# D-Robotics RDK X5 8GB

> Robotics and edge-vision board with eight 1.5 GHz Cortex-A55 cores, a 10 TOPS Bayes BPU, 8 GB LPDDR4, dual four-lane CSI, CAN FD, Wi-Fi 6, Bluetooth 5.4, Gigabit Ethernet with PoE, four USB 3.0 hosts and a 40-pin header.

- Manufacturer: D-Robotics
- Part number: RDK X5 8G
- Category: Development boards
- Canonical page: https://www.xirkit.io/products/d-robotics-rdk-x5-8gb-2131
- Pinout: https://www.xirkit.io/products/d-robotics-rdk-x5-8gb-2131/pinout
- Structured JSON: https://www.xirkit.io/products/d-robotics-rdk-x5-8gb-2131/data.json
- Source: Xirkit structured parts catalog — every value traced to a cited document; unknowns are explicit.

## Key specifications

| Property | Value |
| --- | --- |
| Main chip | Sunrise 5 |
| Chips on board | Sunrise 5 |
| Exposed GPIO | 28 |
| Documented board pins | 40 |
| I/O voltage | 3.3 V |
| Supply voltage | 5–5 V |
| Flash | 131,072 KB |
| SRAM | 8,388,608 KB |
| Interfaces | i2c, uart, i2s, spi, pwm |
| Frameworks | Ubuntu 22.04, TogetheROS.Bot, OpenExplore |
| Dimensions | 85 × 56 × 1.6 mm |
| Operating temperature | -20 to 60 °C |

## Pinout (40 pins, 0 with electrical limits)

| Pin | Position | Kind | Chip pad | Functions | VIH | VIL | VOH | VOL | IOH | IOL | 5 V tolerant |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 3V3 | J40 · 1 | power out | — | power_out | — | — | — | — | — | — | — |
| 5V | J40 · 2 | power out | — | power_out | — | — | — | — | — | — | — |
| I2C5_SDA | J40 · 3 | gpio | X5_390 | I2C5_SDA, UART3_TXD | — | — | — | — | — | — | no |
| 5V | J40 · 4 | power out | — | power_out | — | — | — | — | — | — | — |
| I2C5_SCL | J40 · 5 | gpio | X5_389 | I2C5_SCL, UART3_RXD | — | — | — | — | — | — | no |
| GND | J40 · 6 | ground | — | ground | — | — | — | — | — | — | — |
| I2S1_MCLK | J40 · 7 | gpio | X5_420 | I2S1_MCLK | — | — | — | — | — | — | no |
| UART_TXD | J40 · 8 | gpio | X5_383 | UART1_TXD | — | — | — | — | — | — | no |
| GND | J40 · 9 | ground | — | ground | — | — | — | — | — | — | — |
| UART_RXD | J40 · 10 | gpio | X5_384 | UART1_RXD | — | — | — | — | — | — | no |
| GPIO17 | J40 · 11 | gpio | X5_380 | UART7_TXD | — | — | — | — | — | — | no |
| I2S1_BCLK | J40 · 12 | gpio | X5_421 | I2S1_BCLK | — | — | — | — | — | — | no |
| GPIO27 | J40 · 13 | gpio | X5_379 | UART7_RXD | — | — | — | — | — | — | no |
| GND | J40 · 14 | ground | — | ground | — | — | — | — | — | — | — |
| GPIO22 | J40 · 15 | gpio | X5_388 | UART2_TXD | — | — | — | — | — | — | no |
| GPIO23 | J40 · 16 | gpio | X5_382 | UART7_RTS, UART6_TXD | — | — | — | — | — | — | no |
| 3V3 | J40 · 17 | power out | — | power_out | — | — | — | — | — | — | — |
| GPIO24 | J40 · 18 | gpio | X5_402 | SPI2_MOSI, LSIO_PWM_OUT3 | — | — | — | — | — | — | no |
| SPI1_MOSI | J40 · 19 | gpio | X5_398 | SPI1_MOSI | — | — | — | — | — | — | no |
| GND | J40 · 20 | ground | — | ground | — | — | — | — | — | — | — |
| SPI1_MISO | J40 · 21 | gpio | X5_397 | SPI1_MISO | — | — | — | — | — | — | no |
| GPIO25 | J40 · 22 | gpio | X5_387 | UART2_RXD | — | — | — | — | — | — | no |
| SPI1_SCLK | J40 · 23 | gpio | X5_395 | SPI1_SCLK | — | — | — | — | — | — | no |
| SPI1_CSN1 | J40 · 24 | gpio | X5_394 | SPI1_CSN1 | — | — | — | — | — | — | no |
| GND | J40 · 25 | ground | — | ground | — | — | — | — | — | — | — |
| SPI1_CSN0 | J40 · 26 | gpio | X5_396 | SPI1_CSN0 | — | — | — | — | — | — | no |
| I2C0_SDA | J40 · 27 | gpio | X5_355 | I2C0_SDA, LSIO_PWM_OUT5 | — | — | — | — | — | — | no |
| I2C0_SCL | J40 · 28 | gpio | X5_354 | I2C0_SCL, LSIO_PWM_OUT4 | — | — | — | — | — | — | no |
| GPIO5 | J40 · 29 | gpio | X5_399 | SPI2_SCLK, LSIO_PWM_OUT0 | — | — | — | — | — | — | no |
| GND | J40 · 30 | ground | — | ground | — | — | — | — | — | — | — |
| GPIO6 | J40 · 31 | gpio | X5_400 | SPI2_SSN, LSIO_PWM_OUT1 | — | — | — | — | — | — | no |
| PWM6 | J40 · 32 | gpio | X5_356 | PWM6, I2C1_SCL | — | — | — | — | — | — | no |
| PWM7 | J40 · 33 | gpio | X5_357 | PWM7, I2C1_SDA | — | — | — | — | — | — | no |
| GND | J40 · 34 | ground | — | ground | — | — | — | — | — | — | — |
| I2S1_LRCK | J40 · 35 | gpio | X5_422 | I2S1_LRCK | — | — | — | — | — | — | no |
| GPIO16 | J40 · 36 | gpio | X5_381 | UART7_CTS, UART6_RXD | — | — | — | — | — | — | no |
| GPIO26 | J40 · 37 | gpio | X5_401 | SPI2_MISO, LSIO_PWM_OUT2 | — | — | — | — | — | — | no |
| I2S1_SDIN | J40 · 38 | gpio | X5_423 | I2S1_SDIN | — | — | — | — | — | — | no |
| GND | J40 · 39 | ground | — | ground | — | — | — | — | — | — | — |
| I2S1_SDOUT | J40 · 40 | gpio | X5_424 | I2S1_SDOUT | — | — | — | — | — | — | no |

