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
2 Pin Definitions
10
9
8
7
6
5
4
3
2
1
VDET_1
CHIP_PU
SENSOR_VN
SENSOR_CAPN
SENSOR_CAPP
SENSOR_VP
VDD3P3
VDD3P3
LNA_IN
VDDA
25
26
27
28
29
30
31
32
33
34
GPIO16
VDD_SDIO
GPIO5
VDD3P3_CPU
GPIO19
39
40
41
42
43
44
45
46
47
48
GPIO22
U0RXD
U0TXD
GPIO21
XTAL_N
XTAL_P
VDDA
CAP2
CAP1
GPIO2
24
MTDO
23
22
21
20
19
18
17
16
15
MTCK
VDD3P3_RTC
MTDI
MTMS
GPIO27
GPIO26
GPIO25
32K_XN
SD_DATA_2
SD_DATA_3
SD_CMD
SD_CLK
SD_DATA_0
SD_DATA_1
GPIO4
GPIO0
VDDA
GPIO1732K_XP
VDET_2
GPIO18
GPIO23
11
12
13
14
35
36
37
38
ESP32
49 GND
Figure 3: ESP32 Pin Layout (QFN 5*5, Top View)
Note:
For details on ESP32’s part numbers and the corresponding packaging, please refer to Section 7 Part Number and Ordering
Information.
Espressif Systems 14
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ESP32 Series Datasheet v3.5