STM8S003F3 datasheet(27/104 Pages) STMICROELECTRONICS

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DocID018576 Rev 9

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STM8S003F3 STM8S003K3

Pinouts and pin descriptions

Table 6. STM8S003F3 pin description

no.

Pin name

Type

Input

Output

Main

function

(after

reset)

Default

alternate

function

Alternate

function

after remap

[option bit]

High

sink(1)

OD PP

118

PD4/ BEEP/

TIM2_ CH1/

UART1 _CK

I/O

Port D4

Timer 2 -

channel

1/BEEP

output/

UART1 clock

219

PD5/ AIN5/

UART1 _TX

I/O

Port D5

Analog input

5/ UART1

data transmit

320

PD6/ AIN6/

UART1 _RX

I/O

Port D6

Analog input

6/ UART1

data receive

1 NRST

I/O

---

Reset

2 PA1/ OSCIN(2)

I/O

Port A1

Resonator/

crystal in

3 PA2/ OSCOUT

I/O

Port A2

Resonator/

crystal out

4 VSS

Digital ground

5 VCAP

1.8 V regulator

capacitor

6 VDD

Digital power supply

PA3/ TIM2_ CH3

[SPI_ NSS]

I/O

Port A3

Timer 2

channel 3

SPI master/

slave select

[AFR1]

PB5/ I2C_ SDA

[TIM1_ BKIN]

I/O

O1 T(3)

Port B5

I2C data

Timer 1 -

break input

[AFR4]

9 PB4/ I2C_ SCL

I/O

T(3)

Port B4

I2C clock

ADC

external

trigger

[AFR4]

PC3/ TIM1_CH3

[TLI]

[TIM1_ CH1N]

I/O

Port C3

Timer 1 -

channel 3

Top level

interrupt

[AFR3]

Timer 1 -

inverted

channel 1

[AFR7]

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