MCU:
• Built-in ESP32-C3FH4 or ESP32-C3FN4 chip, RISC-V 32-bit single-core microprocessor, the maximum frequency is 160MHz
• 4MB embedded flash
• 384KBROM
• 400KB SRAM (of which 16KB is dedicated to cache)
• 8KBRTCSRAM
WiFi:
• Support IEEE802.11b/g/n protocol
• Working channel center frequency range: 2412~2484MHz
• Supports 20MHz and 40MHz bandwidth in the 2.4GHz frequency band
• Support 1T1R mode, data rate up to 150Mbps
• Wireless Multimedia (WMM)
• Frame aggregation (TX/RXA-MPDU, TX/RXA-MSDU)
• Immediate Block ACK (ImmediateBlockACK)
• Fragmentation and reorganization (Fragmentationanddefragmentation)
• Transmission opportunity (Transmissionopportunity, TXOP)
• Beacon automatic monitoring (hardware TSF)
• 4 × virtual Wi-Fi interface
• Support infrastructure network (InfrastructureBSS) Station mode, SoftAP mode, Station+SoftAP mode and promiscuous mode at the same time. Please note that when the ESP32-C3 series scans in Station mode, the SoftAP channel will change at the same time
• Antenna diversity
• 802.11mcFTM
Bluetooth:
• Bluetooth Low Energy (BluetoothLE): Bluetooth5, Bluetoothmesh
• Rate support 125Kbps, 500Kbps, 1Mbps, 2Mbps
• Broadcast Extensions (AdvertisingExtensions)
• Multiple Advertisement (MultipleAdvertisementSets)
• Channel Selection (ChannelSelectionAlgorithm#2)
Hardware:
• Module interface: GPIO, SPI, UART, I2C, I2S, infrared remote control (remotecontrolperipheral), LEDPWM controller, general DMA controller, TWAI® controller (compatible with ISO11898-1), USB serial port/JTAG controller, temperature sensor , SAR A/D converter
• 40MHz integrated crystal oscillator
• Working environment temperature: —85°C version module: —40~85°C—105°C version module: -40~105°C
