Datasheet
Pinouts and pin description STM32L431xx
58/200 DocID028800 Rev 1
--- - - - -46M12 PE15 I/O FT -
TIM1_BKIN,
TIM1_BKIN_COMP1,
SPI1_MOSI,
QUADSPI_BK1_IO3,
EVENTOUT
-
- 21 21 E3 H4 29 G7 47 L10 PB10 I/O FT_f -
TIM2_CH3, I2C2_SCL,
SPI2_SCK, USART3_TX,
LPUART1_RX,
TSC_SYNC,
QUADSPI_CLK,
COMP1_OUT,
SAI1_SCK_A,
EVENTOUT
-
-2222F2H330H748L11 PB11 I/O FT_f -
TIM2_CH4, I2C2_SDA,
USART3_RX,
LPUART1_TX,
QUADSPI_BK1_NCS,
COMP2_OUT,
EVENTOUT
-
16 23 23 G2 H2 31 D6 49 F12 VSS S - - - -
17 24 24 G1 H1 32 E6 50 G12 VDD S - - - -
- 25 25 F1 G3 33 H8 51 L12 PB12 I/O FT -
TIM1_BKIN,
TIM1_BKIN_COMP2,
I2C2_SMBA, SPI2_NSS,
USART3_CK,
LPUART1_RTS_DE,
TSC_G1_IO1,
SWPMI1_IO,
SAI1_FS_A,
TIM15_BKIN,
EVENTOUT
-
- 26 26 E2 G2 34 G8 52 K12 PB13 I/O FT_f -
TIM1_CH1N, I2C2_SCL,
SPI2_SCK,
USART3_CTS,
LPUART1_CTS,
TSC_G1_IO2,
SWPMI1_TX,
SAI1_SCK_A,
TIM15_CH1N,
EVENTOUT
-
Table 14. STM32L431xx pin definitions (continued)
Pin Number
Pin name
(function
after
reset)
Pin type
I/O structure
Notes
Pin functions
UFQFPN32
LQFP48
UFQFPN48
WLCSP49
WLCSP64
LQFP64
UFBGA64
LQFP100
UFBGA100
Alternate functions
Additional
functions
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