Espressif ESP32-C3 Wi-Fi + Bluetooth LE SoC Datasheet

Technical specification and data sheet for the Espressif ESP32-C3 System-on-Chip featuring a 32-bit RISC-V processor, Wi-Fi 802.11b/g/n, and Bluetooth 5.


Espressif ESP32-C3 Wi-Fi + Bluetooth LE SoC Datasheet - cover page
Brand
Espressif
Category
microcontrollers
Document type
Datasheet
Language
English
Pages
43
File format
PDF
File size
1.1 MB
Published
13 October, 2026
Updated
13 October, 2026
MD5 checksum
1636740BCE00FA5FDF129C589E0FA532

About this manual

This document provides technical specifications for the ESP32-C3, a System-on-Chip (SoC) integrating a 32-bit RISC-V microprocessor with IEEE 802.11b/g/n Wi-Fi and Bluetooth 5 Low Energy capabilities. It details system architecture, peripherals, wireless performance, and power modes.

What's inside

  • System Architecture
  • CPU and Cache
  • Wireless MAC and Baseband
  • Peripherals (GPIO, UART, SPI)
  • Security Features
  • Power Modes
  • Pin Configuration
  • Electrical Characteristics

Specifications

Processor CoreRISC-V 32-bit Microprocessor
Wi-Fi StandardIEEE 802.11b/g/n (2.4 GHz)
Bluetooth VersionBluetooth 5 (LE)
ROM Size384 KB

Frequently asked questions

How much SRAM is available on the ESP32-C3?

The chip includes 400 KB of SRAM.

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