Datasheet

DocID028800 Rev 1 61/200
STM32L431xx Pinouts and pin description
77
25 38 38 B3 A2 50 A6 77 A9
PA15
(JTDI)
I/O FT
(3)
JTDI, TIM2_CH1,
TIM2_ETR, USART2_RX,
SPI1_NSS, SPI3_NSS,
USART3_RTS_DE,
TSC_G3_IO1,
SWPMI1_SUSPEND,
EVENTOUT
-
--- -C351B778B11 PC10 I/O FT -
SPI3_SCK, USART3_TX,
TSC_G3_IO2,
SDMMC1_D2,
EVENTOUT
-
--- -B352B679C10 PC11 I/O FT -
SPI3_MISO,
USART3_RX,
TSC_G3_IO3,
SDMMC1_D3,
EVENTOUT
-
- - - - A3 53 C5 80 B10 PC12 I/O FT -
SPI3_MOSI,
USART3_CK,
TSC_G3_IO4,
SDMMC1_CK,
EVENTOUT
-
--- - - - -81C9 PD0 I/O FT -
SPI2_NSS, CAN1_RX,
EVENTOUT
-
--- - - - -82B9 PD1 I/O FT -
SPI2_SCK, CAN1_TX,
EVENTOUT
-
--- -A454B583C8 PD2 I/O FT -
USART3_RTS_DE,
TSC_SYNC,
SDMMC1_CMD,
EVENTOUT
-
--- - - - -84B8 PD3 I/O FT -
SPI2_MISO,
USART2_CTS,
QUADSPI_BK2_NCS,
EVENTOUT
-
--- - - - -85B7 PD4 I/O FT -
SPI2_MOSI,
USART2_RTS_DE,
QUADSPI_BK2_IO0,
EVENTOUT
-
--- - - - -86A6 PD5 I/O FT -
USART2_TX,
QUADSPI_BK2_IO1,
EVENTOUT
-
--- - - - -87B6 PD6 I/O FT -
USART2_RX,
QUADSPI_BK2_IO2,
SAI1_SD_A, 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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