Datasheet

DocID028800 Rev 1 55/200
STM32L431xx Pinouts and pin description
77
--- -D58E315H1 PC0 I/OFT_fa-
LPTIM1_IN1, I2C3_SCL,
LPUART1_RX,
LPTIM2_IN1,
EVENTOUT
ADC1_IN1
--- -E89E216j2 PC1 I/OFT_fa-
LPTIM1_OUT,
I2C3_SDA,
LPUART1_TX,
EVENTOUT
ADC1_IN2
--- -E710F217J3 PC2 I/OFT_a-
LPTIM1_IN2,
SPI2_MISO, EVENTOUT
ADC1_IN3
- - - E6 E6 11 G1 18 K2 PC3 I/O FT_a -
LPTIM1_ETR,
SPI2_MOSI, SAI1_SD_A,
LPTIM2_ETR,
EVENTOUT
ADC1_IN4
- - - - - - - 19 J1 VSSA S - - - -
- - - - - - - 20 K1 VREF- S - - - -
-88E7F812F1 - -
VSSA/
VREF-
S-- - -
- - - - - - - 21 L1 VREF+ S - - -
VREFBUF_
OUT
--- - - - -22M1 VDDA S - - - -
599F7G813H1 - -
VDDA/
VREF+
S-- - -
- 1010F6 F714G2 23 L2 PA0 I/O FT_a -
TIM2_CH1,
USART2_CTS,
COMP1_OUT,
SAI1_EXTCLK,
TIM2_ETR, EVENTOUT
OPAMP1_
VINP,
COMP1_INM,
ADC1_IN5,
RTC_TAMP2,
WKUP1
6--- --- - -
PA0/
CK_IN
I/O FT_a -
TIM2_CH1,
USART2_CTS,
COMP1_OUT,
SAI1_EXTCLK,
TIM2_ETR, EVENTOUT
OPAMP1_
VINP,
COMP1_INM,
ADC1_IN5,
RTC_TAMP2,
WKUP1,
CK_IN
71111G7G715H224 M2 PA1 I/O FT_a -
TIM2_CH2, I2C1_SMBA,
SPI1_SCK,
USART2_RTS_DE,
TIM15_CH1N,
EVENTOUT
OPAMP1_
VINM,
COMP1_INP,
ADC1_IN6
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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