Port A

GPIO Name Peripheral Alternate
PA 03    
PA 04

Accelerometer

ADC_1
PA 05

Accelerometer

ADC_2
PA 06

Accelerometer

ADC_3
PA 07

LEDs

 
PA 08

LEDs

 
PA 09

TWI

SCL
PA 10

TWI

SDA
PA 11

Clocks

Xin_32
PA 12

Clocks

Xout_32
PA 13

Joystick

EXTINT_8
PA 14

SPI

MOSI
PA 15

SPI

SCK
PA 16

SPI

CS0
PA 17

SPI

CS1
PA 18

Clocks

Xin_0
PA 19

Clocks

Xout_0
PA 20

#GUID-79824889-A687-4E0C-AAA6-4FB5BF2104E3

 
PA 21

LEDs

 
PA 22

LEDs

Audio

PWM_6
PA 23

USART

TXD
PA 24

USART

RXD
PA 25

SPI

MISO
PA 26

#GUID-79824889-A687-4E0C-AAA6-4FB5BF2104E3

USB_ID
PA 27

#GUID-79824889-A687-4E0C-AAA6-4FB5BF2104E3

USB_VBOF
PA 28

Clocks

Audio

Xin1/PWM_4
PA 29

Clocks

Xout1
PA 30

Light Sensor

ADC_6
PA 31

Temperature Sensor

ADC_7