Datasheet

Pinouts and pin description STM32L432KB STM32L432KC
52/155 DocID028798 Rev 3
13 PA7 I/O FT_fa -
TIM1_CH1N, I2C3_SCL,
SPI1_MOSI,
QUADSPI_BK1_IO2,
COMP2_OUT, EVENTOUT
ADC1_IN12
14 PB0 I/O FT_a -
TIM1_CH2N, SPI1_NSS,
USART3_CK,
QUADSPI_BK1_IO1,
COMP1_OUT, SAI1_EXTCLK,
EVENTOUT
ADC1_IN15
15 PB1 I/O FT_a -
TIM1_CH3N,
USART3_RTS_DE,
LPUART1_RTS_DE,
QUADSPI_BK1_IO0,
LPTIM2_IN1, EVENTOUT
COMP1_INM, ADC1_IN16
16 VSS S - - - -
17 VDD S - - - -
18 PA8 I/O FT -
MCO, TIM1_CH1,
USART1_CK, SWPMI1_IO,
SAI1_SCK_A, LPTIM2_OUT,
EVENTOUT
-
19 PA9 I/O FT_f -
TIM1_CH2, I2C1_SCL,
USART1_TX, SAI1_FS_A,
TIM15_BKIN, EVENTOUT
-
20 PA10 I/O FT_f -
TIM1_CH3, I2C1_SDA,
USART1_RX,
USB_CRS_SYNC,
SAI1_SD_A, EVENTOUT
-
21 PA11 I/O FT_u -
TIM1_CH4, TIM1_BKIN2,
SPI1_MISO, COMP1_OUT,
USART1_CTS, CAN1_RX,
USB_DM,
TIM1_BKIN2_COMP1,
EVENTOUT
-
22 PA12 I/O FT_u -
TIM1_ETR, SPI1_MOSI,
USART1_RTS_DE,
CAN1_TX, USB_DP,
EVENTOUT
-
23
PA13
(JTMS-
SWDIO)
I/O FT
(3)
JTMS-SWDIO, IR_OUT,
USB_NOE, SWPMI1_TX,
SAI1_SD_B, EVENTOUT
-
Table 14. STM32L432xx pin definitions (continued)
Pin
Number
Pin name
(function after
reset)
Pin type I/O structure Notes
Pin functions
UFQFPN32
Alternate functions Additional functions
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