STM8S003K3(2012) View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STM8S003K3
(Rev.:2012)

Value line, 16 MHz STM8S 8-bit MCU, 8 Kbytes Flash, 128 bytes data EEPROM, 10-bit ADC, 3 timers, UART, SPI, I²C

STMicroelectronics 

STM8S003K3 STM8S003F3

Pinout and pin description

1. (HS) high sink capability.

2. (T) True open drain (P-buffer and protection diode to VDD not implemented).

3. [ ] alternate function remapping option (if the same alternate function is shown twice, it

indicates an exclusive choice not a duplication of the function).

Pin Pin

no. name

Table 5: LQFP32 pin description

Input

Output

Main

Default

Type

function

alternate

floating wpu

Ext.

interrupt

High

sink(1)

Speed

OD

PP

(after reset) function

Alternate

function

after remap

[option bit]

1 NRST

I/O

2 PA1/ OSCI (2) I/O X

X

XX

Reset

O1 X X Port A1

Resonator/

crystal in

3 PA2/ OSCOUT I/O X

XX

O1 X X Port A2

Resonator/

crystal out

4 VSS

S

5 VCAP

S

Digital ground

1.8 V regulator capacitor

6 VDD

7 PA3/

TIM2_CH3

[SPI_NSS]

S

I/O X

XX

Digital power supply

HS O3 X X Port A3

Timer 2

channel 3

SPI master/

slave select

[AFR1]

8 PF4

I/O X

X

O1 X X Port F4

9 PB7

I/O X

XX

O1 X X Port B7

10 PB6

I/O X

11 PB5/ I2C_SDA I/O X

12 PB4/ I2C_SCL I/O X

XX

X

X

O1 X X Port B6

O1 T(3)

Port B5

O1 T(3)

Port B4

I2C data

I2C clock

13 PB3/AIN3/

TIM1_ETR

I/O X

XX

HS O3 X X Port B3

Analog input 3/

Timer 1

external trigger

14 PB2/AIN2/

TIM1_CH3N

I/O X

XX

HS O3 X X Port B2

Analog input 2/

Timer 1 -

inverted

channel 3

DocID018576 Rev 3

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