STM32L432KB datasheet(47/149 Pages) STMICROELECTRONICS

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DocID028798 Rev 2

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STM32L432KB STM3L432KC

Pinouts and pin description

Table 13. STM32L432xx pin definitions

Number

Pin functions

Alternate functions

Additional functions

PC14-

OSC32_I

N (PC14)

I/O

(1)

(2)

EVENTOUT

OSC32_IN

PC15-

OSC32_

OUT

(PC15)

I/O

(1)

(2)

EVENTOUT

OSC32_OUT

NRST

I/O

RST

VDDA/VR

EF+

S-

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

PA1

I/O

FT_a

TIM2_CH2, I2C1_SMBA,

SPI1_SCK,

USART2_RTS_DE,

TIM15_CH1N, EVENTOUT

OPAMP1_VINM,

COMP1_INP, ADC1_IN6

PA2

I/O

FT_a

TIM2_CH3, USART2_TX,

LPUART1_TX,

QUADSPI_BK1_NCS,

COMP2_OUT, TIM15_CH1,

EVENTOUT

COMP2_INM, ADC1_IN7,

WKUP4, LSCO

PA3

I/O

TT_a

TIM2_CH4, USART2_RX,

LPUART1_RX,

QUADSPI_CLK,

SAI1_MCLK_A, TIM15_CH2,

EVENTOUT

OPAMP1_VOUT,

COMP2_INP, ADC1_IN8

PA4

I/O

TT_a

SPI1_NSS, SPI3_NSS,

USART2_CK, SAI1_FS_B,

LPTIM2_OUT, EVENTOUT

COMP1_INM,

COMP2_INM, ADC1_IN9,

DAC1_OUT1

PA5

I/O

TT_a

TIM2_CH1, TIM2_ETR,

SPI1_SCK, LPTIM2_ETR,

EVENTOUT

COMP1_INM,

COMP2_INM, ADC1_IN10,

DAC1_OUT2

PA6

I/O

FT_a

TIM1_BKIN, SPI1_MISO,

COMP1_OUT, USART3_CTS,

LPUART1_CTS,

QUADSPI_BK1_IO3,

TIM1_BKIN_COMP2,

TIM16_CH1, EVENTOUT

ADC1_IN11

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