STM8L052R8 datasheet(27/109 Pages) STMICROELECTRONICS

27 / 109 page

STM8L052R8

Pin description

Doc ID023337 Rev 2

27/109

PE2/TIM1_CH3N/

LCD_SEG3/RTC_TAMP3

I/O FT(2)

X Port E2

Timer 1 - inverted channel

3 / LCD segment 3/

RTC tamper 3

PE3/LCD_SEG4

/USART2_RX

I/O FT(2)

X Port E3

LCD segment 4

/USART2 receive

PE4/LCD_SEG5

/USART2_TX

I/O FT(2)

X Port E4

LCD segment 5

/USART2 transmit

PE5/LCD_SEG6/

ADC1_IN23/USART2_CK

I/O FT(2)

X Port E5

LCD segment 6 /

ADC1_IN23/USART2

synchronous clock

PE6/PVD_IN/TIM5_BKIN

I/O FT(2)

X Port E6

PVD_IN

/TIM5 break input

PE7

/TIM5_ETR

I/O FT(2)

X Port E7 TIM5 trigger

PF0/ADC1_IN24

/[USART3_TX]

I/O

X Port F0

ADC1_IN24/

[USART3 transmit]

PF1/ADC1_IN25/

[USART3_RX]

I/O

X Port F1

ADC1_IN25/

[USART3 receive]

PF4/LCD_SEG36

/LCD_COM4(5)

I/O FT(2)

X Port F4

LCD_SEG36/

LCD COM4(5)

PF5/LCD_SEG37/

LCD_COM5(5)

I/O FT(2)

X Port F5

LCD_SEG37/

LCD COM5(5)

PF6/LCD_SEG38/

LCD_COM6(5)

I/O FT(2)

X Port F6

LCD_SEG38/

LCD COM6(5)

PF7/LCD_SEG39/

LCD_COM7(5)

I/O FT(2)

X Port F7

LCD_SEG39/

LCD COM7(5)

VLCD

LCD booster external capacitor

VDD1

Digital power supply

VSS1

I/O ground

VDDA

Analog supply voltage

VREF+

ADC1 positive voltage reference

PG0/USART3_RX/

[TIM2_BKIN]

I/O FT(2)

Port G0

USART3 receive /

[Timer 2 - break input]

PG1/USART3_TX/

[TIM3_BKIN]

I/O FT(2)

Port G1

USART3 transmit /

[Timer 3 -break input]

Table 4.

High density value line STM8L05xxx pin description (continued)

number

Pin name

Input

Output

Default alternate function

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