,"description":"Power Output"},"sources":[{"page":4,"quote":"| 3V3 | 3V3_OUT |  | Power Output |  |","method":"table","fragment":"entities_pads.json","table_id":"4_3"}],"attr_src":{"edge":{"page":4,"quote":"| 3V3 | 3V3_OUT |  | Power Output |  |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"kind":{"page":4,"quote":"| 3V3 | 3V3_OUT |  | Power Output |  |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"label":{"page":4,"quote":"| 3V3 | 3V3_OUT |  | Power Output |  |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"position":{"page":4,"quote":"| 3V3 | 3V3_OUT |  | Power Output |  |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"connector":{"page":4,"quote":"| 3V3 | 3V3_OUT |  | Power Output |  |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"designator":{"page":4,"quote":"| 3V3 | 3V3_OUT |  | Power Output |  |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"castellated":{"page":4,"quote":"| 3V3 | 3V3_OUT |  | Power Output |  |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"description":{"page":4,"quote":"| 3V3 | 3V3_OUT |  | Power Output |  |","method":"table","fragment":"entities_pads.json","table_id":"4_3"}},"functions":[],"electrical":{"output_voltage":[{"src":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"U6 SGM2040-3.3YUDH4G/TR pin 1 net 3V3","method":"derived","fragment":"ratings_board.json"},"typ":3.3,"via":"direct","unit":"V","category":"operating","parameter":"3V3 rail (SGM2040-3.3 LDO)"}]},"entity_type":"pin"},{"id":"D10","attrs":{"edge":"right","kind":"gpio","label":"D10","number":"A14","chip_pin":"P1.15","position":"R4","connector":"castellated_edge","designator":"D10","castellated":true,"description":"GPIO, SPI Data","power_domain":"VDD"},"sources":[{"page":4,"quote":"| D10 | SPI_MOSI | P1.15 | GPIO, SPI Data | 11/10 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"}],"attr_src":{"edge":{"page":4,"quote":"| D10 | SPI_MOSI | P1.15 | GPIO, SPI Data | 11/10 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"kind":{"page":4,"quote":"| D10 | SPI_MOSI | P1.15 | GPIO, SPI Data | 11/10 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"label":{"page":4,"quote":"| D10 | SPI_MOSI | P1.15 | GPIO, SPI Data | 11/10 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"number":{"via":"chip u1 P1.15","method":"chip_link"},"chip_pin":{"page":4,"quote":"| D10 | SPI_MOSI | P1.15 | GPIO, SPI Data | 11/10 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"position":{"page":4,"quote":"| D10 | SPI_MOSI | P1.15 | GPIO, SPI Data | 11/10 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"connector":{"page":4,"quote":"| D10 | SPI_MOSI | P1.15 | GPIO, SPI Data | 11/10 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"designator":{"page":4,"quote":"| D10 | SPI_MOSI | P1.15 | GPIO, SPI Data | 11/10 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"castellated":{"page":4,"quote":"| D10 | SPI_MOSI | P1.15 | GPIO, SPI Data | 11/10 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"description":{"page":4,"quote":"| D10 | SPI_MOSI | P1.15 | GPIO, SPI Data | 11/10 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"power_domain":{"via":"chip u1 P1.15","method":"chip_link"}},"chip_pin":{"pin":"P1.15","method":"rule","chip_id":"u1"},"functions":[{"src":{"page":4,"quote":"| D10 | SPI_MOSI | P1.15 | GPIO, SPI Data | 11/10 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"D10","category":"gpio"},{"src":{"page":4,"quote":"| D10 | SPI_MOSI | P1.15 | GPIO, SPI Data | 11/10 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"P1.15","category":"gpio"},{"src":{"page":4,"quote":"| D10 | SPI_MOSI | P1.15 | GPIO, SPI Data | 11/10 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"PWM","category":"pwm"},{"src":{"page":4,"quote":"| D10 | SPI_MOSI | P1.15 | GPIO, SPI Data | 11/10 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"SPI_MOSI","category":"spi"},{"src":{"page":578,"quote":"A14 P1.15 Digital I/O General purpose I/O Standard drive, low frequency I/O","method":"text","fragment":"functions_aqfn73.json"},"via":"chip u1 P1.15","signal":"any digital peripheral via PSEL (UART/SPI/TWI/PWM/QDEC/I2S/PDM)","category":"pin_select"}],"electrical":{"ioh":[{"max":0.004,"min":0.001,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"I_{OH,SD} Current at VDD-0.4 V, output set high, standard drive, VDD 1 2 4 mA","method":"text","fragment":"ratings_pins.json"},"typ":0.002,"via":"chip u1 P1.15","orig":{"max":4,"min":1,"typ":2,"unit":"mA"},"unit":"A","category":"characteristic","parameter":"Current at VDD−0.4 V, output high, standard drive","conditions":"VDD=3.3V"}],"iol":[{"max":0.004,"min":0.001,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"I_{OL,SD} Current at VSS+0.4 V, output set low, standard drive, VDD ≥ 1 2 4 mA","method":"text","fragment":"ratings_pins.json"},"typ":0.002,"via":"chip u1 P1.15","orig":{"max":4,"min":1,"typ":2,"unit":"mA"},"unit":"A","category":"characteristic","parameter":"Current at VSS+0.4 V, output low, standard drive","conditions":"VDD=3.3V"}],"vih":[{"max":3.3,"min":2.31,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{IH} Input high voltage 0.7 x VDD V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P1.15","unit":"V","category":"characteristic","parameter":"Input high voltage","conditions":"VDD=3.3V; min = 0.7 × VDD, max = VDD"}],"vil":[{"max":0.99,"min":0,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{IL} Input low voltage VSS 0.3 x V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P1.15","unit":"V","category":"characteristic","parameter":"Input low voltage","conditions":"VDD=3.3V; max = 0.3 × VDD"}],"voh":[{"max":3.3,"min":2.9,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{OH,SD} Output high voltage, standard drive, 0.5 mA, VDD ≥ 1.7 VDD - 0.4 VDD V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P1.15","unit":"V","category":"characteristic","parameter":"Output high voltage, standard drive 0.5 mA","conditions":"VDD=3.3V; VDD − 0.4 V"}],"vol":[{"max":0.4,"min":0,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{OL,SD} Output low voltage, standard drive, 0.5 mA, VDD ≥ 1.7 VSS VSS + 0.4 V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P1.15","unit":"V","category":"characteristic","parameter":"Output low voltage, standard drive 0.5 mA","conditions":"VDD=3.3V"}],"pull_up":[{"max":16000,"min":11000,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"R_{PU} Pull-up resistance 11 13 16 kΩ","method":"text","fragment":"ratings_pins.json"},"typ":13000,"via":"chip u1 P1.15","orig":{"max":16,"min":11,"typ":13,"unit":"kΩ"},"unit":"ohm","category":"characteristic","parameter":"Pull-up resistance"}],"pull_down":[{"max":16000,"min":11000,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"R_{PD} Pull-down resistance 11 13 16 kΩ","method":"text","fragment":"ratings_pins.json"},"typ":13000,"via":"chip u1 P1.15","orig":{"max":16,"min":11,"typ":13,"unit":"kΩ"},"unit":"ohm","category":"characteristic","parameter":"Pull-down resistance"}],"io_voltage":[{"src":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"U6 SGM2040-3.3YUDH4G/TR pin 1 net 3V3","method":"derived","fragment":"ratings_board.json"},"via":"group:io","unit":"V","value":3.3,"category":"operating","parameter":"GPIO level (nRF52840 VDD = 3V3 LDO)"}],"abs_max_voltage":[{"max":3.6,"min":-0.3,"src":{"doc":"nRF52840-QIAA datasheet","page":623,"quote":"V_{I/O} , VDD ≤3.6 V -0.3 VDD + 0.3 V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P1.15","unit":"V","category":"absolute_max","parameter":"I/O pin voltage (VDD ≤ 3.6 V)","conditions":"VDD=3.3V; max = VDD + 0.3 V"}],"input_capacitance":[{"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"C_{PAD} Pad capacitance 3 pF","method":"text","fragment":"ratings_pins.json"},"typ":0,"via":"chip u1 P1.15","orig":{"typ":3,"unit":"pF"},"unit":"F","category":"characteristic","parameter":"Pad capacitance"}],"five_volt_tolerant":[{"src":{"doc":"nRF52840-QIAA datasheet","page":623,"quote":"V_{I/O} , VDD ≤3.6 V -0.3 VDD + 0.3 V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P1.15","value":false,"category":"absolute_max","parameter":"5 V tolerant","conditions":"VDD=3.3V; I/O max = VDD + 0.3 V"}],"drive_recommendation":[{"src":{"doc":"nRF52840-QIAA datasheet","page":580,"quote":"151. Low frequency I/O is a signal with a frequency up to 10 kHz.","method":"text","fragment":"ratings_pins.json"},"via":"chip u1 P1.15","value":"standard drive, low-frequency I/O only (≤ 10 kHz) — near the radio","category":"characteristic","parameter":"Recommended