STM8L151F3P6 datasheet(28/112 Pages) STMICROELECTRONICS

28 / 112 page

Pin description

STM8L151x2, STM8L151x3

28/112

Doc ID 018780 Rev 4

28 17 16 11 14

PB4(3)/SPI1_NSS/

ADC1_IN14

I/O

X Port B4

SPI master/slave select

/ ADC1_IN14

29 18 17 12 15

PB5/SPI_SCK/

/ADC1_IN13

I/O

X Port B5

[SPI clock] /

ADC1_IN13

30 19 18 13 16

PB6/SPI1_MOSI/

ADC1_IN12

I/O

X Port B6

SPI master out/

slave in / ADC1_IN12

31 20 19 14 17

PB7/SPI1_MISO/

ADC1_IN11

I/O

X Port B7

SPI1 master in- slave

out/

ADC1_IN11

37 25 21 15 18 PC0/I2C_SDA

I/O FT

XT(5)

Port C0

I2C data

38 26 22 16 19 PC1/I2C_SCL

I/O FT

XT(3)

Port C1

I2C clock

41 27 23

PC2/USART_RX/ADC

1_IN6

I/O

X Port C2

USART receive /

ADC1_IN6

42 28 24

PC3/USART_TX/

ADC1_IN5

I/O

X Port C3

USART transmit /

ADC1_IN5

43 29 25 17 20

PC4/USART_CK]/

I2C_SMB/CCO/

ADC1_IN4

I/O

X Port C4

USART synchronous

clock / I2C1_SMB /

Configurable clock

output / ADC1_IN4

44 30 26 18

PC5/OSC32_IN

/[SPI1_NSS](2)/

[USART_TX](2)/

TIM2_CH1(6)

I/O

X Port C5

LSE oscillator input /

[SPI master/slave

select] / [USART

transmit]/

Timer 2 -channel 1(6)

45 31 27 19

PC6/OSC32_OUT/

[SPI_SCK](2)/

[USART_RX](2)/

TIM2_CH2(6)

I/O

X Port C6

LSE oscillator output /

[SPI clock] / [USART

receive]/

Timer 2 -channel 2(6)

-- PC7/ADC1_IN3

I/O

X Port C7

ADC1_IN3

869

PD0/TIM3_CH2/

[ADC1_TRIG](2)/

ADC1_IN22

I/O

X Port D0

Timer 3 - channel 2 /

[ADC1_Trigger] /

ADC1_IN22

21 10

PD1/TIM3_ETR/

ADC1_IN21

I/O

X Port D1

Timer 3 - external

trigger / ADC1_IN21

22 11 10

PD2/

ADC1_IN20

I/O

X Port D2

ADC1_IN20

Table 4.

Low density STM8L15xxx pin description (continued)

Pin number

Pin name

Input

Output

Default alternate

function

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