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Raspberry Pi Pico W

Rev. 3
Raspberry Pi
Raspberry Pi Pico W

Raspberry Pi Pico

Overview

Raspberry Pi Pico has been designed to be a low cost yet flexible development platform for RP2040.

Pinout

Pico Pin-Out

Pin Function
1 UART0 TX/I2C0 SDA/SPI0 RX/GP0
2 UART0 RX/I2C0 SCL/SPI0 CSn/GP1
3 GND
4 I2C1 SDA/SPI0 CSK/GP2
5 I2C1 SCL/SPI0 TX/GP3
6 UART1 TX/I2C0 SDA/SPI0 RX/GP4
7 UART1 RX/I2C0 SCL/SPI0 CSn/GP5
8 GND
9 I2C1 SDA/SPI0 SCK/GP6
10 I2C1 SCL/SPI0 TX/GP7
11 UART1 TX/I2C0 SDA/SPI1 RX/GP8
12 UART1 RX/I2C0 SCL/SPI1 CSn/GP9
13 GND
14 I2C1 SDA/SPI1 SCK/GP10
15 I2C1 SCL/SPI1 TX/GP11
16 UART0 TX/I2C0 SDA/SPI1 RX/GP12
17 UART0 RX/I2C0 SCL/SPI1 CSn/GP13
18 GND
19 I2C1 SDA/SPI1 SCK/GP14
20 I2C1 SCL/SPI1 TX/GP15
21 UART0 TX/I2C0 SDA/SPI0 RX/GP16
22 UART0 RX/I2C0 SCL/SPI0 CSn/GP17
23 GND
24 I2C1 SDA/SPI0 SCK/GP18
25 I2C1 SCL/SPI0 TX/GP19
26 I2C0 SDA/GP20
27 I2C0 SCL/GP21
28 GND
29 GP22
30 RUN
31 I2C1 SDA/ADC0/GP26
32 I2C1 SCL/ADC1/GP27
33 GND/AGND
34 ADC2/GP28
35 ADC_VREF
36 3V3(OUT)
37 3V3_EN
38 GND
39 VSYS
40 VBUS

Schematics

Firmware

tbd - explain how to use a second Pico as a debug adapter with the following FW: