Raspberry Pi Pico 2 W Pinout

Pins 1 to 20, down the left side of the board. Pins 1 to 20, down the right side of the board. Pin 1 is at the top. Pin 1 is at the bottom.

Pin	Name	SPI	I2C	UART	PWM
1	GP0	SPI0 RX	I2C0 SDA	UART0 TX	PWM0 A
2	GP1	SPI0 CSn	I2C0 SCL	UART0 RX	PWM0 B
3	Ground
4	GP2	SPI0 SCK	I2C1 SDA	UART0 CTS	PWM1 A
5	GP3	SPI0 TX	I2C1 SCL	UART0 RTS	PWM1 B
6	GP4	SPI0 RX	I2C0 SDA	UART1 TX	PWM2 A
7	GP5	SPI0 CSn	I2C0 SCL	UART1 RX	PWM2 B
8	Ground
9	GP6	SPI0 SCK	I2C1 SDA	UART1 CTS	PWM3 A
10	GP7	SPI0 TX	I2C1 SCL	UART1 RTS	PWM3 B
11	GP8	SPI1 RX	I2C0 SDA	UART1 TX	PWM4 A
12	GP9	SPI1 CSn	I2C0 SCL	UART1 RX	PWM4 B
13	Ground
14	GP10	SPI1 SCK	I2C1 SDA	UART1 CTS	PWM5 A
15	GP11	SPI1 TX	I2C1 SCL	UART1 RTS	PWM5 B
16	GP12	SPI1 RX	I2C0 SDA	UART0 TX	PWM6 A	HSTX 12
17	GP13	SPI1 CSn	I2C0 SCL	UART0 RX	PWM6 B	HSTX 13
18	Ground
19	GP14	SPI1 SCK	I2C1 SDA	UART0 CTS	PWM7 A	HSTX 14
20	GP15	SPI1 TX	I2C1 SCL	UART0 RTS	PWM7 B	HSTX 15

Pins 21 to 40, down the right side of the board. Pins 21 to 40, down the left side of the board. Pin 40 is at the top. Pin 40 is at the bottom.

Pin	Name/ADC	SPI	I2C	UART	PWM
40	VBUS 5V
39	VSYS 5V*
38	Ground
37	3V3 En
36	3V3 Out
35	ADC VRef
34	GP28 A2	SPI1 RX	I2C0 SDA	UART0 TX	PWM6 A
33	ADC Gnd
32	GP27 A1	SPI1 TX	I2C1 SCL	UART1 RTS	PWM5 B
31	GP26 A0	SPI1 SCK	I2C1 SDA	UART1 CTS	PWM5 A
30	RUN
29	GP22	SPI0 SCK	I2C1 SDA	UART1 CTS	PWM3 A
28	Ground
27	GP21	SPI0 CSn	I2C0 SCL	UART1 RX	PWM2 B
26	GP20	SPI0 RX	I2C0 SDA	UART1 TX	PWM2 A
25	GP19	SPI0 TX	I2C1 SCL	UART0 RTS	PWM1 B	HSTX 19
24	GP18	SPI0 SCK	I2C1 SDA	UART0 CTS	PWM1 A	HSTX 18
23	Ground
22	GP17	SPI0 CSn	I2C0 SCL	UART0 RX	PWM0 B	HSTX 17
21	GP16	SPI0 RX	I2C0 SDA	UART0 TX	PWM0 A	HSTX 16

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