STM32L152C6 datasheet(37/131 Pages) STMICROELECTRONICS

37 / 131 page

DocID17659 Rev 9

37/131

STM32L151x6/8/B, STM32L152x6/8/B

Pin descriptions

22 13 H1

VDDA

S-

VDDA

23 14 G2

PA0-WKUP1 I/O

PA0

WKUP1/USART2_CTS/ADC_IN0/

TIM2_CH1_ETR/COMP1_INP

24 15 H2

PA1

I/O

PA1

USART2_RTS/ADC_IN1/TIM2_CH2/

LCD_SEG0/COMP1_INP

25 16 F3

PA2

I/O

PA2

USART2_TX/ADC_IN2/TIM2_CH3/

TIM9_CH1/LCD_SEG1/COMP1_INP

26 17 G3

PA3

I/O

PA3

USART2_RX/ADC_IN3/TIM2_CH4/

TIM9_CH2/LCD_SEG2/COMP1_INP

27 18 C2

VSS_4

S-

VSS_4

28 19 D2

VDD_4

S-

VDD_4

29 20 H3

PA4

I/O

PA4

SPI1_NSS/USART2_CK/

ADC_IN4/DAC_OUT1/COMP1_INP

30 21 F4

PA5

I/O

PA5

SPI1_SCK/ADC_IN5/

DAC_OUT2/TIM2_CH1_ETR/COMP1_INP

31 22 G4

PA6

I/O

PA6

SPI1_MISO/ADC_IN6/TIM3_CH1/

LCD_SEG3/TIM10_CH1/COMP1_INP

32 23 H4

PA7

I/O

PA7

SPI1_MOSI/ADC_IN7/TIM3_CH2/

LCD_SEG4/TIM11_CH1/COMP1_INP

33 24 H5

PC4

I/O

PC4

ADC_IN14/LCD_SEG22/COMP1_INP

34 25 H6

PC5

I/O

PC5

ADC_IN15/LCD_SEG23/COMP1_INP

35 26 F5

PB0

I/O

PB0

ADC_IN8/TIM3_CH3/LCD_SEG5/

COMP1_INP/VREF_OUT

36 27 G5 M6

PB1

I/O

PB1

ADC_IN9/TIM3_CH4/LCD_SEG6/

COMP1_INP/VREF_OUT

37 28 G6

PB2

I/O

PB2/BOOT1

PE7

I/O

PE7

ADC_IN22/COMP1_INP

PE8

I/O

PE8

ADC_IN23/COMP1_INP

PE9

I/O

PE9

ADC_IN24/TIM2_CH1_ETR/COMP1_INP

Table 8. STM32L15xxx pin definitions (continued)

Pins

Pin name

Main

function(2)

(after reset)

Alternate functions

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