ESP32 Series
Datasheet
Including:
ESP32-D0WD
ESP32-D0WDQ6
ESP32-D2WD
ESP32-S0WD
Version 3.0
Espressif Systems
Copyright © 2019
www.espressif.com
About This Guide
This document provides the specifications of ESP32 family of chips.
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Copyright © 2019 Espressif Inc. All rights reserved.
Contents
1 Overview
1.1
Featured Solutions
1.1.1 Ultra-Low-Power Solution
1.1.2 Complete Integration Solution
1.2
1.3
1.4
Wi-Fi Key Features
BT Key Features
MCU and Advanced Features
1.4.1 CPU and Memory
1.4.2 Clocks and Timers
1.4.3 Advanced Peripheral Interfaces
1.4.4 Security
1.5
1.6
Applications (A Non-exhaustive List)
Block Diagram
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2 Pin Definitions
2.1
2.2
2.3
2.4
Pin Layout
Pin Description
Power Scheme
Strapping Pins
3 Functional Description
3.1
CPU and Memory
3.1.1 CPU
3.1.2 Internal Memory
3.1.3 External Flash and SRAM
3.1.4 Memory Map
3.2
Timers and Watchdogs
3.2.1 64-bit Timers
3.2.2 Watchdog Timers
3.3
System Clocks
3.3.1 CPU Clock
3.3.2 RTC Clock
3.3.3 Audio PLL Clock
3.4
Radio
3.4.1 2.4 GHz Receiver
3.4.2 2.4 GHz Transmitter
3.4.3 Clock Generator
3.5
Wi-Fi
3.5.1 Wi-Fi Radio and Baseband
3.5.2 Wi-Fi MAC
3.6
Bluetooth
3.6.1 Bluetooth Radio and Baseband
3.6.2 Bluetooth Interface
3.6.3 Bluetooth Stack
3.6.4 Bluetooth Link Controller
3.7
RTC and Low-Power Management
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4 Peripherals and Sensors
4.1
Descriptions of Peripherals and Sensors
4.1.1 General Purpose Input / Output Interface (GPIO)
4.1.2 Analog-to-Digital Converter (ADC)
4.1.3 Hall Sensor
4.1.4 Digital-to-Analog Converter (DAC)
4.1.5 Touch Sensor
4.1.6 Ultra-Low-Power Co-processor
4.1.7 Ethernet MAC Interface
4.1.8 SD/SDIO/MMC Host Controller
4.1.9 SDIO/SPI Slave Controller
4.1.10 Universal Asynchronous Receiver Transmitter (UART)
4.1.11 I²C Interface
4.1.12 I²S Interface
4.1.13 Infrared Remote Controller
4.1.14 Pulse Counter
4.1.15 Pulse Width Modulation (PWM)
4.1.16 LED PWM
4.1.17 Serial Peripheral Interface (SPI)
4.1.18 Accelerator
4.2
Peripheral Pin Configurations
5 Electrical Characteristics
5.1
5.2
5.3
5.4
5.5
5.6
5.7
Absolute Maximum Ratings
Recommended Operating Conditions
DC Characteristics (3.3 V, 25 °C)
Reliability Qualifications
RF Power-Consumption Specifications
Wi-Fi Radio
Bluetooth Radio
5.7.1 Receiver – Basic Data Rate
5.7.2 Transmitter – Basic Data Rate
5.7.3 Receiver – Enhanced Data Rate
5.7.4 Transmitter – Enhanced Data Rate
5.8
Bluetooth LE Radio
5.8.1 Receiver
5.8.2 Transmitter
6 Package Information
7 Part Number and Ordering Information
8 Learning Resources
8.1
Must-Read Documents
8.2
Must-Have Resources
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Appendix A – ESP32 Pin Lists
A.1. Notes on ESP32 Pin Lists
A.2. GPIO_Matrix
A.3. Ethernet_MAC
A.4. IO_MUX
Revision History
