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
3 Functional Description
Interface Signal Pin Function
USB OTG
D- GPIO19 (for internal PHY)
Full-speed USB OTG (USB OTG
supports both full-speed on-chip
PHY and external PHY)
D+ GPIO20 (for internal PHY)
VP MTMS (for external PHY)
VM MTDI (for external PHY)
RCV GPIO21 (for external PHY)
OEN MTDO (for external PHY)
VPO MTCK (for external PHY)
VMO GPIO38 (for external PHY)
USB
Serial/JTAG
controller
D- GPIO19 (for internal PHY)
Flash programming and CPU
debugging (USB Serial/JTAG
controller supports both
full-speed on-chip PHY and
external PHY)
D+ GPIO20 (for internal PHY)
VP MTMS (for external PHY)
VM MTDI (for external PHY)
OEN MTDO (for external PHY)
VPO MTCK (for external PHY)
VMO GPIO38 (for external PHY)
SD/MMC
Host Controller
SDHOST_CCLK_out_1~2
Any GPIO pins
Secure Digital (SD) memory
version 3.0.1 supported
SDHOST_RST_N_1~2
SD-
HOST_CCMD_OD_PULLUP_EN_N
SDIO_TOHOST_INT_out
SDHOST_CCMD_in/_out_1
SDHOST_CCMD_in/_out_2
SDHOST_CDATA_in/_out_10
SDHOST_CDATA_in/_out_11
SDHOST_CDATA_in/_out_12
SDHOST_CDATA_in/_out_13
SDHOST_CDATA_in/_out_14
SDHOST_CDATA_in/_out_15
SDHOST_CDATA_in/_out_16
SDHOST_CDATA_in/_out_17
SDHOST_CDATA_in/_out_20
SDHOST_CDATA_in/_out_21
SDHOST_CDATA_in/_out_22
SDHOST_CDATA_in/_out_23
SDHOST_CDATA_in/_out_24
SDHOST_CDATA_in/_out_25
SDHOST_CDATA_in/_out_26
SDHOST_CDATA_in/_out_27
SDHOST_DATA_STROBE_1~2
SDHOST_CARD_DETECT_N_1~2
SD-
HOST_CARD_WRITE_PRT_1~2
SDHOST_CARD_INT_N_1~2
Espressif Systems 49
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ESP32-S3 Series Datasheet v1.2