Datasheet ESP32 (Espressif) - 2

About This Guide This document provides introduction to the specifications of ESP32 hardware. The document structure is as follows: Chapter Title Subject An overview of ESP32, including featured solutions, basic Chapter 1 Overview and advanced features, applications and development sup- port Chapter 2 Pin Definitions Introduction to the pin layout and descriptions Chapter 3 Functional Description Description of the major functional modules Chapter 4 Peripheral Interface Description of the peripheral interfaces integrated on ESP32 Chapter 5 Electrical Characteristics The electrical characteristics and data of ESP32 Chapter 6 Package Information The package details of ESP32 Chapter 7 Supported Resources The related documents and community resources for ESP32 Appendix Touch Sensor The touch sensor design and layout guidelines Release Notes Date Version Release notes 2016.08 V1.0 First release Disclaimer and Copyright Notice Information in this document, including URL references, is subject to change without notice. THIS DOCUMENT IS PROVIDED AS IS WITH NO WARRANTIES WHATSOEVER, INCLUDING ANY WARRANTY OF MERCHANTABIL- ITY, NON-INFRINGEMENT, FITNESS FOR ANY PARTICULAR PURPOSE, OR ANY WARRANTY OTHERWISE ARISING OUT OF ANY PROPOSAL, SPECIFICATION OR SAMPLE. All liability, including liability for infringement of any proprietary rights, relating to use of information in this docu- ment is disclaimed. No licenses express or implied, by estoppel or otherwise, to any intellectual property rights are granted herein. The Wi-Fi Alliance Member logo is a trademark of the Wi-Fi Alliance. The Bluetooth logo is a registered trademark of Bluetooth SIG. All trade names, trademarks and registered trademarks mentioned in this document are property of their respective owners, and are hereby acknowledged. Copyright © 2016 Espressif Inc. All rights reserved. Document Outline Overview Featured Solutions Ultra Low Power Solution Complete Integration Solution Basic Protocols Wi-Fi Bluetooth MCU and Advanced Features CPU and Memory Clocks and Timers Advanced Peripheral Interfaces Security Development Support Application Block Diagram Pin Definitions Pin Layout Pin Description Power Scheme Strapping Pins Functional Description CPU and Memory CPU Internal Memory External Flash and SRAM Memory Map Timers and Watchdogs 64-bit Timers Watchdog Timers System Clocks CPU Clock RTC Clock Audio PLL Clock Radio 2.4 GHz Receiver 2.4 GHz Transmitter Clock Generator Wi-Fi Wi-Fi Radio and Baseband Wi-Fi MAC Wi-Fi Firmware Packet Traffic Arbitration (PTA) Bluetooth Bluetooth Radio and Baseband Bluetooth Interface Bluetooth Stack Bluetooth Link Controller RTC and Low-Power Management Peripheral Interface General Purpose Input / Output Interface (GPIO) Analog-to-Digital Converter (ADC) Ultra Low Noise Analog Pre-Amplifier Hall Sensor Digital-to-Analog Converter (DAC) Temperature Sensor Touch Sensor Ultra-Lower-Power Coprocessor Ethernet MAC Interface SD/SDIO/MMC Host Controller Universal Asynchronous Receiver Transmitter (UART) I2C Interface I2S Interface Infrared Remote Controller Pulse Counter Pulse Width Modulation (PWM) LED PWM Serial Peripheral Interface (SPI) Accelerator Electrical Characteristics Absolute Maximum Ratings Recommended Operating Conditions RF Power Consumption Specifications Wi-Fi Radio Bluetooth Radio Receiver - Basic Data Rate Transmitter - Basic Data Rate Receiver - Enhanced Data Rate Transmitter - Enhanced Data Rate Bluetooth LE Radio Receiver Transmitter Package Information Supported Resources Related Documentation Community Resources Appendix A - Touch Sensor Appendix B - Code Examples