Espressif Systems ESP32-C3-MINI-1-N4 - WI-2403-D

ESP32-C3-MINI-1 and ESP32-C3-MINI-1U are two general-purpose Wi-Fi and Bluetooth LE modules. The rich set of peripherals and a small size make the two modules an ideal choice for smart homes, industrial automation, health care, consumer electronics, etc.The two variants only differ in chip integrated and ambient operating temperature. In this datasheet unless otherwise stated, ESP32-C3-MINI-1 refers to both ESP32-C3-MINI-1-N4 and ESP32-C3-MINI-1-H4, whereas ESP32-C3-MINI-1U refers to both ESP32-C3-MINI-1U-N4 and ESP32-C3-MINI-1U-H4.

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The ESP32-C3FN4 chip and the ESP32-C3FH4 chip, both with a 4 MB flash, fall into the same category, namely ESP32-C3 chip series. ESP32-C3 series of chips have a 32-bit RISC-V single-core processor. They integrate a rich set of peripherals, ranging from UART, I2C, I2S, remote control peripheral, LED PWM controller, general DMA controller, TWAI® controller, USB Serial/JTAG controller, temperature sensor, and ADC. It also includes SPI, Dual SPI and Quad SPI interfaces.

• ESP32-C3FH4 or ESP32-C3FN4 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
• 4 MB embedded flash

• 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 LE: Bluetooth 5, Bluetooth mesh
• Speed: 125 Kbps, 500 Kbps, 1 Mbps, 2 Mbps
• Advertising extensions
• Multiple advertisement sets
• Channel selection algorithm #2

• GPIO, SPI, UART, I2C, I2S, remote control peripheral, LED PWM controller, general DMA controller, TWAI® controller (compatible with ISO 11898-1), USB Serial/JTAG controller, temperature sensor, SAR ADC Integrated Components on Module
• 40 MHz crystal oscillator

• On-board PCB antenna (ESP32-C3-MINI-1)
• External antenna via a connector (ESP32-C3-MINI-1U)

• Operating voltage/Power supply: 3.0 ~ 3.6 V
• Operating ambient temperature:
• – 85 °C version module: –40 ~ 85 °C
• – 105 °C version module: –40 ~ 105 °C