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
Revision History
Date Version Release Notes
2021-01-18 v0.6
• Clarified that of the 400 KB SRAM, 16 KB is configured as cache;
• Updated maximum value to standard limit value in Table TX EVM Test in
Section 4.8.1 Wi-Fi RF Transmitter (TX) Specications.
2021-01-13 v0.5
• Updated information about Wi-Fi;
• Added connection between embedded flash ports and chip pins to ta-
ble notes in Section 2.2 Pin Description;
• Updated Figure ESP32-C3 Power Scheme, added Figure ESP32-C3
Power-up and Reset Timing and Table Description of ESP32-C3 Power-
up and Reset Timing Parameters in Section 2.3 Power Scheme;
• Added Figure Setup and Hold Times for the Strapping Pins and Table
Parameter Descriptions of Setup and Hold Times for the Strapping Pins in
Section 2.4 Strapping Pins;
• Updated Table Peripheral Pin Congurations in Section 3.11 Peripheral
Pin Congurations;
• Added Chapter 4 Electrical Characteristics;
• Added Chapter 5 Package Information.
2020-11-27 v0.4 Preliminary version.
Espressif Systems 44
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ESP32-C3 Series Datasheet v1.2