Espressif Systems ESP32-C3

ESP32-C3 is a single-core Wi-Fi and Bluetooth^® 5 Low Energy (BLE5) MCU, based on the open-source RISC-V architecture. It strikes the right balance of power, I/O capabilities, and security, thus offering the optimal cost-effective solution for connected devices.

The availability of Wi-Fi and Bluetooth 5 (LE) connectivity not only makes the device's configuration easy but also facilitates a variety of use-cases based on dual connectivity.

Key features

• State-of-the-art power and RF performance
• Unparalleled security for your connected devices
• Cost-effective
• Wi-Fi and Bluetooth 5 (LE) connectivity

Additional features

• CPU and memory:
  • 32-bit RISC-V single-core processor, up to 160 MHz
  • 384 KB ROM
  • 400 KB SRAM (16 KB for cache)
  • 8 KB SRAM in RTC
• Interfaces:
  • 22 programmable GPIOs, SPI, UART, I2C, I2S, LED PWM, TWAI, full-speed USB Serial/JTAG controller
• Wi-Fi:
  • IEEE 802.11 b/g/n-compliant
  • Supports 20 MHz, 40 MHz bandwidth in 2.4 GHz band
  • 1T1R mode with data rate up to 150 Mbps
• Bluetooth:
  • Bluetooth LE: Bluetooth 5, Bluetooth mesh
  • Speed: 125 Kbps, 500 Kbps, 1 Mbps, 2 Mbps
  • Advertising extensions
• Security:
  • RSA-3072-based secure boot
  • AES-128-XTS-based flash encryption
  • Digital signature peripheral and the HMAC peripheral
  • Hardware acceleration support for cryptographic algorithms

Applications

• Smart-home connectivity: supports mesh network
• Industrial and lighting use-cases
• Battery-operated devices
• Wearable devices
• Retail/catering applications: POS machines, service robots