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ESP32-H2 SuperMini Dev Board pinout

All 22 pins of the ESP32-H2 SuperMini Dev Board, each mapped to the ESP32-H2FH4S pad it routes to, with its functions and — for 19 pins — the voltage and current limits from the chip datasheet.

22 pins19 with electrical limits1 power in1 ground1 power out19 gpio

ESP32-H2 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.15 table 15_1
GNDR2groundground
3V3R3power outpower_out
0L3gpioGPIO0GPIO0, FSPIQ2.475–3.6 V-0.3–0.825 V≥ 2.64 V≤ 0.33 V40 mA typ28 mA typno-0.3–3.6 VESP32-H2FH4S datasheet p.54 table 54_1
1L4gpioGPIO1ADC1_CH0, GPIO1, FSPICS02.475–3.6 V-0.3–0.825 V≥ 2.64 V≤ 0.33 V40 mA typ28 mA typno-0.3–3.6 VESP32-H2FH4S datasheet p.54 table 54_1
2L5gpioGPIO2ADC1_CH1, GPIO2, MTMS, FSPIWP2.475–3.6 V-0.3–0.825 V≥ 2.64 V≤ 0.33 V40 mA typ28 mA typno-0.3–3.6 VESP32-H2FH4S datasheet p.54 table 54_1
3L6gpioGPIO3ADC1_CH2, GPIO3, MTDO, FSPIHD2.475–3.6 V-0.3–0.825 V≥ 2.64 V≤ 0.33 V40 mA typ28 mA typno-0.3–3.6 VESP32-H2FH4S datasheet p.54 table 54_1
4L7gpioGPIO4ADC1_CH3, GPIO4, MTCK, FSPICLK2.475–3.6 V-0.3–0.825 V≥ 2.64 V≤ 0.33 V40 mA typ28 mA typno-0.3–3.6 VESP32-H2FH4S datasheet p.54 table 54_1
5L8gpioGPIO5ADC1_CH4, GPIO5, MTDI, FSPID2.475–3.6 V-0.3–0.825 V≥ 2.64 V≤ 0.33 V40 mA typ28 mA typno-0.3–3.6 VESP32-H2FH4S datasheet p.54 table 54_1
8L9gpioGPIO8onboard WS2812 RGB LED, strapping (boot mode / ROM log), floating by default, GPIO82.475–3.6 V-0.3–0.825 V≥ 2.64 V≤ 0.33 V40 mA typ28 mA typno-0.3–3.6 VESP32-H2FH4S datasheet p.54 table 54_1
9R9gpioGPIO9BOOT button (low at reset = download mode), strapping (boot mode), weak pull-up, GPIO92.475–3.6 V-0.3–0.825 V≥ 2.64 V≤ 0.33 V40 mA typ28 mA typno-0.3–3.6 VESP32-H2FH4S datasheet p.54 table 54_1
10R8gpioGPIO10ZCD0 (zero-cross detect), GPIO102.475–3.6 V-0.3–0.825 V≥ 2.64 V≤ 0.33 V40 mA typ28 mA typno-0.3–3.6 VESP32-H2FH4S datasheet p.54 table 54_1
11R7gpioGPIO11ZCD1 (zero-cross detect), GPIO112.475–3.6 V-0.3–0.825 V≥ 2.64 V≤ 0.33 V40 mA typ28 mA typno-0.3–3.6 VESP32-H2FH4S datasheet p.54 table 54_1
12R6gpioGPIO12GPIO122.475–3.6 V-0.3–0.825 V≥ 2.64 V≤ 0.33 V40 mA typ28 mA typno-0.3–3.6 VESP32-H2FH4S datasheet p.54 table 54_1
13R5gpioGPIO13blue user LED, XTAL_32K_P, GPIO132.475–3.6 V-0.3–0.825 V≥ 2.64 V≤ 0.33 V40 mA typ28 mA typno-0.3–3.6 VESP32-H2FH4S datasheet p.54 table 54_1
14R4gpioGPIO14XTAL_32K_N, GPIO142.475–3.6 V-0.3–0.825 V≥ 2.64 V≤ 0.33 V40 mA typ28 mA typno-0.3–3.6 VESP32-H2FH4S datasheet p.54 table 54_1
22inner padgpioGPIO22GPIO222.475–3.6 V-0.3–0.825 V≥ 2.64 V≤ 0.33 V40 mA typ28 mA typno-0.3–3.6 VESP32-H2FH4S datasheet p.54 table 54_1
24L1gpioGPIO24TX (UART0), GPIO24, U0TXD, FSPICS22.475–3.6 V-0.3–0.825 V≥ 2.64 V≤ 0.33 V40 mA typ28 mA typno-0.3–3.6 VESP32-H2FH4S datasheet p.54 table 54_1
23L2gpioGPIO23RX (UART0), GPIO23, U0RXD, FSPICS12.475–3.6 V-0.3–0.825 V≥ 2.64 V≤ 0.33 V40 mA typ28 mA typno-0.3–3.6 VESP32-H2FH4S datasheet p.54 table 54_1
25inner padgpioGPIO25strapping (JTAG source), floating by default, GPIO25, FSPICS32.475–3.6 V-0.3–0.825 V≥ 2.64 V≤ 0.33 V40 mA typ28 mA typno-0.3–3.6 VESP32-H2FH4S datasheet p.54 table 54_1
26inner padgpioGPIO26USB_D-, GPIO26, FSPICS42.475–3.6 V-0.3–0.825 V≥ 2.64 V≤ 0.33 V40 mA typ28 mA typno-0.3–3.6 VESP32-H2FH4S datasheet p.54 table 54_1
27inner padgpioGPIO27USB_D+, GPIO27, FSPICS52.475–3.6 V-0.3–0.825 V≥ 2.64 V≤ 0.33 V40 mA typ28 mA typno-0.3–3.6 VESP32-H2FH4S datasheet p.54 table 54_1

ESP32-H2 SuperMini Dev Board overview · All development boards

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