Datasheet

1 Module Overview
1 Module Overview
Note:
Check the link or the QR code to make sure that you use the latest version of this document:
https://espressif.com/sites/default/files/documentation/esp32-c3-wroom-02_datasheet_en.pdf
1.1 Features
CPU and OnChip Memory
• ESP32-C3 embedded, 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
WiFi
• IEEE 802.11 b/g/n-compliant
• Center frequency range of operating channel:
2412 ~ 2484 MHz
• 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
Note that when ESP32-C3 series scans in Station
mode, the SoftAP channel will change along with
the Station channel
• Antenna diversity
• 802.11mc FTM
Bluetooth
®
• Bluetooth LE: Bluetooth 5, Bluetooth mesh
• Speed: 125 Kbps, 500 Kbps, 1 Mbps, 2 Mbps
• Advertising extensions
• Multiple advertisement sets
• Channel selection algorithm #2
Peripherals
• GPIO, SPI, UART, I2C, I2S, remote control
peripheral, LED PWM controller, general DMA
controller, TWAI
®
controller (compatible with ISO
11898-1, i.e. CAN Specification 2.0), USB
Serial/JTAG controller, temperature sensor, SAR
ADC
Integrated Components on Module
• 40 MHz crystal oscillator
• 4 MB SPI flash
Antenna Options
• On-board PCB antenna
(ESP32-C3-WROOM-02)
• External antenna via a connector
(ESP32-C3-WROOM-02U)
Operating Conditions
• Operating voltage/Power supply: 3.0 ~ 3.6 V
• Operating ambient temperature:
Espressif Systems 2
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ESP32-C3-WROOM-02 & WROOM-02U Datasheet v1.0