drive"}]},"entity_type":"pin"},{"id":"D9","attrs":{"edge":"right","kind":"gpio","label":"D9","number":"B15","chip_pin":"P1.14","position":"R5","connector":"castellated_edge","designator":"D9","castellated":true,"description":"GPIO, SPI Data","power_domain":"VDD"},"sources":[{"page":4,"quote":"| D9 | SPI_MISO | P1.14 | GPIO, SPI Data | 10/9 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"}],"attr_src":{"edge":{"page":4,"quote":"| D9 | SPI_MISO | P1.14 | GPIO, SPI Data | 10/9 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"kind":{"page":4,"quote":"| D9 | SPI_MISO | P1.14 | GPIO, SPI Data | 10/9 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"label":{"page":4,"quote":"| D9 | SPI_MISO | P1.14 | GPIO, SPI Data | 10/9 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"number":{"via":"chip u1 P1.14","method":"chip_link"},"chip_pin":{"page":4,"quote":"| D9 | SPI_MISO | P1.14 | GPIO, SPI Data | 10/9 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"position":{"page":4,"quote":"| D9 | SPI_MISO | P1.14 | GPIO, SPI Data | 10/9 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"connector":{"page":4,"quote":"| D9 | SPI_MISO | P1.14 | GPIO, SPI Data | 10/9 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"designator":{"page":4,"quote":"| D9 | SPI_MISO | P1.14 | GPIO, SPI Data | 10/9 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"castellated":{"page":4,"quote":"| D9 | SPI_MISO | P1.14 | GPIO, SPI Data | 10/9 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"description":{"page":4,"quote":"| D9 | SPI_MISO | P1.14 | GPIO, SPI Data | 10/9 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"power_domain":{"via":"chip u1 P1.14","method":"chip_link"}},"chip_pin":{"pin":"P1.14","method":"rule","chip_id":"u1"},"functions":[{"src":{"page":4,"quote":"| D9 | SPI_MISO | P1.14 | GPIO, SPI Data | 10/9 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"D9","category":"gpio"},{"src":{"page":4,"quote":"| D9 | SPI_MISO | P1.14 | GPIO, SPI Data | 10/9 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"P1.14","category":"gpio"},{"src":{"page":4,"quote":"| D9 | SPI_MISO | P1.14 | GPIO, SPI Data | 10/9 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"PWM","category":"pwm"},{"src":{"page":4,"quote":"| D9 | SPI_MISO | P1.14 | GPIO, SPI Data | 10/9 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"SPI_MISO","category":"spi"},{"src":{"page":578,"quote":"B15 P1.14 Digital I/O General purpose I/O Standard drive, low frequency I/O","method":"text","fragment":"functions_aqfn73.json"},"via":"chip u1 P1.14","signal":"any digital peripheral via PSEL (UART/SPI/TWI/PWM/QDEC/I2S/PDM)","category":"pin_select"}],"electrical":{"ioh":[{"max":0.004,"min":0.001,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"I_{OH,SD} Current at VDD-0.4 V, output set high, standard drive, VDD 1 2 4 mA","method":"text","fragment":"ratings_pins.json"},"typ":0.002,"via":"chip u1 P1.14","orig":{"max":4,"min":1,"typ":2,"unit":"mA"},"unit":"A","category":"characteristic","parameter":"Current at VDD−0.4 V, output high, standard drive","conditions":"VDD=3.3V"}],"iol":[{"max":0.004,"min":0.001,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"I_{OL,SD} Current at VSS+0.4 V, output set low, standard drive, VDD ≥ 1 2 4 mA","method":"text","fragment":"ratings_pins.json"},"typ":0.002,"via":"chip u1 P1.14","orig":{"max":4,"min":1,"typ":2,"unit":"mA"},"unit":"A","category":"characteristic","parameter":"Current at VSS+0.4 V, output low, standard drive","conditions":"VDD=3.3V"}],"vih":[{"max":3.3,"min":2.31,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{IH} Input high voltage 0.7 x VDD V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P1.14","unit":"V","category":"characteristic","parameter":"Input high voltage","conditions":"VDD=3.3V; min = 0.7 × VDD, max = VDD"}],"vil":[{"max":0.99,"min":0,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{IL} Input low voltage VSS 0.3 x V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P1.14","unit":"V","category":"characteristic","parameter":"Input low voltage","conditions":"VDD=3.3V; max = 0.3 × VDD"}],"voh":[{"max":3.3,"min":2.9,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{OH,SD} Output high voltage, standard drive, 0.5 mA, VDD ≥ 1.7 VDD - 0.4 VDD V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P1.14","unit":"V","category":"characteristic","parameter":"Output high voltage, standard drive 0.5 mA","conditions":"VDD=3.3V; VDD − 0.4 V"}],"vol":[{"max":0.4,"min":0,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{OL,SD} Output low voltage, standard drive, 0.5 mA, VDD ≥ 1.7 VSS VSS + 0.4 V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P1.14","unit":"V","category":"characteristic","parameter":"Output low voltage, standard drive 0.5 mA","conditions":"VDD=3.3V"}],"pull_up":[{"max":16000,"min":11000,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"R_{PU} Pull-up resistance 11 13 16 kΩ","method":"text","fragment":"ratings_pins.json"},"typ":13000,"via":"chip u1 P1.14","orig":{"max":16,"min":11,"typ":13,"unit":"kΩ"},"unit":"ohm","category":"characteristic","parameter":"Pull-up resistance"}],"pull_down":[{"max":16000,"min":11000,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"R_{PD} Pull-down resistance 11 13 16 kΩ","method":"text","fragment":"ratings_pins.json"},"typ":13000,"via":"chip u1 P1.14","orig":{"max":16,"min":11,"typ":13,"unit":"kΩ"},"unit":"ohm","category":"characteristic","parameter":"Pull-down resistance"}],"io_voltage":[{"src":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"U6 SGM2040-3.3YUDH4G/TR pin 1 net 3V3","method":"derived","fragment":"ratings_board.json"},"via":"group:io","unit":"V","value":3.3,"category":"operating","parameter":"GPIO level (nRF52840 VDD = 3V3 LDO)"}],"abs_max_voltage":[{"max":3.6,"min":-0.3,"src":{"doc":"nRF52840-QIAA datasheet","page":623,"quote":"V_{I/O} , VDD ≤3.6 V -0.3 VDD + 0.3 V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P1.14","unit":"V","category":"absolute_max","parameter":"I/O pin voltage (VDD ≤ 3.6 V)","conditions":"VDD=3.3V; max = VDD + 0.3 V"}],"input_capacitance":[{"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"C_{PAD} Pad capacitance 3 pF","method":"text","fragment":"ratings_pins.json"},"typ":0,"via":"chip u1 P1.14","orig":{"typ":3,"unit":"pF"},"unit":"F","category":"characteristic","parameter":"Pad capacitance"}],"five_volt_tolerant":[{"src":{"doc":"nRF52840-QIAA datasheet","page":623,"quote":"V_{I/O} , VDD ≤3.6 V -0.3 VDD + 0.3 V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P1.14","value":false,"category":"absolute_max","parameter":"5 V tolerant","conditions":"VDD=3.3V; I/O max = VDD + 0.3 V"}],"drive_recommendation":[{"src":{"doc":"nRF52840-QIAA datasheet","page":580,"quote":"151. Low frequency I/O is a signal with a frequency up to 10 kHz.","method":"text","fragment":"ratings_pins.json"},"via":"chip u1 P1.14","value":"standard drive, low-frequency I/O only (≤ 10 kHz) — near the radio","category":"characteristic","parameter":"Recommended drive"}]},"entity_type":"pin"},{"id":"D8","attrs":{"edge":"right","kind":"gpio","label":"D8","number":"A16","chip_pin":"P1.13","position":"R6","connector":"castellated_edge","designator":"D8","castellated":true,"description":"GPIO, SPI Clock","power_domain":"VDD"},"sources":[{"page":4,"quote":"| D8 | SPI_SCK | P1.13 | GPIO, SPI Clock | 9/8 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"}],"attr_src":{"edge":{"page":4,"quote":"| D8 | SPI_SCK | P1.13 | GPIO, SPI Clock | 9/8 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"kind":{"page":4,"quote":"| D8 | SPI_SCK | P1.13 | GPIO, SPI Clock | 9/8 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"label":{"page":4,"quote":"| D8 | SPI_SCK | P1.13 | GPIO, SPI Clock | 9/8 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"number":{"via":"chip u1 P1.13","method":"chip_link"},"chip_pin":{"page":4,"quote":"| D8 | SPI_SCK | P1.13 | GPIO, SPI Clock | 9/8 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"position":{"page":4,"quote":"| D8 | SPI_SCK | P1.13 | GPIO, SPI Clock | 9/8 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"connector":{"page":4,"quote":"| D8 | SPI_SCK | P1.13 | GPIO, SPI Clock | 9/8 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"designator":{"page":4,"quote":"| D8 | SPI_SCK | P1.13 | GPIO, SPI Clock | 9/8 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"castellated":{"page":4,"quote":"| D8 | SPI_SCK | P1.13 | GPIO, SPI Clock | 9/8 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"description":{"page":4,"quote":"| D8 | SPI_SCK | P1.13 | GPIO, SPI Clock | 9/8 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"power_domain":{"via":"chip u1 P1.13","method":"chip_link"}},"chip_pin":{"pin":"P1.13","method":"rule","chip_id":"u1"},"functions":[{"src":{"page":4,"quote":"| D8 | SPI_SCK | P1.13 | GPIO, SPI Clock | 9/8 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"D8","category":"gpio"},{"src":{"page":4,"quote":"| D8 | SPI_SCK | P1.13 | GPIO, SPI Clock | 9/8 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"P1.13","category":"gpio"},{"src":{"page":4,"quote":"| D8 | SPI_SCK | P1.13 | GPIO, SPI Clock | 9/8 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"PWM","category":"pwm"},{"src":{"page":4,"quote":"| D8 | SPI_SCK | P1.13 | GPIO, SPI Clock | 9/8 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"SPI_SCK","category":"spi"},{"src":{"page":578,"quote":"A16 P1.13 Digital I/O General purpose I/O Standard drive, low frequency I/O","method":"text","fragment":"functions_aqfn73.json"},"via":"chip u1 P1.13","signal":"any digital peripheral via PSEL (UART/SPI/TWI/PWM/QDEC/I2S/PDM)","category":"pin_select"}],"electrical":{"ioh":[{"max":0.004,"min":0.001,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"I_{OH,SD} Current at VDD-0.4 V, output set high, standard drive, VDD 1 2 4 mA","method":"text","fragment":"ratings_pins.json"},"typ":0.002,"via":"chip u1 P1.13","orig":{"max":4,"min":1,"typ":2,"unit":"mA"},"unit":"A","category":"characteristic","parameter":"Current at VDD−0.4 V, output high, standard drive","conditions":"VDD=3.3V"}],"iol":[{"max":0.004,"min":0.001,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"I_{OL,SD} Current at VSS+0.4 V, output set low, standard drive, VDD ≥ 1 2 4 mA","method":"text","fragment":"ratings_pins.json"},"typ":0.002,"via":"chip u1 P1.13","orig":{"max":4,"min":1,"typ":2,"unit":"mA"},"unit":"A","category":"characteristic","parameter":"Current at VSS+0.4 V, output low, standard drive","conditions":"VDD=3.3V"}],"vih":[{"max":3.3,"min":2.31,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{IH} Input high voltage 0.7 x VDD V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P1.13","unit":"V","category":"characteristic","parameter":"Input high voltage","conditions":"VDD=3.3V; min = 0.7 × VDD, max = VDD"}],"vil":[{"max":0.99,"min":0,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{IL} Input low voltage VSS 0.3 x V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P1.13","unit":"V","category":"characteristic","parameter":"Input low voltage","conditions":"VDD=3.3V; max = 0.3 × VDD"}],"voh":[{"max":3.3,"min":2.9,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{OH,SD} Output high voltage, standard drive, 0.5 mA, VDD ≥ 1.7 VDD - 0.4 VDD V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P1.13","unit":"V","category":"characteristic","parameter":"Output high voltage, standard drive 0.5 mA","conditions":"VDD=3.3V; VDD − 0.4 V"}],"vol":[{"max":0.4,"min":0,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{OL,SD} Output low voltage, standard drive, 0.5 mA, VDD ≥ 1.7 VSS VSS + 0.4 V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P1.13","unit":"V","category":"characteristic","parameter":"Output low voltage, standard drive 0.5 mA","conditions":"VDD=3.3V"}],"pull_up":[{"max":16000,"min":11000,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"R_{PU} Pull-up resistance 11 13 16 kΩ","method":"text","fragment":"ratings_pins.json"},"typ":13000,"via":"chip u1 P1.13","orig":{"max":16,"min":11,"typ":13,"unit":"kΩ"},"unit":"ohm","category":"characteristic","parameter":"Pull-up resistance"}],"pull_down":[{"max":16000,"min":11000,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"R_{PD} Pull-down resistance 11 13 16 kΩ","method":"text","fragment":"ratings_pins.json"},"typ":13000,"via":"chip u1 P1.13","orig":{"max":16,"min":11,"typ":13,"unit":"kΩ"},"unit":"ohm","category":"characteristic","parameter":"Pull-down resistance"}],"io_voltage":[{"src":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"U6 SGM2040-3.3YUDH4G/TR pin 1 net 3V3","method":"derived","fragment":"ratings_board.json"},"via":"group:io","unit":"V","value":3.3,"category":"operating","parameter":"GPIO level (nRF52840 VDD = 3V3 LDO)"}],"abs_max_voltage":[{"max":3.6,"min":-0.3,"src":{"doc":"nRF52840-QIAA datasheet","page":623,"quote":"V_{I/O} , VDD ≤3.6 V -0.3 VDD + 0.3 V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P1.13","unit":"V","category":"absolute_max","parameter":"I/O pin voltage (VDD ≤ 3.6 V)","conditions":"VDD=3.3V; max = VDD + 0.3 V"}],"input_capacitance":[{"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"C_{PAD} Pad capacitance 3 pF","method":"text","fragment":"ratings_pins.json"},"typ":0,"via":"chip u1 P1.13","orig":{"typ":3,"unit":"pF"},"unit":"F","category":"characteristic","parameter":"Pad capacitance"}],"five_volt_tolerant":[{"src":{"doc":"nRF52840-QIAA datasheet","page":623,"quote":"V_{I/O} , VDD ≤3.6 V -0.3 VDD + 0.3 V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P1.13","value":false,"category":"absolute_max","parameter":"5 V tolerant","conditions":"VDD=3.3V; I/O max = VDD + 0.3 V"}],"drive_recommendation":[{"src":{"doc":"nRF52840-QIAA datasheet","page":580,"quote":"151. Low frequency I/O is a signal with a frequency up to 10 kHz.","method":"text","fragment":"ratings_pins.json"},"via":"chip u1 P1.13","value":"standard drive, low-frequency I/O only (≤ 10 kHz) — near the radio","category":"characteristic","parameter":"Recommended drive"}]},"entity_type":"pin"},{"id":"D7","attrs":{"edge":"right","kind":"gpio","label":"D7","number":"B17","chip_pin":"P1.12","position":"R7","connector":"castellated_edge","designator":"D7","castellated":true,"description":"GPIO, UART Receive","power_domain":"VDD"},"sources":[{"page":4,"quote":"| D7 | RX | P1.12 | GPIO, UART Receive | 8/7 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"}],"attr_src":{"edge":{"page":4,"quote":"| D7 | RX | P1.12 | GPIO, UART Receive | 8/7 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"kind":{"page":4,"quote":"| D7 | RX | P1.12 | GPIO, UART Receive | 8/7 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"label":{"page":4,"quote":"| D7 | RX | P1.12 | GPIO, UART Receive | 8/7 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"number":{"via":"chip u1 P1.12","method":"chip_link"},"chip_pin":{"page":4,"quote":"| D7 | RX | P1.12 | GPIO, UART Receive | 8/7 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"position":{"page":4,"quote":"| D7 | RX | P1.12 | GPIO, UART Receive | 8/7 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"connector":{"page":4,"quote":"| D7 | RX | P1.12 | GPIO, UART Receive | 8/7 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"designator":{"page":4,"quote":"| D7 | RX | P1.12 | GPIO, UART Receive | 8/7 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"castellated":{"page":4,"quote":"| D7 | RX | P1.12 | GPIO, UART Receive | 8/7 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"description":{"page":4,"quote":"| D7 | RX | P1.12 | GPIO, UART Receive | 8/7 |","method":"table","fragment":"entities_pads.json","table_id":"4_3"},"power_domain":{"via":"chip u1 P1.12","method":"chip_link"}},"chip_pin":{"pin":"P1.12","method":"rule","chip_id":"u1"},"functions":[{"src":{"page":4,"quote":"| D7 | RX | P1.12 | GPIO, UART Receive | 8/7 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"D7","category":"gpio"},{"src":{"page":4,"quote":"| D7 | RX | P1.12 | GPIO, UART Receive | 8/7 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"P1.12","category":"gpio"},{"src":{"page":4,"quote":"| D7 | RX | P1.12 | GPIO, UART Receive | 8/7 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"PWM","category":"pwm"},{"src":{"page":4,"quote":"| D7 | RX | P1.12 | GPIO, UART Receive | 8/7 |","method":"table","fragment":"functions_pads.json","table_id":"4_3"},"signal":"RX","category":"uart"},{"src":{"page":578,"quote":"B17 P1.12 Digital I/O General purpose I/O Standard drive, low frequency I/O","method":"text","fragment":"functions_aqfn73.json"},"via":"chip u1 P1.12","signal":"any digital peripheral via PSEL (UART/SPI/TWI/PWM/QDEC/I2S/PDM)","category":"pin_select"}],"electrical":{"ioh":[{"max":0.004,"min":0.001,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"I_{OH,SD} Current at VDD-0.4 V, output set high, standard drive, VDD 1 2 4 mA","method":"text","fragment":"ratings_pins.json"},"typ":0.002,"via":"chip u1 P1.12","orig":{"max":4,"min":1,"typ":2,"unit":"mA"},"unit":"A","category":"characteristic","parameter":"Current at