ESP32-C3FH4 Wi-Fi/BLE SoC
RISC-V Wi-Fi and Bluetooth LE SoC with in-package flash. QFN32 5x5mm pinout with IO MUX (F0-F2) and GPIO Matrix peripheral routing.
Aliase:ESP32-C3FH4AZ, ESP32-C3FH4X
QFN32 5x5mm Top View
33 Pins
Pinout Table33
| Pin | Signal / Name | Type | Alternative Functions |
|---|---|---|---|
| 1 | LNA_IN | Analog | RF LNA input |
| 2 | VDD3P3 | Power | 3.3 V power supply |
| 3 | VDD3P3 | Power | 3.3 V power supply |
| 4 | XTAL_32K_P | Digital | 32 kHz crystal oscillator input PADC1_CH0GPIO0 |
| 5 | XTAL_32K_N | Digital | 32 kHz crystal oscillator input NADC1_CH1GPIO1 |
| 6 | GPIO2 | Digital | GPIO2ADC1_CH2FSPIQ (SPI2 master in, slave out) |
| 7 | CHIP_EN | Digital | Chip enable |
| 8 | GPIO3 | Digital | GPIO3ADC1_CH3 |
| 9 | MTMS | Digital | JTAG test mode selectADC1_CH4GPIO4 |
| 10 | MTDI | Digital | JTAG test data inADC2_CH0GPIO5 |
| 11 | VDD3P3_RTC | Power | RTC 3.3 V power supply |
| 12 | MTCK | Digital | JTAG test clockGPIO6FSPICLK (SPI2 clock) |
| 13 | MTDO | Digital | JTAG test data outGPIO7FSPID (SPI2 master out, slave in) |
| 14 | GPIO8 | Digital | GPIO8 (strapping pin) |
| 15 | GPIO9 | Digital | GPIO9 (strapping pin) |
| 16 | GPIO10 | Digital | GPIO10FSPICS0 (SPI2 chip select) |
| 17 | VDD3P3_CPU | Power | CPU 3.3 V power supply |
| 18 | VDD_SPI | Power | Flash power supply (VDD_SPI)GPIO11 |
| 19 | SPIHD | Digital | SPI0/1 flash holdGPIO12 |
| 20 | SPIWP | Digital | SPI0/1 flash write protectGPIO13 |
| 21 | SPICS0 | Digital | SPI0/1 flash chip selectGPIO14 |
| 22 | SPICLK | Digital | SPI0/1 flash clockGPIO15 |
| 23 | SPID | Digital | SPI0/1 flash master out, slave inGPIO16 |
| 24 | SPIQ | Digital | SPI0/1 flash master in, slave outGPIO17 |
| 25 | GPIO18 | Digital | USB_D- (USB Serial/JTAG)GPIO18 |
| 26 | GPIO19 | Digital | USB_D+ (USB Serial/JTAG)GPIO19 |
| 27 | U0RXD | Digital | UART0 receive dataGPIO20 |
| 28 | U0TXD | Digital | UART0 transmit dataGPIO21 |
| 29 | XTAL_N | Analog | Crystal oscillator negative terminal |
| 30 | XTAL_P | Analog | Crystal oscillator positive terminal |
| 31 | VDDA | Power | Analog 3.3 V power supply |
| 32 | VDDA | Power | Analog 3.3 V power supply |
| 33 | GND | Ground | Ground (exposed pad) |