Datasheet

Pinouts and pin description STM32L431xx
70/200 DocID028800 Rev 1
Port B
PB0 - -
QUADSPI_
BK1_IO1
COMP1_OUT SAI1_EXTCLK - EVENTOUT
PB1
LPUART1_RTS
_DE
-
QUADSPI_
BK1_IO0
- - LPTIM2_IN1 EVENTOUT
PB2 - - - - - - EVENTOUT
PB3 - - - - SAI1_SCK_B - EVENTOUT
PB4 - TSC_G2_IO1 - - SAI1_MCLK_B - EVENTOUT
PB5 - TSC_G2_IO2 - COMP2_OUT SAI1_SD_B TIM16_BKIN EVENTOUT
PB6 - TSC_G2_IO3 - - - SAI1_FS_B TIM16_CH1N EVENTOUT
PB7 - TSC_G2_IO4 - - - - EVENTOUT
PB8 - CAN1_RX - SDMMC1_D4 SAI1_MCLK_A TIM16_CH1 EVENTOUT
PB9 - CAN1_TX - SDMMC1_D5 SAI1_FS_A - EVENTOUT
PB10 LPUART1_RX TSC_SYNC QUADSPI_CLK COMP1_OUT SAI1_SCK_A - EVENTOUT
PB11 LPUART1_TX -
QUADSPI_
BK1_NCS
COMP2_OUT - - EVENTOUT
PB12
LPUART1_RTS
_DE
TSC_G1_IO1 - SWPMI1_IO SAI1_FS_A TIM15_BKIN EVENTOUT
PB13 LPUART1_CTS TSC_G1_IO2 - SWPMI1_TX SAI1_SCK_A TIM15_CH1N EVENTOUT
PB14 - TSC_G1_IO3 - SWPMI1_RX SAI1_MCLK_A TIM15_CH1 EVENTOUT
PB15 - TSC_G1_IO4 -
SWPMI1_
SUSPEND
SAI1_SD_A TIM15_CH2 EVENTOUT
Table 16. Alternate function AF8 to AF15 (for AF0 to AF7 see Table 15) (continued)
Port
AF8 AF9 AF10 AF11 AF12 AF13 AF14 AF15
LPUART1 CAN1/TSC QUADSPI
SDMMC1/
COMP1/
COMP2/
SWPMI1
SAI1
TIM2/TIM15/
TIM16/LPTIM2
EVENTOUT
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