## Where to buy

| Supplier | Price | Stock | Checked | URL |
| --- | --- | --- | --- | --- |
| www.dfrobot.com | 190 USD | in_stock | 2026-09-28 | https://www.dfrobot.com/product-2944.html |

## FAQ

**What microcontroller does the D-Robotics RDK X5 8GB use?**

The D-Robotics RDK X5 8GB is built around the Sunrise 5.

**How many GPIO pins does the D-Robotics RDK X5 8GB have?**

28 GPIO pins are exposed. Xirkit documents 40 board pins, 0 of them with pin-level electrical limits.

**Are the D-Robotics RDK X5 8GB I/O pins 5 V tolerant?**

No. The I/O pins are not 5 V tolerant — they run at 3.3 V logic; use a level shifter for 5 V signals.

**What voltage powers the D-Robotics RDK X5 8GB?**

Supply range 5–5 V.

**How much does the D-Robotics RDK X5 8GB cost?**

From $190 at www.dfrobot.com. Prices are observed unit prices before tax and shipping.

**What are the D-Robotics RDK X5 8GB dimensions?**

85 × 56 × 1.6 mm. A STEP model is available for enclosure fit checks.

**Which interfaces does the D-Robotics RDK X5 8GB support?**

i2c, uart, i2s, spi, pwm.

**How do I program the D-Robotics RDK X5 8GB?**

Supported frameworks: Ubuntu 22.04, TogetheROS.Bot, OpenExplore.

**Where does this D-Robotics RDK X5 8GB data come from?**

Every value in this record is traced to a source — 2 documents including the board and chip datasheets — with the page and table cited per value. Unknowns are left explicit, never guessed.

## Sources

- [D-Robotics RDK X5 8GB datasheet](https://archive.d-robotics.cc/downloads/en/hardware/rdk_x5/d_robotics_rdk_x5_en_v1_1.pdf)
- [www.dfrobot.com listing](https://www.dfrobot.com/product-2944.html)

## Part graph

### Built from

- [Sunrise 5](https://www.xirkit.io/products/category/dev-boards/sunrise-5) — main processor on the D-Robotics RDK X5 8GB

### Alternatives (by use case)

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