STM8L052R8 datasheet(25/109 Pages) STMICROELECTRONICS

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STM8L052R8

Pin description

Doc ID023337 Rev 2

25/109

PB2/ TIM2_CH2/

LCD_SEG12/

ADC1_IN16

I/O FT(2)

X Port B2

Timer 2 - channel 2 / LCD

segment 12 / ADC1_IN16

PB3/TIM2_ETR/

LCD_SEG13/

ADC1_IN15

I/O FT(2)

X Port B3

Timer 2 - trigger / LCD

segment 13 /ADC1_IN15

PB4(3)/[SPI1_NSS](8)/

LCD_SEG14/

ADC1_IN14

I/O FT(2) X(3) X(3)

XHS

X Port B4

[SPI1 master/slave select] /

LCD segment 14 /

ADC1_IN14

PB5/[SPI1_SCK](8)/

LCD_SEG15/

ADC1_IN13

I/O FT(2)

X Port B5

[SPI1 clock] / LCD segment

15 / ADC1_IN13

PB6/[SPI1_MOSI](8)/

LCD_SEG16/

ADC1_IN12

I/O FT(2)

X Port B6

[SPI1 master out/slave in]/

LCD segment 16 /

ADC1_IN12

PB7/[SPI1_MISO](8)/

LCD_SEG17/

ADC1_IN11

I/O FT(2)

X Port B7

[SPI1 master in- slave out]

/LCD segment 17 /

ADC1_IN11

PC0(2)/I2C1_SDA

I/O FT(2)

T(4)

Port C0 I2C1 data

PC1(2)/I2C1_SCL

I/O FT(2)

T(4)

Port C1 I2C1 clock

PC2/USART1_RX/

LCD_SEG22/ADC1_IN6/

VREFINT

I/O FT(2)

X Port C2

USART1 receive /

LCD segment 22 /

ADC1_IN6 /Internal voltage

reference output

PC3/USART1_TX/

LCD_SEG23/

ADC1_IN5

I/O FT(2)

X Port C3

USART1 transmit /

LCD segment 23 /

ADC1_IN5

PC4/USART1_CK/

I2C1_SMB/CCO/

ADC1_IN4

I/O FT(2)

X Port C4

USART1 synchronous

clock / I2C1_SMB /

Configurable clock output /

ADC1_IN4

PC5/OSC32_IN

/[SPI1_NSS](8)/

[USART1_TX](8)

I/O FT(2)

X Port C5

LSE oscillator input / [SPI1

master/slave select] /

[USART1 transmit]

PC6/OSC32_OUT/

[SPI1_SCK](8)/

[USART1_RX](8)

I/O FT(2)

X Port C6

LSE oscillator output /

[SPI1 clock] / [USART1

receive]

PC7/ADC1_IN3

I/O FT(2)

X Port C7 ADC1_IN3

Table 4.

High density value line STM8L05xxx pin description (continued)

number

Pin name

Input

Output

Default alternate function

STM8L052R8 Datasheet(PDF) 25 Page - STMicroelectronics

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