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
1 ESP32-C3 Series Comparison
1. ESP32C3 Series Comparison
1.1 ESP32C3 Series Nomenclature
ESP32-C3
F
H
x
Chip series
Flash
Flash temperature
H: High temperature
N: Normal temperature
Other Identification Code
AZ
Flash
Figure 2: ESP32C3 Series Nomenclature
1.2 Comparison
Table 1: ESP32C3 Series Comparison
Ordering Code Embedded Flash Ambient Temperature (°C) Package (mm) GPIO No.
ESP32-C3
1
— –40 ∼ 105 QFN32 (5*5) 22
ESP32-C3FN4 4 MB –40 ∼ 85 QFN32 (5*5) 22
ESP32-C3FH4 4 MB –40 ∼ 105 QFN32 (5*5) 22
ESP32-C3FH4AZ
2
4 MB –40 ∼ 105 QFN32 (5*5) 16
1
ESP32-C3 requires an external SPI flash.
2
For ESP32-C3FH4AZ, SPI0/SPI1 pins for flash connection are not bonded. For details, see Note 7
under Table 2 Pin Description.
Espressif Systems 9
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ESP32-C3 Series Datasheet v1.2