STM8L15 datasheet(30/122 Pages) STMICROELECTRONICS

30 / 122 page

Pin description

STM8L151xx, STM8L152xx

30/122

Doc ID 15962 Rev 5

31 20 19 E1

PB7/[SPI1_MISO](3)/

LCD_SEG17(2)/

ADC1_IN11/COMP1_INP

I/O

X Port B7

[SPI1 master in- slave

out] /

LCD segment 17 /

ADC1_IN11 /

Comparator 1 positive

input

37 25 21 B1 PC0(4)/I2C1_SDA

I/O FT

XT(6)

Port C0

I2C1 data

38 26 22 A1 PC1(4)/I2C1_SCL

I/O FT

XT(6)

Port C1

I2C1 clock

41 27 23 B2

PC2/[USART1_RX](3)/

LCD_SEG22/ADC1_IN6/

COMP1_INP/VREF_OUT

I/O

X Port C2

[USART1 receive] /

LCD segment 22 /

ADC1_IN6 / Comparator

1 positive input / Voltage

reference output

42 28 24 A2

PC3/[USART1_TX](3)/

LCD_SEG23(2)/

ADC1_IN5/COMP1_INP/

COMP2_INM

I/O

X Port C3

[USART1 transmit] /

LCD segment 23 /

ADC1_IN5 / Comparator

1 positive input /

Comparator 2 negative

input

43 29 25 C2

PC4/[USART1_CK](3)/

I2C1_SMB/CCO/

LCD_SEG24(2)/

ADC1_IN4/COMP2_INM/

COMP1_INP

I/O

X Port C4

[USART1 synchronous

clock] / I2C1_SMB /

Configurable clock

output / LCD segment 24

/ ADC1_IN4 /

Comparator 2 negative

input / Comparator 1

positive input

44 30 26 A3

PC5/OSC32_IN

/[SPI1_NSS](3)/

[USART1_TX](3)

I/O

X Port C5

LSE oscillator input /

[SPI1 master/slave

select] / [USART1

transmit]

45 31 27 B3

PC6/OSC32_OUT/

[SPI1_SCK](3)/

[USART1_RX](3)

I/O

X Port C6

LSE oscillator output /

[SPI1 clock] / [USART1

receive]

Table 5.

STM8L15x pin description (continued)

number

Pin name

Input

Output

Default alternate

function

STM8L15 数据表(PDF) 30 Page - STMicroelectronics

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