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ESP32-C3 SuperMini Dev Board pinout

All 16 pins of the ESP32-C3 SuperMini Dev Board, each mapped to the ESP32-C3FN4 pad it routes to, with its functions and — for 13 pins — the voltage and current limits from the chip datasheet.

16 pins13 with electrical limits2 power in1 ground13 gpio

ESP32-C3 SuperMini Dev Board pins, functions and electrical limits

VIH/VIL: input thresholds · VOH/VOL: output levels · IOH/IOL: output current. Values apply to the chip pad each pin routes to, under the conditions cited in the source.
PinPositionKindChip padFunctionsVIHVILVOHVOLIOHIOL5 V tolerantAbs maxSource
5VR1power inpower_inp.6
GR2groundground
3.3R3power inpower_inp.6
4R4gpioGPIO4SCK (Arduino default), A4, ADC1_CH4, FSPI_HD, MTMS, GPIO4, GPIO matrix (any routable peripheral signal)2.475–3.6 V-0.3–0.825 V≥ 2.64 V≤ 0.33 V40 mA typ28 mA typno-0.3–3.6 VESP32-C3 datasheet p.55 table 55_2
3R5gpioGPIO3ADC1_CH3, GPIO3, GPIO matrix (any routable peripheral signal)2.475–3.6 V-0.3–0.825 V≥ 2.64 V≤ 0.33 V40 mA typ28 mA typno-0.3–3.6 VESP32-C3 datasheet p.55 table 55_2
2R6gpioGPIO2ADC1_CH2, SPI2_MISO, Strapping, GPIO2, FSPIQ, GPIO matrix (any routable peripheral signal)2.475–3.6 V-0.3–0.825 V≥ 2.64 V≤ 0.33 V40 mA typ28 mA typno-0.3–3.6 VESP32-C3 datasheet p.55 table 55_2
1R7gpioGPIO1ADC1_CH1, GPIO1, XTAL_32K_N, GPIO matrix (any routable peripheral signal)2.475–3.6 V-0.3–0.825 V≥ 2.64 V≤ 0.33 V40 mA typ28 mA typno-0.3–3.6 VESP32-C3 datasheet p.55 table 55_2
0R8gpioGPIO0ADC1_CH0, RTC_GPIO0, GPIO0, XTAL_32K_P, GPIO matrix (any routable peripheral signal)2.475–3.6 V-0.3–0.825 V≥ 2.64 V≤ 0.33 V40 mA typ28 mA typno-0.3–3.6 VESP32-C3 datasheet p.55 table 55_2
5L1gpioGPIO5MISO (Arduino default), A5, ADC2_CH0, FSPI_WP, RTC_GPIO5, MTDI, GPIO5, GPIO matrix (any routable peripheral signal)2.475–3.6 V-0.3–0.825 V≥ 2.64 V≤ 0.33 V40 mA typ28 mA typno-0.3–3.6 VESP32-C3 datasheet p.55 table 55_2
6L2gpioGPIO6MOSI (Arduino default), SPI2_SCK, FSPICLK, MTCK, GPIO6, GPIO matrix (any routable peripheral signal)2.475–3.6 V-0.3–0.825 V≥ 2.64 V≤ 0.33 V40 mA typ28 mA typno-0.3–3.6 VESP32-C3 datasheet p.55 table 55_2
7L3gpioGPIO7SS (Arduino default), SPI2_MOSI, FSPID, MTDO, GPIO7, GPIO matrix (any routable peripheral signal)2.475–3.6 V-0.3–0.825 V≥ 2.64 V≤ 0.33 V40 mA typ28 mA typno-0.3–3.6 VESP32-C3 datasheet p.55 table 55_2
8L4gpioGPIO8SDA (Arduino default), blue user LED, LED_BUILTIN, Strapping, GPIO8, GPIO matrix (any routable peripheral signal)2.475–3.6 V-0.3–0.825 V≥ 2.64 V≤ 0.33 V40 mA typ28 mA typno-0.3–3.6 VESP32-C3 datasheet p.55 table 55_2
9L5gpioGPIO9SCL (Arduino default), BOOT Button, Strapping, GPIO9, GPIO matrix (any routable peripheral signal)2.475–3.6 V-0.3–0.825 V≥ 2.64 V≤ 0.33 V40 mA typ28 mA typno-0.3–3.6 VESP32-C3 datasheet p.55 table 55_2
10L6gpioGPIO10SPI2_CS, FSPICS0, GPIO10, GPIO matrix (any routable peripheral signal)2.475–3.6 V-0.3–0.825 V≥ 2.64 V≤ 0.33 V40 mA typ28 mA typno-0.3–3.6 VESP32-C3 datasheet p.55 table 55_2
20L7gpioGPIO20RX (Serial default), U0_RXD, GPIO20, GPIO matrix (any routable peripheral signal)2.475–3.6 V-0.3–0.825 V≥ 2.64 V≤ 0.33 V40 mA typ28 mA typno-0.3–3.6 VESP32-C3 datasheet p.55 table 55_2
21L8gpioGPIO21TX (Serial default), U0_TXD, GPIO21, GPIO matrix (any routable peripheral signal)2.475–3.6 V-0.3–0.825 V≥ 2.64 V≤ 0.33 V40 mA typ28 mA typno-0.3–3.6 VESP32-C3 datasheet p.55 table 55_2

ESP32-C3 SuperMini Dev Board overview · All development boards

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