ESP32-C6-DevKitM-1

Official Espressif ESP32-C6-DevKitM-1 board record: ESP32-C6-MINI-1/-1U module (C6FH4, 4 MB flash in package), dual Type-C ports (native USB Serial/JTAG + UART bridge), RGB LED on GPIO8, five strapping pins, and the complete J1/J3 mapping (30 contacts) with fixed official sources.

No.	Name	Type	GPIO	Function
1	3V3	P		3.3 V power supply
2	RST	I		High: power up; Low: power down
3	2	I/O/T	2	GPIO2, LP_GPIO2, LP_UART_RTSN, ADC1_CH2, FSPIQ
4	3	I/O/T	3	GPIO3, LP_GPIO3, LP_UART_CTSN, ADC1_CH3
5	4	I/O/T	4	MTMS, GPIO4, LP_GPIO4, LP_UART_RXD, ADC1_CH4, FSPIHD
6	5	I/O/T	5	MTDI, GPIO5, LP_GPIO5, LP_UART_TXD, ADC1_CH5, FSPIWP
7	0/N	I/O/T	0	GPIO0, XTAL_32K_P, LP_GPIO0, LP_UART_DTRN, ADC1_CH0
8	1/N	I/O/T	1	GPIO1, XTAL_32K_N, LP_GPIO1, LP_UART_DSRN, ADC1_CH1
9	8	I/O/T	8	GPIO8; drives the on-board addressable RGB LED
10	6	I/O/T	6	MTCK, GPIO6, LP_GPIO6, LP_I2C_SDA, ADC1_CH6, FSPICLK
11	7	I/O/T	7	MTDO, GPIO7, LP_GPIO7, LP_I2C_SCL, FSPID
12	14	I/O/T	14	GPIO14
13	G	G		Ground
14	5V	P		5 V power supply
15	G	G		Ground

No.	Name	Type	GPIO	Function
1	G	G		Ground
2	TX	I/O/T	16	U0TXD, GPIO16, FSPICS0
3	RX	I/O/T	17	U0RXD, GPIO17, FSPICS1
4	23	I/O/T	23	GPIO23, SDIO_DATA3
5	22	I/O/T	22	GPIO22, SDIO_DATA2
6	21	I/O/T	21	GPIO21, SDIO_DATA1, FSPICS5
7	20	I/O/T	20	GPIO20, SDIO_DATA0, FSPICS4
8	19	I/O/T	19	GPIO19, SDIO_CLK, FSPICS3
9	18	I/O/T	18	GPIO18, SDIO_CMD, FSPICS2
10	15	I/O/T	15	GPIO15 (strapping pin)
11	9	I/O/T	9	GPIO9 (strapping pin)
12	G	G		Ground
13	13	I/O/T	13	GPIO13, USB_D+ (native USB)
14	12	I/O/T	12	GPIO12, USB_D- (native USB)
15	G	G		Ground

The ESP32-C6-DevKitM-1 is Espressif's entry-level ESP32-C6 evaluation board, assembled with an ESP32-C6-MINI-1 or ESP32-C6-MINI-1U module (ESP32-C6FH4, 4 MB flash inside the chip package). This page renders the MCUID data record: identity, the single board revision, the dual USB ports, and the complete J1/J3 header mapping (30 contacts), each tied to a fixed official source. Ordering code: ESP32-C6-DevKitM-1-N4.

Identify your board

Board model — this page covers the official ESP32-C6-DevKitM-1 only. Check the silkscreen for the full part number; compact third-party C6 boards are different products.
Module — MINI-1 (PCB antenna) or MINI-1U (external antenna connector); both carry 4 MB flash integrated inside the chip package, so the board has no separate flash chip.
PCB revision / production boundary — one published hardware revision. The documented change boundary is PW-2023-06: boards produced on and after June 2023 use multi-point ADC calibration instead of two-point — relevant when you compare ADC accuracy numbers across board batches.

Two Type-C ports — which one for what

ESP32-C6 USB Type-C Port — wired to the chip's native USB Serial/JTAG controller (USB 2.0 full speed, up to 12 Mbps, no 480 Mbps mode). Power, flashing, and JTAG debugging all work through this single port with no bridge chip in the path.
USB Type-C to UART Port — through the on-board USB-to-UART bridge (up to 3 Mbps). Power and flashing; useful when a tool expects a plain serial port.

Either port powers the board; flashing works on both.

On-board RGB LED — GPIO8

An addressable RGB LED (WS2812-style) driven by GPIO8 (J1 contact 9). GPIO8 is also a strapping pin — see below.

Strapping pins: five of them

Per the official guide footnote, MTMS (GPIO4), MTDI (GPIO5), GPIO8, GPIO9, and GPIO15 are strapping pins of the ESP32-C6: their levels during power-up or reset select chip functions. External pulls on these lines at boot can change boot behavior. Details live in the ESP32-C6 datasheet's Strapping Pins section.

Boot mode, power, and current measurement

Hold BOOT, then press RST, to enter Firmware Download mode. Power regulation is a 5 V→3.3 V LDO. The J5 header isolates the module supply for current measurement: remove the jumper and route an ammeter through J5 to measure the module's draw.

Common questions this site answers

C6-DevKitM-1 or DevKitC-1 — which one?

Also known as: c6 devkitm-1, esp32-c6-devkitm-1

ESP32-C6-DevKitM-1

Assembly & compatibility

Revisions

Pinout