Chapter 1. Get Started
Fig. 8: ESP32-S2-DevKitM-1(U) (click to enlarge)
Header Block The two tables below provide the Name and Function of the pin headers on both sides of the board
(J1 and J3). The pin header names are shown in ESP32-S2-DevKitM-1 - front. The numbering is the same as in the
ESP32-S2-DevKitM-1(U) Schematics (PDF).
J1
No. Name Type
1
Function
1 3V3 P 3.3 V power supply
2 0 I/O/T RTC_GPIO0, GPIO0
3 1 I/O/T RTC_GPIO1, GPIO1, TOUCH1, ADC1_CH0
4 2 I/O/T RTC_GPIO2, GPIO2, TOUCH2, ADC1_CH1
5 3 I/O/T RTC_GPIO3, GPIO3, TOUCH3, ADC1_CH2
6 4 I/O/T RTC_GPIO4, GPIO4, TOUCH4, ADC1_CH3
7 5 I/O/T RTC_GPIO5, GPIO5, TOUCH5, ADC1_CH4
8 6 I/O/T RTC_GPIO6, GPIO6, TOUCH6, ADC1_CH5
9 7 I/O/T RTC_GPIO7, GPIO7, TOUCH7, ADC1_CH6
10 8 I/O/T RTC_GPIO8, GPIO8, TOUCH8, ADC1_CH7
11 9 I/O/T RTC_GPIO9, GPIO9, TOUCH9, ADC1_CH8, FSPIHD
12 10 I/O/T RTC_GPIO10, GPIO10, TOUCH10, ADC1_CH9, FSPICS0, FSPIIO4
13 11 I/O/T RTC_GPIO11, GPIO11, TOUCH11, ADC2_CH0, FSPID, FSPIIO5
14 12 I/O/T RTC_GPIO12, GPIO12, TOUCH12, ADC2_CH1, FSPICLK, FSPIIO6
15 13 I/O/T RTC_GPIO13, GPIO13, TOUCH13, ADC2_CH2, FSPIQ, FSPIIO7
16 14 I/O/T RTC_GPIO14, GPIO14, TOUCH14, ADC2_CH3, FSPIWP, FSPIDQS
17 15 I/O/T RTC_GPIO15, GPIO15, U0RTS, ADC2_CH4, XTAL_32K_P
18 16 I/O/T RTC_GPIO16, GPIO16, U0CTS, ADC2_CH5, XTAL_32K_N
19 17 I/O/T RTC_GPIO17, GPIO17, U1TXD, ADC2_CH6, DAC_1
20 5V P 5 V power supply
21 G G Ground
P: Power supply; I: Input; O: Output; T: High impedance.
Espressif Systems 13
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