Datasheet
Table Of Contents
- Product Overview
- 1 ESP32-S3 Series Comparison
- 2 Pin Definition
- 3 Functional Description
- 3.1 CPU and Memory
- 3.2 RTC and Low-Power Management
- 3.3 Analog Peripherals
- 3.4 System Components
- 3.5 Digital Peripherals
- 3.5.1 IO MUX and GPIO Matrix
- 3.5.2 Serial Peripheral Interface (SPI)
- 3.5.3 LCD Interface
- 3.5.4 Camera Interface
- 3.5.5 UART Controller
- 3.5.6 I2C Interface
- 3.5.7 I2S Interface
- 3.5.8 Remote Control Peripheral
- 3.5.9 Pulse Count Controller
- 3.5.10 LED PWM Controller
- 3.5.11 USB 2.0 OTG Full-Speed Interface
- 3.5.12 USB Serial/JTAG Controller
- 3.5.13 Motor Control PWM (MCPWM)
- 3.5.14 SD/MMC Host Controller
- 3.5.15
- 3.6 Radio and Wi-Fi
- 3.7 Bluetooth LE
- 3.8 Timers and Watchdogs
- 3.9 Cryptography/Security Components
- 3.10 Peripheral Pin Configurations
- 4 Electrical Characteristics
- 5 Package Information
- 6 Related Documentation and Resources
- Revision History
2 Pin Definition
2.5 GPIO Functions
ESP32-S3 has 45 GPIO pins (numbering 22-25 is not used) which can be assigned various functions as listed in Table 5. The functions listed here are digital functions
(F0-F4). RTC functions and analog functions can be found in Table 2.
Table 5: GPIO Functions
GPIO Pin Name F0 Type F1 Type F2 Type F3 Type F4 Type At Reset After Reset Notes
0 GPIO0 GPIO0 I/O/T GPIO0 I/O/T - - - - - - IE1, WPU1 IE1, WPU1 R
1 GPIO1 GPIO1 I/O/T GPIO1 I/O/T - - - - - - IE1 IE1 R
2 GPIO2 GPIO2 I/O/T GPIO2 I/O/T - - - - - - IE1 IE1 R
3 GPIO3 GPIO3 I/O/T GPIO3 I/O/T - - - - - - IE1 IE1 R
4 GPIO4 GPIO4 I/O/T GPIO4 I/O/T - - - - - - IE0 IE0 R
5 GPIO5 GPIO5 I/O/T GPIO5 I/O/T - - - - - - IE0 IE0 R
6 GPIO6 GPIO6 I/O/T GPIO6 I/O/T - - - - - - IE0 IE0 R
7 GPIO7 GPIO7 I/O/T GPIO7 I/O/T - - - - - - IE0 IE0 R
8 GPIO8 GPIO8 I/O/T GPIO8 I/O/T - - SUBSPICS1 O/T - - IE0 IE0 R
9 GPIO9 GPIO9 I/O/T GPIO9 I/O/T - - SUBSPIHD I1/O/T FSPIHD I1/O/T IE0 IE1 R
10 GPIO10 GPIO10 I/O/T GPIO10 I/O/T FSPIIO4 I1/O/T SUBSPICS0 O/T FSPICS0 I1/O/T IE0 IE1 R
11 GPIO11 GPIO11 I/O/T GPIO11 I/O/T FSPIIO5 I1/O/T SUBSPID I1/O/T FSPID I1/O/T IE0 IE1 R
12 GPIO12 GPIO12 I/O/T GPIO12 I/O/T FSPIIO6 I1/O/T SUBSPICLK O/T FSPICLK I1/O/T IE0 IE1 R
13 GPIO13 GPIO13 I/O/T GPIO13 I/O/T FSPIIO7 I1/O/T SUBSPIQ I1/O/T FSPIQ I1/O/T IE0 IE1 R
14 GPIO14 GPIO14 I/O/T GPIO14 I/O/T FSPIDQS O/T SUBSPIWP I1/O/T FSPIWP I1/O/T IE0 IE1 R
15 XTAL_32K_P GPIO15 I/O/T GPIO15 I/O/T U0RTS O - - - - IE0 IE0 R
16 XTAL_32K_N GPIO16 I/O/T GPIO16 I/O/T U0CTS I1 - - - - IE0 IE0 R
17 GPIO17 GPIO17 I/O/T GPIO17 I/O/T U1TXD O - - - - IE0 IE1 R
18 GPIO18 GPIO18 I/O/T GPIO18 I/O/T U1RXD I1 CLK_OUT3 O - - IE0 IE1 R
19 GPIO19 GPIO19 I/O/T GPIO19 I/O/T U1RTS O CLK_OUT2 O - - IE0 IE0 R
20 GPIO20 GPIO20 I/O/T GPIO20 I/O/T U1CTS I1 CLK_OUT1 O - - IE0 IE0 R
21 GPIO21 GPIO21 I/O/T GPIO21 I/O/T - - - - - - IE0 IE0 R
26 SPICS1 SPICS1 O/T GPIO26 I/O/T - - - - - - IE1, WPU1 IE1, WPU1 -
27 SPIHD SPIHD I1/O/T GPIO27 I/O/T - - - - - - IE1, WPU1 IE1, WPU1 -
28 SPIWP SPIWP I1/O/T GPIO28 I/O/T - - - - - - IE1, WPU1 IE1, WPU1 -
29 SPICS0 SPICS0 O/T GPIO29 I/O/T - - - - - - IE1, WPU1 IE1, WPU1 -
Espressif Systems 17
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ESP32-S3 Series Datasheet v1.2