Datasheet ESP32-C3 (Espressif) - 6

link to page 2 link to page 3 link to page 5 link to page 12 link to page 12 link to page 12 link to page 13 link to page 14 link to page 14 link to page 16 link to page 19 link to page 19 link to page 21 link to page 22 link to page 23 link to page 25 link to page 26 link to page 26 link to page 26 link to page 27 link to page 29 link to page 30 link to page 31 link to page 31 link to page 33 link to page 33 link to page 33 link to page 33 link to page 33 link to page 33 link to page 34 link to page 35 Contents Note: Check the link or the QR code to make sure that you use the latest version of this document: https://www.espressif.com/documentation/esp32-c3_datasheet_en.pdf Contents Product Overview 2 Features 3 Applications 5 1 ESP32-C3 Series Comparison 12 1.1 Nomenclature 12 1.2 Comparison 12 1.3 Chip Revision 13 2 Pins 14 2.1 Pin Layout 14 2.2 Pin Overview 16 2.3 IO Pins 19 2.3.1 IO MUX Functions 19 2.3.2 Analog Functions 21 2.3.3 Restrictions for GPIOs 22 2.3.4 Peripheral Pin Assignment 23 2.4 Analog Pins 25 2.5 Power Supply 26 2.5.1 Power Pins 26 2.5.2 Power Scheme 26 2.5.3 Chip Power-up and Reset 27 2.6 Pin Mapping Between Chip and Flash 29 3 Boot Configurations 30 3.1 Chip Boot Mode Control 31 3.2 ROM Messages Printing Control 31 4 Functional Description 33 4.1 System 33 4.1.1 Microprocessor and Master 33 4.1.1.1 High-Performance CPU 33 4.1.1.2 GDMA Controller 33 4.1.2 Memory Organization 33 4.1.2.1 Internal Memory 34 4.1.2.2 External Memory 35 Espressif Systems 6 ESP32-C3 Series Datasheet v2.3 Submit Documentation Feedback Document Outline Product Overview Features Applications 1 ESP32-C3 Series Comparison 1.1 Nomenclature 1.2 Comparison 1.3 Chip Revision 2 Pins 2.1 Pin Layout 2.2 Pin Overview 2.3 IO Pins 2.3.1 IO MUX Functions 2.3.2 Analog Functions 2.3.3 Restrictions for GPIOs 2.3.4 Peripheral Pin Assignment 2.4 Analog Pins 2.5 Power Supply 2.5.1 Power Pins 2.5.2 Power Scheme 2.5.3 Chip Power-up and Reset 2.6 Pin Mapping Between Chip and Flash 3 Boot Configurations 3.1 Chip Boot Mode Control 3.2 ROM Messages Printing Control 4 Functional Description 4.1 System 4.1.1 Microprocessor and Master 4.1.1.1 High-Performance CPU 4.1.1.2 GDMA Controller 4.1.2 Memory Organization 4.1.2.1 Internal Memory 4.1.2.2 External Memory 4.1.2.3 Cache 4.1.2.4 eFuse Controller 4.1.3 System Components 4.1.3.1 IO MUX and GPIO Matrix 4.1.3.2 Reset 4.1.3.3 Clock 4.1.3.4 Interrupt Matrix 4.1.3.5 System Timer 4.1.3.6 Power Management Unit 4.1.3.7 Timer Group 4.1.3.8 Watchdog Timers 4.1.3.9 XTAL32K Watchdog Timers (XTWDT) 4.1.3.10 Permission Control 4.1.3.11 World Controller (WCL) 4.1.3.12 System Registers 4.1.3.13 Debug Assistant 4.1.4 Cryptography and Security Component 4.1.4.1 AES Accelerator 4.1.4.2 HMAC Accelerator 4.1.4.3 RSA Accelerator 4.1.4.4 SHA Accelerator 4.1.4.5 Digital Signature 4.1.4.6 External Memory Encryption and Decryption 4.1.4.7 Random Number Generator 4.1.4.8 Clock Glitch Detection 4.2 Peripherals 4.2.1 Connectivity Interface 4.2.1.1 UART Controller 4.2.1.2 SPI Controller 4.2.1.3 I2C Controller 4.2.1.4 I2S Controller 4.2.1.5 USB Serial/JTAG Controller 4.2.1.6 Two-wire Automotive Interface 4.2.1.7 LED PWM Controller 4.2.1.8 Remote Control Peripheral 4.2.2 Analog Signal Processing 4.2.2.1 SAR ADC 4.2.2.2 Temperature Sensor 4.3 Wireless Communication 4.3.1 Radio 4.3.1.1 2.4 GHz Receiver 4.3.1.2 2.4 GHz Transmitter 4.3.1.3 Clock Generator 4.3.2 Wi-Fi 4.3.2.1 Wi-Fi Radio and Baseband 4.3.2.2 Wi-Fi MAC 4.3.2.3 Networking Features 4.3.3 Bluetooth LE 4.3.3.1 Bluetooth LE PHY 4.3.3.2 Bluetooth LE Link Controller 5 Electrical Characteristics 5.1 Absolute Maximum Ratings 5.2 Recommended Operating Conditions 5.3 VDD_SPI Output Characteristics 5.4 DC Characteristics (3.3 V, 25 °C) 5.5 ADC Characteristics 5.6 Current Consumption 5.6.1 RF Current Consumption in Active Mode 5.6.2 Current Consumption in Other Modes 5.7 Memory Specifications 5.8 Reliability 6 RF Characteristics 6.1 Wi-Fi Radio 6.1.1 Wi-Fi RF Transmitter (TX) Characteristics 6.1.2 Wi-Fi RF Receiver (RX) Characteristics 6.2 Bluetooth 5 (LE) Radio 6.2.1 Bluetooth LE RF Transmitter (TX) Characteristics 6.2.2 Bluetooth LE RF Receiver (RX) Characteristics 7 Packaging ESP32-C3 Consolidated Pin Overview ESP32-C3 Chip Series Group Overview Datasheet Versioning Glossary Related Documentation and Resources Revision History