Datasheet
Pinouts and pin description STM32L431xx
66/200 DocID028800 Rev 1
Port C
PC0 - LPTIM1_IN1 - - I2C3_SCL - - -
PC1 - LPTIM1_OUT - - I2C3_SDA - - -
PC2 - LPTIM1_IN2 - - - SPI2_MISO - -
PC3 - LPTIM1_ETR - - - SPI2_MOSI - -
PC4-------USART3_TX
PC5-------USART3_RX
PC6--------
PC7--------
PC8--------
PC9--------
PC10------SPI3_SCKUSART3_TX
Port C
PC11------SPI3_MISOUSART3_RX
PC12------SPI3_MOSIUSART3_CK
PC13--------
PC14--------
PC15--------
Table 15. Alternate function AF0 to AF7 (for AF8 to AF15 see Table 16) (continued)
Port
AF0 AF1 AF2 AF3 AF4 AF5 AF6 AF7
SYS_AF
TIM1/TIM2/
LPTIM1
TIM1/TIM2 USART2 I2C1/I2C2/I2C3 SPI1/SPI2 SPI3
USART1/
USART2/
USART3
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