VDD−0.4 V, output high, standard drive","conditions":"VDD=3.3V"}],"iol":[{"max":0.004,"min":0.001,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"I_{OL,SD} Current at VSS+0.4 V, output set low, standard drive, VDD ≥ 1 2 4 mA","method":"text","fragment":"ratings_pins.json"},"typ":0.002,"via":"chip u1 P1.12","orig":{"max":4,"min":1,"typ":2,"unit":"mA"},"unit":"A","category":"characteristic","parameter":"Current at VSS+0.4 V, output low, standard drive","conditions":"VDD=3.3V"}],"vih":[{"max":3.3,"min":2.31,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{IH} Input high voltage 0.7 x VDD V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P1.12","unit":"V","category":"characteristic","parameter":"Input high voltage","conditions":"VDD=3.3V; min = 0.7 × VDD, max = VDD"}],"vil":[{"max":0.99,"min":0,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{IL} Input low voltage VSS 0.3 x V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P1.12","unit":"V","category":"characteristic","parameter":"Input low voltage","conditions":"VDD=3.3V; max = 0.3 × VDD"}],"voh":[{"max":3.3,"min":2.9,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{OH,SD} Output high voltage, standard drive, 0.5 mA, VDD ≥ 1.7 VDD - 0.4 VDD V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P1.12","unit":"V","category":"characteristic","parameter":"Output high voltage, standard drive 0.5 mA","conditions":"VDD=3.3V; VDD − 0.4 V"}],"vol":[{"max":0.4,"min":0,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{OL,SD} Output low voltage, standard drive, 0.5 mA, VDD ≥ 1.7 VSS VSS + 0.4 V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P1.12","unit":"V","category":"characteristic","parameter":"Output low voltage, standard drive 0.5 mA","conditions":"VDD=3.3V"}],"pull_up":[{"max":16000,"min":11000,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"R_{PU} Pull-up resistance 11 13 16 kΩ","method":"text","fragment":"ratings_pins.json"},"typ":13000,"via":"chip u1 P1.12","orig":{"max":16,"min":11,"typ":13,"unit":"kΩ"},"unit":"ohm","category":"characteristic","parameter":"Pull-up resistance"}],"pull_down":[{"max":16000,"min":11000,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"R_{PD} Pull-down resistance 11 13 16 kΩ","method":"text","fragment":"ratings_pins.json"},"typ":13000,"via":"chip u1 P1.12","orig":{"max":16,"min":11,"typ":13,"unit":"kΩ"},"unit":"ohm","category":"characteristic","parameter":"Pull-down resistance"}],"io_voltage":[{"src":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"U6 SGM2040-3.3YUDH4G/TR pin 1 net 3V3","method":"derived","fragment":"ratings_board.json"},"via":"group:io","unit":"V","value":3.3,"category":"operating","parameter":"GPIO level (nRF52840 VDD = 3V3 LDO)"}],"abs_max_voltage":[{"max":3.6,"min":-0.3,"src":{"doc":"nRF52840-QIAA datasheet","page":623,"quote":"V_{I/O} , VDD ≤3.6 V -0.3 VDD + 0.3 V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P1.12","unit":"V","category":"absolute_max","parameter":"I/O pin voltage (VDD ≤ 3.6 V)","conditions":"VDD=3.3V; max = VDD + 0.3 V"}],"input_capacitance":[{"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"C_{PAD} Pad capacitance 3 pF","method":"text","fragment":"ratings_pins.json"},"typ":0,"via":"chip u1 P1.12","orig":{"typ":3,"unit":"pF"},"unit":"F","category":"characteristic","parameter":"Pad capacitance"}],"five_volt_tolerant":[{"src":{"doc":"nRF52840-QIAA datasheet","page":623,"quote":"V_{I/O} , VDD ≤3.6 V -0.3 VDD + 0.3 V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P1.12","value":false,"category":"absolute_max","parameter":"5 V tolerant","conditions":"VDD=3.3V; I/O max = VDD + 0.3 V"}],"drive_recommendation":[{"src":{"doc":"nRF52840-QIAA datasheet","page":580,"quote":"151. Low frequency I/O is a signal with a frequency up to 10 kHz.","method":"text","fragment":"ratings_pins.json"},"via":"chip u1 P1.12","value":"standard drive, low-frequency I/O only (≤ 10 kHz) — near the radio","category":"characteristic","parameter":"Recommended drive"}]},"entity_type":"pin"},{"id":"BP-NFC1","attrs":{"net":"P0.09/NFC1","kind":"gpio","label":"NFC1","number":"L24","chip_pin":"P0.09","position":"NFC2","connector":"back_pads","designator":"BP-NFC1","description":"bottom pad NFC2 pad (KiCad ref) / net P0.09/NFC1, net P0.09/NFC1 — NFC antenna pin; usable as GPIO when NFC is disabled","power_domain":"VDD"},"sources":[{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"NFC2 pad (KiCad ref) / net P0.09/NFC1 net P0.09/NFC1","method":"table","fragment":"entities_pads.json"}],"attr_src":{"net":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"NFC2 pad (KiCad ref) / net P0.09/NFC1 net P0.09/NFC1","method":"table","fragment":"entities_pads.json"},"kind":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"NFC2 pad (KiCad ref) / net P0.09/NFC1 net P0.09/NFC1","method":"table","fragment":"entities_pads.json"},"label":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"NFC2 pad (KiCad ref) / net P0.09/NFC1 net P0.09/NFC1","method":"table","fragment":"entities_pads.json"},"number":{"via":"chip u1 P0.09","method":"chip_link"},"chip_pin":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"NFC2 pad (KiCad ref) / net P0.09/NFC1 net P0.09/NFC1","method":"table","fragment":"entities_pads.json"},"position":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"NFC2 pad (KiCad ref) / net P0.09/NFC1 net P0.09/NFC1","method":"table","fragment":"entities_pads.json"},"connector":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"NFC2 pad (KiCad ref) / net P0.09/NFC1 net P0.09/NFC1","method":"table","fragment":"entities_pads.json"},"designator":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"NFC2 pad (KiCad ref) / net P0.09/NFC1 net P0.09/NFC1","method":"table","fragment":"entities_pads.json"},"description":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"NFC2 pad (KiCad ref) / net P0.09/NFC1 net P0.09/NFC1","method":"table","fragment":"entities_pads.json"},"power_domain":{"via":"chip u1 P0.09","method":"chip_link"}},"chip_pin":{"pin":"P0.09","method":"rule","chip_id":"u1"},"functions":[{"src":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"NFC2 pad (KiCad ref) / net P0.09/NFC1 net P0.09/NFC1","method":"table","fragment":"functions_pads.json"},"signal":"NFC1","category":"nfc"},{"src":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"NFC2 pad (KiCad ref) / net P0.09/NFC1 net P0.09/NFC1","method":"table","fragment":"functions_pads.json"},"signal":"P0.09","category":"gpio"},{"src":{"page":579,"quote":"L24 P0.09 Digital I/O General purpose I/O Standard drive, low frequency I/O","method":"text","fragment":"functions_aqfn73.json"},"via":"chip u1 P0.09","signal":"any digital peripheral via PSEL (UART/SPI/TWI/PWM/QDEC/I2S/PDM)","category":"pin_select"}],"electrical":{"ioh":[{"max":0.004,"min":0.001,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"I_{OH,SD} Current at VDD-0.4 V, output set high, standard drive, VDD 1 2 4 mA","method":"text","fragment":"ratings_pins.json"},"typ":0.002,"via":"chip u1 P0.09","orig":{"max":4,"min":1,"typ":2,"unit":"mA"},"unit":"A","category":"characteristic","parameter":"Current at VDD−0.4 V, output high, standard drive","conditions":"VDD=3.3V"}],"iol":[{"max":0.004,"min":0.001,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"I_{OL,SD} Current at VSS+0.4 V, output set low, standard drive, VDD ≥ 1 2 4 mA","method":"text","fragment":"ratings_pins.json"},"typ":0.002,"via":"chip u1 P0.09","orig":{"max":4,"min":1,"typ":2,"unit":"mA"},"unit":"A","category":"characteristic","parameter":"Current at VSS+0.4 V, output low, standard drive","conditions":"VDD=3.3V"}],"vih":[{"max":3.3,"min":2.31,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{IH} Input high voltage 0.7 x VDD V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.09","unit":"V","category":"characteristic","parameter":"Input high voltage","conditions":"VDD=3.3V; min = 0.7 × VDD, max = VDD"}],"vil":[{"max":0.99,"min":0,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{IL} Input low voltage VSS 0.3 x V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.09","unit":"V","category":"characteristic","parameter":"Input low voltage","conditions":"VDD=3.3V; max = 0.3 × VDD"}],"voh":[{"max":3.3,"min":2.9,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{OH,SD} Output high voltage, standard drive, 0.5 mA, VDD ≥ 1.7 VDD - 0.4 VDD V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.09","unit":"V","category":"characteristic","parameter":"Output high voltage, standard drive 0.5 mA","conditions":"VDD=3.3V; VDD − 0.4 V"}],"vol":[{"max":0.4,"min":0,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{OL,SD} Output low voltage, standard drive, 0.5 mA, VDD ≥ 1.7 VSS VSS + 0.4 V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.09","unit":"V","category":"characteristic","parameter":"Output low voltage, standard drive 0.5 mA","conditions":"VDD=3.3V"}],"pull_up":[{"max":16000,"min":11000,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"R_{PU} Pull-up resistance 11 13 16 kΩ","method":"text","fragment":"ratings_pins.json"},"typ":13000,"via":"chip u1 P0.09","orig":{"max":16,"min":11,"typ":13,"unit":"kΩ"},"unit":"ohm","category":"characteristic","parameter":"Pull-up resistance"}],"pull_down":[{"max":16000,"min":11000,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"R_{PD} Pull-down resistance 11 13 16 kΩ","method":"text","fragment":"ratings_pins.json"},"typ":13000,"via":"chip u1 P0.09","orig":{"max":16,"min":11,"typ":13,"unit":"kΩ"},"unit":"ohm","category":"characteristic","parameter":"Pull-down resistance"}],"io_voltage":[{"src":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"U6 SGM2040-3.3YUDH4G/TR pin 1 net 3V3","method":"derived","fragment":"ratings_board.json"},"via":"group:io","unit":"V","value":3.3,"category":"operating","parameter":"GPIO level (nRF52840 VDD = 3V3 LDO)"}],"abs_max_voltage":[{"max":3.6,"min":-0.3,"src":{"doc":"nRF52840-QIAA datasheet","page":623,"quote":"V_{I/O} , VDD ≤3.6 V -0.3 VDD + 0.3 V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.09","unit":"V","category":"absolute_max","parameter":"I/O pin voltage (VDD ≤ 3.6 V)","conditions":"VDD=3.3V; max = VDD + 0.3 V"}],"input_capacitance":[{"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"C_{PAD} Pad capacitance 3 pF","method":"text","fragment":"ratings_pins.json"},"typ":0,"via":"chip u1 P0.09","orig":{"typ":3,"unit":"pF"},"unit":"F","category":"characteristic","parameter":"Pad capacitance"}],"five_volt_tolerant":[{"src":{"doc":"nRF52840-QIAA datasheet","page":623,"quote":"V_{I/O} , VDD ≤3.6 V -0.3 VDD + 0.3 V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.09","value":false,"category":"absolute_max","parameter":"5 V tolerant","conditions":"VDD=3.3V; I/O max = VDD + 0.3 V"}],"drive_recommendation":[{"src":{"doc":"nRF52840-QIAA datasheet","page":580,"quote":"151. Low frequency I/O is a signal with a frequency up to 10 kHz.","method":"text","fragment":"ratings_pins.json"},"via":"chip u1 P0.09","value":"standard drive, low-frequency I/O only (≤ 10 kHz) — near the radio","category":"characteristic","parameter":"Recommended drive"}]},"entity_type":"pin"},{"id":"BP-NFC2","attrs":{"net":"P0.10/NFC2","kind":"gpio","label":"NFC2","number":"J24","chip_pin":"P0.10","position":"NFC1","connector":"back_pads","designator":"BP-NFC2","description":"bottom pad NFC1 pad (KiCad ref) / net P0.10/NFC2, net P0.10/NFC2 — NFC antenna pin; usable as GPIO when NFC is disabled","power_domain":"VDD"},"sources":[{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"NFC1 pad (KiCad ref) / net P0.10/NFC2 net P0.10/NFC2","method":"table","fragment":"entities_pads.json"}],"attr_src":{"net":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"NFC1 pad (KiCad ref) / net P0.10/NFC2 net P0.10/NFC2","method":"table","fragment":"entities_pads.json"},"kind":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"NFC1 pad (KiCad ref) / net P0.10/NFC2 net P0.10/NFC2","method":"table","fragment":"entities_pads.json"},"label":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"NFC1 pad (KiCad ref) / net P0.10/NFC2 net P0.10/NFC2","method":"table","fragment":"entities_pads.json"},"number":{"via":"chip u1 P0.10","method":"chip_link"},"chip_pin":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"NFC1 pad (KiCad ref) / net P0.10/NFC2 net P0.10/NFC2","method":"table","fragment":"entities_pads.json"},"position":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"NFC1 pad (KiCad ref) / net P0.10/NFC2 net P0.10/NFC2","method":"table","fragment":"entities_pads.json"},"connector":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"NFC1 pad (KiCad ref) / net P0.10/NFC2 net P0.10/NFC2","method":"table","fragment":"entities_pads.json"},"designator":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"NFC1 pad (KiCad ref) / net P0.10/NFC2 net P0.10/NFC2","method":"table","fragment":"entities_pads.json"},"description":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"NFC1 pad (KiCad ref) / net P0.10/NFC2 net P0.10/NFC2","method":"table","fragment":"entities_pads.json"},"power_domain":{"via":"chip u1 P0.10","method":"chip_link"}},"chip_pin":{"pin":"P0.10","method":"rule","chip_id":"u1"},"functions":[{"src":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"NFC1 pad (KiCad ref) / net P0.10/NFC2 net P0.10/NFC2","method":"table","fragment":"functions_pads.json"},"signal":"NFC2","category":"nfc"},{"src":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"NFC1 pad (KiCad ref) / net P0.10/NFC2 net P0.10/NFC2","method":"table","fragment":"functions_pads.json"},"signal":"P0.10","category":"gpio"},{"src":{"page":578,"quote":"J24 P0.10 Digital I/O General purpose I/O Standard drive, low frequency I/O","method":"text","fragment":"functions_aqfn73.json"},"via":"chip u1 P0.10","signal":"any digital peripheral via PSEL (UART/SPI/TWI/PWM/QDEC/I2S/PDM)","category":"pin_select"}],"electrical":{"ioh":[{"max":0.004,"min":0.001,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"I_{OH,SD} Current at VDD-0.4 V, output set high, standard drive, VDD 1 2 4 mA","method":"text","fragment":"ratings_pins.json"},"typ":0.002,"via":"chip u1 P0.10","orig":{"max":4,"min":1,"typ":2,"unit":"mA"},"unit":"A","category":"characteristic","parameter":"Current at VDD−0.4 V, output high, standard drive","conditions":"VDD=3.3V"}],"iol":[{"max":0.004,"min":0.001,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"I_{OL,SD} Current at VSS+0.4 V, output set low, standard drive, VDD ≥ 1 2 4 mA","method":"text","fragment":"ratings_pins.json"},"typ":0.002,"via":"chip u1 P0.10","orig":{"max":4,"min":1,"typ":2,"unit":"mA"},"unit":"A","category":"characteristic","parameter":"Current at VSS+0.4 V, output low, standard drive","conditions":"VDD=3.3V"}],"vih":[{"max":3.3,"min":2.31,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{IH} Input high voltage 0.7 x VDD V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.10","unit":"V","category":"characteristic","parameter":"Input high voltage","conditions":"VDD=3.3V; min = 0.7 × VDD, max = VDD"}],"vil":[{"max":0.99,"min":0,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{IL} Input low voltage VSS 0.3 x V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.10","unit":"V","category":"characteristic","parameter":"Input low voltage","conditions":"VDD=3.3V; max = 0.3 × VDD"}],"voh":[{"max":3.3,"min":2.9,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{OH,SD} Output high voltage, standard drive, 0.5 mA, VDD ≥ 1.7 VDD - 0.4 VDD V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.10","unit":"V","category":"characteristic","parameter":"Output high voltage, standard drive 0.5 mA","conditions":"VDD=3.3V; VDD − 0.4 V"}],"vol":[{"max":0.4,"min":0,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{OL,SD} Output low voltage, standard drive, 0.5 mA, VDD ≥ 1.7 VSS VSS + 0.4 V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.10","unit":"V","category":"characteristic","parameter":"Output low voltage, standard drive 0.5 mA","conditions":"VDD=3.3V"}],"pull_up":[{"max":16000,"min":11000,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"R_{PU} Pull-up resistance 11 13 16 kΩ","method":"text","fragment":"ratings_pins.json"},"typ":13000,"via":"chip u1 P0.10","orig":{"max":16,"min":11,"typ":13,"unit":"kΩ"},"unit":"ohm","category":"characteristic","parameter":"Pull-up resistance"}],"pull_down":[{"max":16000,"min":11000,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"R_{PD} Pull-down resistance 11 13 16 kΩ","method":"text","fragment":"ratings_pins.json"},"typ":13000,"via":"chip u1 P0.10","orig":{"max":16,"min":11,"typ":13,"unit":"kΩ"},"unit":"ohm","category":"characteristic","parameter":"Pull-down resistance"}],"io_voltage":[{"src":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"U6 SGM2040-3.3YUDH4G/TR pin 1 net 3V3","method":"derived","fragment":"ratings_board.json"},"via":"group:io","unit":"V","value":3.3,"category":"operating","parameter":"GPIO level (nRF52840 VDD = 3V3 LDO)"}],"abs_max_voltage":[{"max":3.6,"min":-0.3,"src":{"doc":"nRF52840-QIAA datasheet","page":623,"quote":"V_{I/O} , VDD ≤3.6 V -0.3 VDD + 0.3 V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.10","unit":"V","category":"absolute_max","parameter":"I/O pin voltage (VDD ≤ 3.6 V)","conditions":"VDD=3.3V; max = VDD + 0.3 V"}],"input_capacitance":[{"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"C_{PAD} Pad capacitance 3 pF","method":"text","fragment":"ratings_pins.json"},"typ":0,"via":"chip u1 P0.10","orig":{"typ":3,"unit":"pF"},"unit":"F","category":"characteristic","parameter":"Pad capacitance"}],"five_volt_tolerant":[{"src":{"doc":"nRF52840-QIAA datasheet","page":623,"quote":"V_{I/O} , VDD ≤3.6 V -0.3 VDD + 0.3 V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.10","value":false,"category":"absolute_max","parameter":"5 V tolerant","conditions":"VDD=3.3V; I/O max = VDD + 0.3 V"}],"drive_recommendation":[{"src":{"doc":"nRF52840-QIAA datasheet","page":580,"quote":"151. Low frequency I/O is a signal with a frequency up to 10 kHz.","method":"text","fragment":"ratings_pins.json"},"via":"chip u1 P0.10","value":"standard drive, low-frequency I/O only (≤ 10 kHz) — near the radio","category":"characteristic","parameter":"Recommended drive"}]},"entity_type":"pin"},{"id":"BP-SWDIO","attrs":{"net":"SWDIO","kind":"debug","label":"SWDIO","number":"AC24","chip_pin":"SWDIO","position":"TP5","connector":"back_pads","designator":"BP-SWDIO","description":"bottom pad TP5, net SWDIO"},"sources":[{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"TP5 net SWDIO","method":"table","fragment":"entities_pads.json"}],"attr_src":{"net":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"TP5 net SWDIO","method":"table","fragment":"entities_pads.json"},"kind":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"TP5 net SWDIO","method":"table","fragment":"entities_pads.json"},"label":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"TP5 net SWDIO","method":"table","fragment":"entities_pads.json"},"number":{"via":"chip u1 SWDIO","method":"chip_link"},"chip_pin":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"TP5 net SWDIO","method":"table","fragment":"entities_pads.json"},"position":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"TP5 net SWDIO","method":"table","fragment":"entities_pads.json"},"connector":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"TP5 net SWDIO","method":"table","fragment":"entities_pads.json"},"designator":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"TP5 net SWDIO","method":"table","fragment":"entities_pads.json"},"description":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"TP5 net SWDIO","method":"table","fragment":"entities_pads.json"}},"chip_pin":{"pin":"SWDIO","method":"rule","chip_id":"u1"},"functions":[{"src":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"TP5 net SWDIO","method":"table","fragment":"functions_pads.json"},"signal":"SWDIO","category":"debug"}],"electrical":{},"entity_type":"pin"},{"id":"BP-SWDCLK","attrs":{"net":"SWDCLK","kind":"debug","label":"SWDCLK","number":"AA24","chip_pin":"SWDCLK","position":"TP3","connector":"back_pads","designator":"BP-SWDCLK","description":"bottom pad TP3, net SWDCLK"},"sources":[{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"TP3 net SWDCLK","method":"table","fragment":"entities_pads.json"}],"attr_src":{"net":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"TP3 net SWDCLK","method":"table","fragment":"entities_pads.json"},"kind":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"TP3 net SWDCLK","method":"table","fragment":"entities_pads.json"},"label":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"TP3 net SWDCLK","method":"table","fragment":"entities_pads.json"},"number":{"via":"chip u1 SWDCLK","method":"chip_link"},"chip_pin":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"TP3 net SWDCLK","method":"table","fragment":"entities_pads.json"},"position":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"TP3 net SWDCLK","method":"table","fragment":"entities_pads.json"},"connector":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"TP3 net SWDCLK","method":"table","fragment":"entities_pads.json"},"designator":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"TP3 net SWDCLK","method":"table","fragment":"entities_pads.json"},"description":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"TP3 net SWDCLK","method":"table","fragment":"entities_pads.json"}},"chip_pin":{"pin":"SWDCLK","method":"rule","chip_id":"u1"},"functions":[{"src":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"TP3 net SWDCLK","method":"table","fragment":"functions_pads.json"},"signal":"SWDCLK","category":"debug"}],"electrical":{},"entity_type":"pin"},{"id":"BP-RESET","attrs":{"net":"RESET","kind":"control","label":"RESET","number":"AC13","chip_pin":"P0.18","position":"TP2","connector":"back_pads","designator":"BP-RESET","description":"bottom pad TP2, net RESET","power_domain":"VDD"},"sources":[{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"TP2 net RESET","method":"table","fragment":"entities_pads.json"}],"attr_src":{"net":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"TP2 net RESET","method":"table","fragment":"entities_pads.json"},"kind":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"TP2 net RESET","method":"table","fragment":"entities_pads.json"},"label":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"TP2 net RESET","method":"table","fragment":"entities_pads.json"},"number":{"via":"chip u1 P0.18","method":"chip_link"},"chip_pin":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"TP2 net RESET","method":"table","fragment":"entities_pads.json"},"position":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"TP2 net RESET","method":"table","fragment":"entities_pads.json"},"connector":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"TP2 net RESET","method":"table","fragment":"entities_pads.json"},"designator":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"TP2 net RESET","method":"table","fragment":"entities_pads.json"},"description":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"TP2 net RESET","method":"table","fragment":"entities_pads.json"},"power_domain":{"via":"chip u1 P0.18","method":"chip_link"}},"chip_pin":{"pin":"P0.18","method":"rule","chip_id":"u1"},"functions":[{"src":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"TP2 net RESET","method":"table","fragment":"functions_pads.json"},"signal":"RESET","category":"control"},{"src":{"page":579,"quote":"AC13 P0.18 Digital I/O General purpose I/O QSPI/CSN","method":"text","fragment":"functions_aqfn73.json"},"via":"chip u1 P0.18","signal":"P0.18","category":"gpio"},{"src":{"page":579,"quote":"AC13 P0.18 Digital I/O General purpose I/O QSPI/CSN","method":"text","fragment":"functions_aqfn73.json"},"via":"chip u1 P0.18","signal":"nRESET","category":"control"},{"src":{"page":579,"quote":"AC13 P0.18 Digital I/O General purpose I/O QSPI/CSN","method":"text","fragment":"functions_aqfn73.json"},"via":"chip u1 P0.18","signal":"any digital peripheral via PSEL (UART/SPI/TWI/PWM/QDEC/I2S/PDM)","category":"pin_select"}],"electrical":{"ioh":[{"max":0.004,"min":0.001,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"I_{OH,SD} Current at VDD-0.4 V, output set high, standard drive, VDD 1 2 4 mA","method":"text","fragment":"ratings_pins.json"},"typ":0.002,"via":"chip u1 P0.18","orig":{"max":4,"min":1,"typ":2,"unit":"mA"},"unit":"A","category":"characteristic","parameter":"Current at VDD−0.4 V, output high, standard drive","conditions":"VDD=3.3V"}],"iol":[{"max":0.004,"min":0.001,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"I_{OL,SD} Current at VSS+0.4 V, output set low, standard drive, VDD ≥ 1 2 4 mA","method":"text","fragment":"ratings_pins.json"},"typ":0.002,"via":"chip u1 P0.18","orig":{"max":4,"min":1,"typ":2,"unit":"mA"},"unit":"A","category":"characteristic","parameter":"Current at VSS+0.4 V, output low, standard drive","conditions":"VDD=3.3V"}],"vih":[{"max":3.3,"min":2.31,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{IH} Input high voltage 0.7 x VDD V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.18","unit":"V","category":"characteristic","parameter":"Input high voltage","conditions":"VDD=3.3V; min = 0.7 × VDD, max = VDD"}],"vil":[{"max":0.99,"min":0,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{IL} Input low voltage VSS 0.3 x V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.18","unit":"V","category":"characteristic","parameter":"Input low voltage","conditions":"VDD=3.3V; max = 0.3 × VDD"}],"voh":[{"max":3.3,"min":2.9,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{OH,SD} Output high voltage, standard drive, 0.5 mA, VDD ≥ 1.7 VDD - 0.4 VDD V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.18","unit":"V","category":"characteristic","parameter":"Output high voltage, standard drive 0.5 mA","conditions":"VDD=3.3V; VDD − 0.4 V"}],"vol":[{"max":0.4,"min":0,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{OL,SD} Output low voltage, standard drive, 0.5 mA, VDD ≥ 1.7 VSS VSS + 0.4 V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.18","unit":"V","category":"characteristic","parameter":"Output low voltage, standard drive 0.5 mA","conditions":"VDD=3.3V"}],"pull_up":[{"max":16000,"min":11000,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"R_{PU} Pull-up resistance 11 13 16 kΩ","method":"text","fragment":"ratings_pins.json"},"typ":13000,"via":"chip u1 P0.18","orig":{"max":16,"min":11,"typ":13,"unit":"kΩ"},"unit":"ohm","category":"characteristic","parameter":"Pull-up resistance"}],"pull_down":[{"max":16000,"min":11000,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"R_{PD} Pull-down resistance 11 13 16 kΩ","method":"text","fragment":"ratings_pins.json"},"typ":13000,"via":"chip u1 P0.18","orig":{"max":16,"min":11,"typ":13,"unit":"kΩ"},"unit":"ohm","category":"characteristic","parameter":"Pull-down resistance"}],"ioh_high_drive":[{"max":0.014,"min":0.006,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"I_{OH,HDH} Current at VDD-0.4 V, output set high, high drive, VDD ≥ 2.7 6 9 14 mA","method":"text","fragment":"ratings_pins.json"},"typ":0.009,"via":"chip u1 P0.18","orig":{"max":14,"min":6,"typ":9,"unit":"mA"},"unit":"A","category":"characteristic","parameter":"Current at VDD−0.4 V, output high, high drive","conditions":"VDD=3.3V; VDD ≥ 2.7 V"}],"iol_high_drive":[{"max":0.015,"min":0.006,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"I_{OL,HDH} Current at VSS+0.4 V, output set low, high drive, VDD ≥ 2.7 V 6 10 15 mA","method":"text","fragment":"ratings_pins.json"},"typ":0.01,"via":"chip u1 P0.18","orig":{"max":15,"min":6,"typ":10,"unit":"mA"},"unit":"A","category":"characteristic","parameter":"Current at VSS+0.4 V, output low, high drive","conditions":"VDD=3.3V; VDD ≥ 2.7 V"}],"voh_high_drive":[{"min":2.9,"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"V_{OH,HDH} Output high voltage, high drive, 5 mA, VDD ≥ 2.7 V VDD - 0.4 VDD V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.18","unit":"V","category":"characteristic","parameter":"Output high voltage, high drive 5 mA","conditions":"VDD=3.3V; VDD ≥ 2.7 V"}],"abs_max_voltage":[{"max":3.6,"min":-0.3,"src":{"doc":"nRF52840-QIAA datasheet","page":623,"quote":"V_{I/O} , VDD ≤3.6 V -0.3 VDD + 0.3 V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.18","unit":"V","category":"absolute_max","parameter":"I/O pin voltage (VDD ≤ 3.6 V)","conditions":"VDD=3.3V; max = VDD + 0.3 V"}],"input_capacitance":[{"src":{"doc":"nRF52840-QIAA datasheet","page":159,"quote":"C_{PAD} Pad capacitance 3 pF","method":"text","fragment":"ratings_pins.json"},"typ":0,"via":"chip u1 P0.18","orig":{"typ":3,"unit":"pF"},"unit":"F","category":"characteristic","parameter":"Pad capacitance"}],"five_volt_tolerant":[{"src":{"doc":"nRF52840-QIAA datasheet","page":623,"quote":"V_{I/O} , VDD ≤3.6 V -0.3 VDD + 0.3 V","method":"derived","fragment":"ratings_pins.json"},"via":"chip u1 P0.18","value":false,"category":"absolute_max","parameter":"5 V tolerant","conditions":"VDD=3.3V; I/O max = VDD + 0.3 V"}]},"entity_type":"pin"},{"id":"BP-GND","attrs":{"net":"GND","kind":"ground","label":"GND","position":"TP1","connector":"back_pads","designator":"BP-GND","description":"bottom pad TP1, net GND"},"sources":[{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"TP1 net GND","method":"table","fragment":"entities_pads.json"}],"attr_src":{"net":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"TP1 net GND","method":"table","fragment":"entities_pads.json"},"kind":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"TP1 net GND","method":"table","fragment":"entities_pads.json"},"label":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"TP1 net GND","method":"table","fragment":"entities_pads.json"},"position":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"TP1 net GND","method":"table","fragment":"entities_pads.json"},"connector":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"TP1 net GND","method":"table","fragment":"entities_pads.json"},"designator":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"TP1 net GND","method":"table","fragment":"entities_pads.json"},"description":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"TP1 net GND","method":"table","fragment":"entities_pads.json"}},"functions":[],"electrical":{},"entity_type":"pin"},{"id":"BP-BAT+","attrs":{"net":"VBAT","kind":"power_in","label":"BAT+","position":"BAT0","connector":"back_pads","designator":"BP-BAT+","description":"bottom pad BAT0, net VBAT"},"sources":[{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"BAT0 net VBAT","method":"table","fragment":"entities_pads.json"}],"attr_src":{"net":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"BAT0 net VBAT","method":"table","fragment":"entities_pads.json"},"kind":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"BAT0 net VBAT","method":"table","fragment":"entities_pads.json"},"label":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"BAT0 net VBAT","method":"table","fragment":"entities_pads.json"},"position":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"BAT0 net VBAT","method":"table","fragment":"entities_pads.json"},"connector":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"BAT0 net VBAT","method":"table","fragment":"entities_pads.json"},"designator":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"BAT0 net VBAT","method":"table","fragment":"entities_pads.json"},"description":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"BAT0 net VBAT","method":"table","fragment":"entities_pads.json"}},"functions":[],"electrical":{"charge_current":[{"max":0.1,"src":{"page":9,"quote":"The battery charging current can be set to approximately 50 mA or 100 mA using P0.13.","method":"text","fragment":"ratings_board.json"},"typ":0.05,"via":"direct","orig":{"max":100,"typ":50,"unit":"mA"},"unit":"A","category":"operating","parameter":"Li-ion charge current (BQ25101)","conditions":"≈50 mA with P0.13 high-impedance, ≈100 mA with P0.13 driven low"}]},"entity_type":"pin"},{"id":"BP-BAT-","attrs":{"net":"GND","kind":"ground","label":"BAT-","position":"GND0","connector":"back_pads","designator":"BP-BAT-","description":"bottom pad GND0, net GND"},"sources":[{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"GND0 net GND","method":"table","fragment":"entities_pads.json"}],"attr_src":{"net":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"GND0 net GND","method":"table","fragment":"entities_pads.json"},"kind":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"GND0 net GND","method":"table","fragment":"entities_pads.json"},"label":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"GND0 net GND","method":"table","fragment":"entities_pads.json"},"position":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"GND0 net GND","method":"table","fragment":"entities_pads.json"},"connector":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"GND0 net GND","method":"table","fragment":"entities_pads.json"},"designator":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"GND0 net GND","method":"table","fragment":"entities_pads.json"},"description":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"GND0 net GND","method":"table","fragment":"entities_pads.json"}},"functions":[],"electrical":{},"entity_type":"pin"}],"taxonomy":{"schematic":{"role":"identity_overview","definition":"A full circuit schematic figure of the board (caption mentions schematic)"},"cover_legal":{"role":"other","definition":"Cover page, colophon, licence, legal disclaimer or trademark notice"},"gpio_adc_usage":{"role":"electrical_ratings","definition":"Application notes about GPIO voltage levels and ADC usage/limitations"},"pinout_diagram":{"role":"pins_or_terminals","definition":"A pinout or pin-numbering figure (its caption mentions pinout or pin numbering) mapping physical header pins to signal names and alternate functions"},"design_files_cad":{"role":"identity_overview","definition":"Links to design resources: schematic, PCB layout, STEP 3D model, Fritzing files"},"pin_descriptions":{"role":"pins_or_terminals","definition":"Text