ESPRESSIF ESP32-C3

ESP32-C3 is an low-power and highly-integrated MCU-based solution that supports 2.4 GHz Wi-Fi and Bluetooth Low Energy (Bluetooth LE).

• 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
  • Wi-Fi Multimedia (WMM)
  • TX/RX A-MPDU, TX/RX A-MSDU
  • Immediate Block ACK
  • Fragmentation and defragmentation
  • Transmit opportunity (TXOP)
  • Automatic Beacon monitoring (hardware TSF)
  • 4× virtual Wi-Fi interfaces
  • Simultaneous support for Infrastructure BSS in Station mode, SoftAP mode, Station + SoftAP mode, and promiscuous mode
  • Antenna diversity
  • 802.11mc FTM
• Bluetooth:
  • Bluetooth LE: Bluetooth 5, Bluetooth mesh
  • High power mode (20 dBm)
  • Speed: 125 Kbps, 500 Kbps, 1 Mbps, 2 Mbps
  • Advertising extensions
  • Multiple advertisement sets
  • Channel selection algorithm #2
  • Internal co-existence mechanism between Wi-Fi and Bluetooth to share the same antenna
• CPU and Memory:
  • 32-bit RISC-V single-core processor, up to 160 MHz
  • CoreMark score: – 1 core at 160 MHz: 407.22 CoreMark; 2.55 CoreMark/MHz
  • 384 KB ROM
  • 400 KB SRAM (16 KB for cache)
  • 8 KB SRAM in RTC
  • In-package flash
  • SPI, Dual SPI, Quad SPI, and QPI interfaces that allow connection to multiple off-package flash
  • Access to flash accelerated by cache
  • Supports flash in-Circuit Programming (ICP)
• Advanced Peripheral Interfaces:
  • 22 or 16 programmable GPIOs
  • Digital interfaces:
    • 3 × SPI
    • 2 × UART
    • 1 × I2C
    • 1 × I2S
    • Remote control peripheral, with 2 transmit channels and 2 receive channels
    • LED PWM controller, with up to 6 channels
    • Full-speed USB Serial/JTAG controller
    • General DMA controller (GDMA), with 3 transmit channels and 3 receive channels
    • 1×TWAI controller compatible with ISO 11898-1 (CAN Specification 2.0)
  • Analog interfaces:
    • 2×12-bit SAR ADCs, up to 6 channels
    • 1× temperature sensor
  • Timers:
    • 2×54-bit general-purpose timers
    • 3× digital watchdog timers
    • 1× analog watchdog timer
    • 1×52-bit system timer
• Power Management:
  • Fine-resolution power control through a selection of clock frequency, duty cycle, Wi-Fi operating modes, and individual power control of internal components
  • Four power modes designed for typical scenarios: Active, Modem-sleep, Light-sleep, Deep-sleep
  • Power consumption in Deep-sleep mode is 5 µA
  • RTC memory remains powered on in Deep-sleep mode
• Security:
  • Secure boot - permission control on accessing internal and external memory
  • Flash encryption - memory encryption and decryption
  • 4096-bit OTP, up to 1792 bits for users
  • Cryptographic hardware acceleration:
    • AES-128/256 (FIPS PUB 197)
    • SHA Accelerator (FIPS PUB 180-4)
    • RSA Accelerator
    • Random Number Generator (RNG)
    • HMAC
    • Digital signature
• RF Module:
  • Antenna switches, RF balun, power amplifier, low-noise receive amplifier
  • Up to +21 dBm of power for an 802.11b transmission
  • Up to +20 dBm of power for an 802.11n transmission
  • Up to -105 dBm of sensitivity for Bluetooth LE receiver (125 Kbps)

• Smart Home
• Industrial Automation
• Health Care
• Consumer Electronics
• Smart Agriculture
• POS machines
• Service robot
• Audio Devices
• Generic Low-power IoT Sensor Hubs
• Generic Low-power IoT Data Loggers