Datasheet
STM32L431xx Pinouts and pin description
DocID028800 Rev 1 69/200
Table 16. Alternate function AF8 to AF15 (for AF0 to AF7 see Table 15)
Port
AF8 AF9 AF10 AF11 AF12 AF13 AF14 AF15
LPUART1 CAN1/TSC QUADSPI
SDMMC1/
COMP1/
COMP2/
SWPMI1
SAI1
TIM2/TIM15/
TIM16/LPTIM2
EVENTOUT
Port A
PA0 - - - - COMP1_OUT SAI1_EXTCLK TIM2_ETR EVENTOUT
PA1 - - - - - TIM15_CH1N EVENTOUT
PA2 LPUART1_TX -
QUADSPI_
BK1_NCS
COMP2_OUT - TIM15_CH1 EVENTOUT
PA3 LPUART1_RX - QUADSPI_CLK - SAI1_MCLK_A TIM15_CH2 EVENTOUT
PA4-----SAI1_FS_BLPTIM2_OUTEVENTOUT
PA5------LPTIM2_ETREVENTOUT
PA6 LPUART1_CTS -
QUADSPI_
BK1_IO3
TIM1_BKIN_
COMP2
- TIM16_CH1 EVENTOUT
PA7 - -
QUADSPI_
BK1_IO2
COMP2_OUT - - EVENTOUT
PA8 - - - SWPMI1_IO SAI1_SCK_A LPTIM2_OUT EVENTOUT
PA9 - - - - SAI1_FS_A TIM15_BKIN EVENTOUT
PA10 - - - SAI1_SD_A - EVENTOUT
PA11 - CAN1_RX -
TIM1_BKIN2_
COMP1
- - EVENTOUT
PA12 - CAN1_TX - - - - EVENTOUT
PA13 - - - SWPMI1_TX SAI1_SD_B - EVENTOUT
PA14 - - - - SWPMI1_RX SAI1_FS_B - EVENTOUT
PA15 - TSC_G3_IO1 -
SWPMI1_
SUSPEND
- - EVENTOUT
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