STM8L151X6 datasheet(39/147 Pages) STMICROELECTRONICS

39 / 147 page

DS6948 Rev 11

39/147

STM8L151x6/8 STM8L152x6/8

Pin description

- G4 VDD1/VDDA/VREF+

S-

Digital power supply / Analog

power supply / ADC1 positive

voltage reference

17 13 12 - VREF+/VREF+_DAC

S-

ADC1 and DAC1/2 positive

voltage reference

18 14

PG0/LCD SEG28(3)

/USART3_RX/

[TIM2_BKIN]

I/O FT(6) X

XX HS X

X Port G0

LCD segment 28/

USART3 receive /

[Timer 2 - break input]

19 15

PG1/LCD SEG29(3)

/USART3_TX/

[TIM3_BKIN]

I/O FT(6) X

XX HS X

X Port G1

LCD segment 29/

USART3 transmit /

[Timer 3 -break input]

20 16

PG2/LCD_SEG30(3)/

USART3_CK

I/O FT(6) X

XX HS X

X Port G2

LCD segment 30/

USART 3 synchronous

clock

21 17

PG3/LCD SEG 31 (3)/

[TIM3_ETR]

I/O FT(6) X

XX HS X

X Port G3

LCD segment 31/

[Timer 3 - trigger]

- PH4/USART2_RX

I/O FT(6) X

XX HS X

X Port H4 USART2 receive

- PH5/USART2_TX

I/O FT(6) X

XX HS X

X Port H5 USART2 transmit

PH6/USART2_CK/

TIM5_CH1

I/O FT(6) X

XX HS X

X Port H6

USART2 synchronous

clock/ Timer 5 - channel

- PH7/TIM5_CH2

I/O FT(6) X

XX HS X

X Port H7 Timer 5 - channel 2

9 F4 VSS /VSSA /VREF-

S-

I/O ground / Analog ground

voltage /

ADC1 negative voltage reference

13 9

- VSSA /VREF-

S-

Analog ground voltage /

ADC1 negative voltage reference

37 29

- VDD3

- IOs supply voltage

38 30

- H1 VSS3

- IOs ground voltage

1 A4

PA0(9)/[USART1_CK](2)/

SWIM/BEEP/IR_TIM (10)

I/O

XHS X

X Port A0

[USART1 synchronous

clock](2)/ SWIM input and

output / Beep output /

Infrared Timer output

68 56 40 - VSS2

- IOs ground voltage

67 55 39 - VDD2

- IOs supply voltage

Table 5. High-density and medium+ density STM8L15x pin description (continued)

Pin number

Pin name

Input

Output

Default alternate

function

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