Datasheet
Table Of Contents
- Product Overview
- 1 ESP32-C3 Series Comparison
- 2 Pin Definition
- 3 Functional Description
- 3.1 CPU and Memory
- 3.2 System Clocks
- 3.3 Analog Peripherals
- 3.4 Digital Peripherals
- 3.4.1 General Purpose Input / Output Interface (GPIO)
- 3.4.2 Serial Peripheral Interface (SPI)
- 3.4.3 Universal Asynchronous Receiver Transmitter (UART)
- 3.4.4 I2C Interface
- 3.4.5 I2S Interface
- 3.4.6 Remote Control Peripheral
- 3.4.7 LED PWM Controller
- 3.4.8 General DMA Controller
- 3.4.9 USB Serial/JTAG Controller
- 3.4.10 TWAI® Controller
- 3.5 Radio and Wi-Fi
- 3.6 Bluetooth LE
- 3.7 Low Power Management
- 3.8 Timers
- 3.9 Cryptographic Hardware Accelerators
- 3.10 Physical Security Features
- 3.11 Peripheral Pin Configurations
- 4 Electrical Characteristics
- 5 Package Information
- 6 Related Documentation and Resources
- Revision History
2 Pin Definition
2. Pin Definition
2.1 Pin Layout
1
2
3
4
5
6
7
8 17
18
19
20
21
22
23
24
9
10
11
12
13
14
15
16
27
28
29
30
31
32
26
25
GPIO10
GPIO9
GPIO8
MTDO
MTCK
VDD3P3_RTC
MTDI
MTMS
GPIO3
CHIP_EN
GPIO2
XTAL_32K_N
XTAL_32K_P
VDD3P3
VDD3P3
LNA_IN
VDDA
VDDA
XTAL_P
XTAL_N
U0TXD
U0RXD
GPIO19
GPIO18
SPID
SPICLK
SPICS0
SPIWP
SPIHD
VDD_SPI
VDD3P3_CPU
ESP32-C3
33 GND
SPIQ
Figure 3: ESP32C3 Pin Layout (Top View, Excluding ESP32C3FH4AZ)
Espressif Systems 10
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ESP32-C3 Series Datasheet v1.2