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Power
Ground
UART / UART (default)
GPIO, PIO, and PWM
SPI
I2C
System Control
Debugging
ADC
Raspberry Pi Pico Pinout
Power
Ground
UART / UART (default)
GPIO, PIO, and PWM
ADC
SPI
I2C
System Control
Debugging
UART0 TX
UART0 RX
UART1 TX
UART1 RX
UART1 TX
UART1 RX
UART0 TX
UART0 RX
I2C0 SDA
I2C0 SCL
I2C1 SDA
I2C1 SCL
I2C0 SDA
I2C0 SCL
I2C1 SDA
I2C1 SCL
I2C0 SDA
I2C0 SCL
I2C1 SDA
I2C1 SCL
I2C0 SDA
I2C0 SCL
I2C1 SDA
I2C1 SCL
SPI0 RX
SPI0 CSn
SPI0 SCK
SPI0 TX
SPI0 RX
SPI0 CSn
SPI0 SCK
SPI0 TX
SPI1 RX
SPI1 CSn
SPI1 SCK
SPI1 TX
SPI1 RX
SPI1 CSn
SPI1 SCK
SPI1 TX
GP1
GND
GP2
GP3
GP4
GP5
GND
GP6
GP7
GP8
GP9
GND
GP10
GP11
GP12
GP13
GND
GP14
GP15
LED
(
GP25
)
1
1GP0
2 39
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
LED
BOOTSEL
2020
©
Raspberry Pi Pico
USB
RP2-80 20/21
P64M15.00 TTT
DEBUG
40
VBUS
39
VSYS
38
GND
37
3V3_EN
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
)
3V3(OUT
GP28 ADC2
GND
GP27
GP26
RUN
GP22
GND
GP21
GP20
GP19
GP18
GND
GP17 SPI0 CSn
GP16
ADC_VREF
AGND
ADC1
ADC0
SPI0 TX
SPI0 SCK
SPI0 RX
I2C1 SCL
I2C1 SDA
I2C0 SCL
I2C0 SDA
I2C1 SCL
I2C1 SDA
I2C0 SCL
I2C0 SDA
UART0 RX
UART0 TX
SWCLK
GND
SWDIO
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