STM8L151C2 datasheet(30/122 Pages) STMICROELECTRONICS

30 / 122 page

Pinout and pin description

STM8L151x2, STM8L151x3

30/122

DocID018780 Rev 9

34 22

PD5/ ADC1_IN9/

COMP1_INP

I/O

HS X

X Port D5

ADC1_IN9/

Comparator1 positive

input

35 23

PD6/ADC1_IN8/

RTC_CALIB/

COMP1_INP

I/O

HS X

X Port D6

ADC1_IN8 / RTC

calibration/

Comparator1 positive

input

36 24

PD7 /ADC1_IN7/

RTC_ALARM/

COMP1_INP

I/O

HS X

X Port D7

ADC1_IN7/RTC alarm/

Comparator1 positive

input

-- PE0

I/O

HS X

X Port E0

-- PE1

I/O

HS X

X Port E1

-- PE2

I/O

HS X

X Port E2

- PE3/ADC1_IN26

I/O

HS X

X Port E3

ADC1_IN26

- PE4/ADC1_IN27

I/O

HS X

X Port E4

ADC1_IN27

PE5/ADC1_IN23/

COMP1_INP/

COMP2_INP

I/O

HS X

X Port E5

ADC1_IN23/

Comparator 1 positive

input/Comparator 2

positive input

- PE6/PVD_IN

I/O

HS X

X Port E6

PVD_IN

- PE7/ADC1_IN25

I/O

HS X

X Port E7

ADC1_IN25

- PF0/ADC1_IN24

I/O

HS X

X Port F0

ADC1_IN24

-- VDD

- Digital supply voltage

875

8 VDD /VDDA / VREF+

S-

Digital supply voltage /

ADC1 positive voltage reference

764

7 VSS / VREF- / VSSA

S-

Ground voltage / ADC1 negative

voltage reference / Analog ground

voltage

-- VDDA

- Analog supply voltage

-- VREF+

S-

ADC1 positive voltage

reference

132 28 20 3

PA0(8)/[USART_CK](2)

SWIM/BEEP/IR_TIM

(9)

I/O

(9)

XX Port A0

[USART1 synchronous

clock](2) / SWIM input

and output /

Beep output / Infrared

Timer output

Table 4. Low-density STM8L151x2/3 pin description (continued)

Pin number

Pin name

Input

Output

Default alternate

function

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