Espressif ESP32-S2 User Manual

Chapter 1. Get Started
J3
No. Name Type Function
1 G G Ground
2 TX I/O/T U0TXD, GPIO43, CLK_OUT1
3 RX I/O/T U0RXD, GPIO44, CLK_OUT2
4 1 I/O/T RTC_GPIO1, GPIO1, TOUCH1, ADC1_CH0
5 2 I/O/T RTC_GPIO2, GPIO2, TOUCH2, ADC1_CH1
6 42 I/O/T MTMS, GPIO42
7 41 I/O/T MTDI, GPIO41, CLK_OUT1
8 40 I/O/T MTDO, GPIO40, CLK_OUT2
9 39 I/O/T MTCK, GPIO39, CLK_OUT3
10 38 I/O/T GPIO38, FSPIWP
11 37 I/O/T SPIDQS, GPIO37, FSPIQ
12 36 I/O/T SPIIO7, GPIO36, FSPICLK
13 35 I/O/T SPIIO6, GPIO35, FSPID
14 0 I/O/T RTC_GPIO0, GPIO0
15 45 I/O/T GPIO45
16 34 I/O/T SPIIO5, GPIO34, FSPICS0
17 33 I/O/T SPIIO4, GPIO33, FSPIHD
18 21 I/O/T RTC_GPIO21, GPIO21
19 20 I/O/T RTC_GPIO20, GPIO20, U1CTS, ADC2_CH9, CLK_OUT1, USB_D+
20 19 I/O/T RTC_GPIO19, GPIO19, U1RTS, ADC2_CH8, CLK_OUT2, USB_D-
21 G G Ground
22 G G Ground
Fig. 13: ESP32-S2-DevKitC-1 Pin Layout (click to enlarge)
Pin Layout
Espressif Systems 19
Submit Document Feedback
Release v4.4

Espressif ESP32-S2 Specifications

General

Brand	Espressif
Model	ESP32-S2
Category	Single board computers
Language	English