Espressif ESP32-S3 Series User Manual (English)

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CONFIDENTIAL

ESP32S3 Series

Hardware Design Guidelines

Introduction

Hardware design guidelines give advice on how to integrate ESP32-S3 into other products.

ESP32-S3 is a series of high-performance Wi-Fi and Bluetooth

5 (LE) SoCs.

These guidelines will help to ensure optimal performance of your product with respect to tech-

nical accuracy and conformity to Espressif’s standards.

Version 1.0

Espressif Systems

www.espressif.com

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Espressif ESP32-S3 Series Specifications

General

Clock Speed	up to 240 MHz
SRAM	512 KB
PSRAM	up to 8 MB
Wi-Fi	802.11 b/g/n
Bluetooth	Bluetooth 5, Bluetooth LE
GPIO	up to 45
PWM	up to 16 channels
Operating Voltage	3.0V to 3.6V
DMA	Yes
Flash Memory	up to 16 MB
ADC	2 × 12-bit SAR ADC, up to 20 channels
DAC	2 x 8-bit DAC
SPI	4 × SPI
UART	3 × UART
Temperature Range	-40°C to 85°C
Security	Secure boot, flash encryption
Timers	4 × 64-bit general-purpose timers, 1 × watchdog timer
I2S	2 × I2S
USB	USB OTG
CPU	Xtensa® dual-core 32-bit LX7 microprocessor