ESP32C6 pinout

Schematic

Pin	Name	Net	Direction	Function
1	GND	Power
2	3V3	Power
3	EN	EN	Input	Enable signal from the CH32V203
4	IO4	LORA_DIO1	Input	LoRa IRQ (Interrupt)
5	IO5	LORA_BUSY	Input	LoRa Busy Signal
6	IO6	I2C_SDA	Bidirectional	I2C Data Line
7	IO7	I2C_SCL	Input	I2C Clock Line
8	IO0	LORA_SCK	Input	LoRa SPI Clock
9	IO1	LORA_CS	Output	LoRa SPI Chip Select
10	IO8	INT	Output	Interrupt line to ESP32-P4
11	IO10	LORA_RESET	Output	LoRa Reset
12	GND	Power
13	IO12	C6_USB1_N	Bidirectional	Via USB hub to USB-C port
14	IO13	C6_USB1_P	Bidirectional	Via USB hub to USB-C port
15	IO9	BOOT	Input	BOOT mode select and VUSB (USB-A power) enable line
16	IO18	SDIO_CMD	Bidirectional	SDIO bus to P4 Command
17	IO19	SDIO_CLK	Output	SDIO bus to P4 Clock
18	IO20	SDIO_DATA0	Bidirectional	SDIO bus to P4 Data Line 0
19	IO21	SDIO_DATA1	Bidirectional	SDIO bus to P4 Data Line 1
20	IO22	SDIO_DATA2	Bidirectional	SDIO bus to P4 Data Line 2
21	IO23	SDIO_DATA3	Bidirectional	SDIO bus to P4 Data Line 3
22	NC
23	IO15	IR_LED	Output	Infrared LED Control
24	RXD0	RX	Input	UART to P4 Receive
25	TXD0	TX	Output	UART to P4 Transmit
26	IO3	LORA_MISO	Input	LoRa SPI MISO
27	IO2	LORA_MOSI	Output	LoRa SPI MOSI
28	GND	Power
29	GND	Power