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Connector
Pin name
Signal name
STM32 pin
Comment
CN13
1
ARD_D8
PG3
IO
2
ARD_D9
PH6
TIM12_CH1
3
ARD_D10
PE11
SPI4_NSS and TIM1_CH2
4
ARD_D11
PE14
SPI4_MOSI and TIM1_CH4
5
ARD_D12
PE13
SPI4_MISO
6
ARD_D13
PE12
SPI4_SCK
7
GND
-
GND
8
VREFP
-
VREF+
9
ARD_D14
PA12
I2C5_SDA
10
ARD_D15
PA11
I2C5_SCL
7.17
GPIO expansion connectors
7.17.1
Description
•
The GPIO pins can be used as GPIOs or alternate functions. The available alternate functions are listed in
Table 25. GPIO connectors pinout
.
•
Other functions such as I
2
C, UART, or FDCAN can be mapped on the GPIO connectors, for instance using
tool.
•
The GPIO expansion connector CN2 offers Raspberry Pi
®
shields capability.
7.17.2
GPIO expansion connector interface
shows the pinout of the GPIO connectors.
UM2534
GPIO expansion connectors
UM2534
-
Rev 1
page 30/47