STM32L151XE datasheet(39/134 Pages) STMICROELECTRONICS

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DocID025433 Rev 8

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STM32L151xE STM32L152xE

Pin descriptions

14 K9

PA0-WKUP1

I/O FT

PA0

TIM2_CH1_ETR/

TIM5_CH1/

USART2_CTS

WKUP1/RTC_TA

MP2/ADC_IN0/

COMP1_INP

15 L9

PA1

I/O FT

PA1

TIM2_CH2/TIM5_CH2/

USART2_RTS/

LCD_SEG0

ADC_IN1/

COMP1_INP/

OPAMP1_VINP

PA2

I/O FT

PA2

TIM2_CH3/TIM5_CH3/

TIM9_CH1/

USART2_TX/LCD_SEG1

ADC_IN2/

COMP1_INP/

OPAMP1_VINM

PA2

I/O FT

PA2

TIM2_CH3/TIM5_CH3/

TIM9_CH1/

USART2_TX/LCD_SEG1

ADC_IN2/

COMP1_INP

-M3

OPAMP1_VINM

OPAMP1_

VINM

17 H7

PA3

I/O TC

PA3

TIM2_CH4/TIM5_CH4/

TIM9_CH2/

USART2_RX/LCD_SEG2

ADC_IN3/

COMP1_INP/

OPAMP1_VOUT

18 K8

VSS_4

S-

VSS_4

L8,

VDD_4

S-

VDD_4

PA4

I/O TC

PA4

SPI1_NSS/SPI3_NSS/

I2S3_WS/

USART2_CK

ADC_IN4/

DAC_OUT1/

COMP1_INP

21 M8

PA5

I/O TC

PA5

TIM2_CH1_ETR/

SPI1_SCK

ADC_IN5/

DAC_OUT2/

COMP1_INP

22 H6

PA6

I/O FT

PA6

TIM3_CH1/TIM10_CH1/S

PI1_MISO/

LCD_SEG3

ADC_IN6/

COMP1_INP/

OPAMP2_VINP

23 K7

PA7

I/O FT

PA7

TIM3_CH2/TIM11_CH1/

SPI1_MOSI/

LCD_SEG4

ADC_IN7/

COMP1_INP/

OPAMP2_VINM

PA7

I/O FT

PA7

TIM3_CH2/TIM11_CH1/

SPI1_MOSI/

LCD_SEG4

ADC_IN7/

COMP1_INP

Table 8. STM32L151xE and STM32L152xE pin definitions (continued)

Pins

Pin name

Main

function(2)

(after

reset)

Pin functions

Alternate functions

Additional

functions

STM32L151XE 数据表(PDF) 39 Page - STMicroelectronics

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STM32L151XE 数据表(PDF) 39 Page - STMicroelectronics

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