describing what individual pins do (power pins, RUN, ADC_VREF, internal GPIO, test points)"},"revision_history":{"role":"other","definition":"Documentation release / revision history"},"power_consumption":{"role":"performance","definition":"Measured supply current / power consumption tables or graphs in different operating modes"},"table_of_contents":{"role":"other","definition":"Table of contents listing sections and page numbers"},"mechanical_drawing":{"role":"mechanical_dimensions","definition":"Dimensioned mechanical drawing or text giving board size, thickness, hole positions and diameters"},"component_locations":{"role":"mechanical_dimensions","definition":"Component placement / locations drawing of the board"},"power_supply_design":{"role":"electrical_ratings","definition":"Power chain, regulator, powering the board from USB, batteries or external supplies"},"operating_conditions":{"role":"electrical_ratings","definition":"Recommended operating conditions: temperature range and allowed supply voltages"},"ordering_availability":{"role":"ordering_commercial","definition":"Ordering codes, part numbers, EAN, prices, minimum order quantity, availability guarantee"},"programming_debug_usb":{"role":"software_usage","definition":"Programming the flash, USB device/host usage, SWD debugging"},"smt_footprint_stencil":{"role":"mechanical_dimensions","definition":"Surface-mount footprint, pad layout or paste stencil drawings for mounting the board as a module"},"board_overview_features":{"role":"identity_overview","definition":"Overview of the board: what it is, key features list, main chip capabilities (cores, clock, memory, peripherals)"}},"variants":{},"commercial":{"other":{},"lifecycle":"active","checked_at":"2026-09-24T21:37:27+00:00","compliance":[],"ordering_codes":[{"code":"102010469","description":"Seeed Studio XIAO nRF52840 Sense"}]},"mechanical":{"dims":{"width":{"src":{"page":2,"quote":"- Ultra Small Size: 21 x 17.8mm, Seeed Studio XIAO series classic form-factor for wearable devices","method":"text"},"unit":"mm","value":17.8},"length":{"src":{"page":2,"quote":"- Ultra Small Size: 21 x 17.8mm, Seeed Studio XIAO series classic form-factor for wearable devices","method":"text"},"unit":"mm","value":21},"pad_pitch":{"src":{"page":4,"quote":"XIAO pin map D0 … D6 (2.54 mm castellated pitch)","method":"derived"},"unit":"mm","value":2.54},"thickness":{"src":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"(general (thickness 1.6))","method":"table"},"unit":"mm","value":1.6}},"kind":"mechanical","holes":[],"units":"mm","origin":"x along the 21 mm length toward USB-C; y across 17.8 mm; z=0 PCB bottom","features":[{"h":3.2,"l":7.35,"w":8.94,"x":13.65,"y":4.430000000000001,"src":{"url":"https://files.seeedstudio.com/wiki/XIAO-BLE/Res/260828_Seeed_Studio_XIAO_nRF52840_v1.2.zip","quote":"USB2.0-TYPE-C","method":"table"},"name":"USB-C receptacle","side":"top","assumed":"USB-C body typical; flush with the edge","overhang":false}],"archetype":"pcb_board","assumptions":{}},"page_index":[{"page":1,"tags":["board_overview_features"],"primary":"board_overview_features"},{"page":2,"tags":["board_overview_features"],"primary":"board_overview_features"},{"page":3,"tags":["board_overview_features"],"primary":"board_overview_features"},{"page":4,"tags":["pinout_diagram","pin_descriptions"],"primary":"pinout_diagram"},{"page":5,"tags":[],"primary":"none_of_these"},{"page":6,"tags":["programming_debug_usb"],"primary":"programming_debug_usb"},{"page":7,"tags":[],"primary":"none_of_these"},{"page":8,"tags":["power_consumption"],"primary":"power_consumption"},{"page":9,"tags":["power_supply_design"],"primary":"power_supply_design"},{"page":10,"tags":["programming_debug_usb"],"primary":"programming_debug_usb"},{"page":11,"tags":["pin_descriptions","gpio_adc_usage"],"primary":"none_of_these"},{"page":12,"tags":["mechanical_drawing","design_files_cad"],"primary":"design_files_cad"},{"page":13,"tags":[],"primary":"none_of_these"},{"page":14,"tags":[],"primary":"none_of_these"}],"performance":[],"schema_name":"datasheet-1","part_ratings":{"abs_max_voltage":[{"max":3.6,"src":{"page":11,"quote":"When P0.14 is set HIGH, the battery voltage reading path is disabled and P0.31 may reach the input voltage limit of 3.6V, posing a risk of damaging the P0.31 pin. To safely read battery voltage, set P0.14 LOW (to enable the reading path) and then read the ADC value on P0.31.","method":"text","fragment":"ratings_board.json"},"unit":"V","category":"absolute_max","parameter":"Battery-sense pin limit (P0.31)","conditions":"keep P0.14 LOW while reading battery voltage"}],"supply_current_standby":[{"max":0.000005,"src":{"page":2,"quote":"- Ultra-Low Power: Standby power consumption is less than 5μA","method":"text","fragment":"ratings_board.json"},"orig":{"max":5,"unit":"μA"},"unit":"A","category":"characteristic","parameter":"Standby consumption"}]}},"use_cases":["wireless-iot","battery-portable","tinyml-sensing","usb-devices","compact-embedded","learning-prototyping"],"commercial":{"other":{},"lifecycle":"active","checked_at":"2026-09-24T21:37:27+00:00","compliance":[],"ordering_codes":[{"code":"102010469","description":"Seeed Studio XIAO nRF52840 Sense"}]},"assembly_label":"Development board","assembly_level":3,"search_aliases":["102010469","SeeedStudioXIAOnRF52840Sense"],"children_summary":[{"id":"a9738595-460f-5e6b-890e-4787635efade--mcu","part_number":"nRF52840-QIAA","manufacturer":"Nordic Semiconductor","role":"main_processor","architecture":"Arm Cortex-M4 with FPU","clock_mhz":64,"memory":{"other":{"rom_kb":null},"sram_kb":256,"flash_kb":1024}},{"id":"a9738595-460f-5e6b-890e-4787635efade--u3","part_number":"LSM6DS3TR-C","manufacturer":"STMicroelectronics","role":"imu","architecture":null,"clock_mhz":null,"memory":null},{"id":"a9738595-460f-5e6b-890e-4787635efade--mic1","part_number":"MSM261D3526H1CPM","manufacturer":"MEMSensing","role":"microphone","architecture":null,"clock_mhz":null,"memory":null},{"id":"a9738595-460f-5e6b-890e-4787635efade--u2","part_number":"BQ25101YFPT","manufacturer":"Texas Instruments","role":"battery_charger","architecture":null,"clock_mhz":null,"memory":null},{"id":"a9738595-460f-5e6b-890e-4787635efade--u6","part_number":"SGM2040-3.3YUDH4G/TR","manufacturer":"SG Micro","role":"ldo_regulator","architecture":null,"clock_mhz":null,"memory":null},{"id":"a9738595-460f-5e6b-890e-4787635efade--u7","part_number":"P25Q16H-UXH-IR","manufacturer":"Puya","role":"flash_memory","architecture":null,"clock_mhz":null,"memory":null}],"design":{"assets":[{"other":{},"kind":"datasheet","url":"https://wiki.seeedstudio.com/XIAO_BLE/","label":"Datasheet","verification":"manufacturer","notes":null,"resolved_url":"https://wiki.seeedstudio.com/XIAO_BLE/"},{"other":{},"kind":"image","url":"https://media-cdn.seeedstudio.com/media/catalog/product/1/-/1-102010469-seeed-studio-xiao-nrf52840-sense-45font-logo.jpg","label":"Seeed Studio XIAO nRF52840 Sense (official store photo, SKU 102010469)","verification":"manufacturer","notes":"inspected: shows the XIAO nRF52840 board (shield marked 'XIAO nRF52840'; Sense and non-Sense look identical from the top), USB-C, castellated pads; saved at work/xiao-nrf52840-sense/images/","resolved_url":"https://media-cdn.seeedstudio.com/media/catalog/product/1/-/1-102010469-seeed-studio-xiao-nrf52840-sense-45font-logo.jpg"},{"other":{},"kind":"cad","url":"xiao-nrf52840-sense.step","label":"STEP (generated from datasheet drawing)","verification":"generated","notes":"cad_check passed","resolved_url":"https://wlrumvsjnliyuuvzwnrt.supabase.co/storage/v1/object/public/geometry/xiao-nrf52840-sense.step"}],"cad":{"verification":"generated","envelope_complete":false,"assumptions":["feature USB-C receptacle: USB-C body typical; flush with the edge"],"step_path":"xiao-nrf52840-sense.step","mesh_path":"xiao-nrf52840-sense.stl","footprint_svg_path":null,"bbox":{"length_mm":21,"width_mm":17.8,"height_mm":4.8},"features":[],"step_url":"https://wlrumvsjnliyuuvzwnrt.supabase.co/storage/v1/object/public/geometry/xiao-nrf52840-sense.step","mesh_url":"https://wlrumvsjnliyuuvzwnrt.supabase.co/storage/v1/object/public/geometry/xiao-nrf52840-sense.stl","footprint_svg_url":null},"limitations":["Generated geometry is an approximate mechanical envelope; inspect original manufacturer CAD when available.","Generated footprint_svg_path is an outline, not a verified electrical land pattern.","Xirkit does not run fit checks; download step_url and test fit against your own enclosure."]}}}