Data Sheet
Table Of Contents
- 1 Overview
- 2 Pin Definitions
- 3 Functional Description
- 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
- 4.1 Descriptions of Peripherals and Sensors
- 5 Electrical Characteristics
- 6 Package Information
- 7 Part Number and Ordering Information
- 8 Learning Resources
- Appendix A – ESP32 Pin Lists
- Revision History
Revision History
Date Version Release notes
2018.05 V2.2
• Changed the voltage range of VDD3P3_RTC from 1.8-3.6V to 2.3-3.6V in
Table 1: Pin Description;
• Updated Section 2.3: Power Scheme;
• Updated Section 3.1.3: External Flash and SRAM;
• Updated Table 6: Power Consumption by Power Modes;
• Deleted content about temperature sensor;
Changes to electrical characteristics:
• Updated Table 11: Absolute Maximum Ratings;
• Added Table 12: Recommended Operating Conditions;
• Added Table 13: DC Characteristics;
• Added Table 14: Reliability Qualifications;
• Updated the values of ”Gain control step” and ”Adjacent channel transmit
power” in Table 18: Transmitter Characteristics - Basic Data Rate;
• Updated the values of ”Gain control step”, ”π/4 DQPSK modulation accu-
racy”, ”8 DPSK modulation accuracy” and ”In-band spurious emissions” in
Table 20: Transmitter Characteristics – Enhanced Data Rate;
• Updated the values of ”Gain control step”, ”Adjacent channel transmit
power” in Table 22: Transmitter Characteristics - BLE.
2018.01 V2.1
• Deleted software-specific features;
• Deleted information on LNA pre-amplifier;
• Specified the CPU speed and flash speed of ESP32-D2WD;
• Added notes to Section 2.3: Power Scheme.
2017.12 V2.0 Added a note on the sequence of pin number in Chapter 6.
2017.10 V1.9
• Updated the description of the pin CHIP_PU in Table 1;
• Added a note to Section 2.3: Power Scheme;
• Updated the description of the chip’s system reset in Section 2.4: Strapping
Pins;
• Added a description of antenna diversity and selection to Section 3.5.1;
• Deleted ”Association sleep pattern” in Table 6 and added notes to Active
sleep and Modem-sleep.
2017.08 V1.8
• Added Table 4.2 in Section 4;
• Corrected a typo in Figure 1.
Espressif Systems 61
Submit Documentation Feedback
ESP32 Series Datasheet v3.5