STM8S103K3U6B View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STM8S103K3U6B

Access line, STM8S 8-bit MCU, up to 32 Kbytes Flash, 10-bit ADC, timers, USART, SPI, I²C

STMicroelectronics 

Pinouts and pin description

Table 5. Pin description for STM8S105 MCUs (continued)

Pin number

Input

Output

Pin name

STM8S103xx, STM8S105xx

Alternate

Default alternate function after

function

remap

[option bit]

16 15 - PB6/AIN6

17 16 11 PB5/AIN5

18 17 12 PB4/AIN4

19 18 13 PB3/AIN3

20 19 14 PB2/AIN2

21 20 15 PB1/AIN1

22 21 16 PB0/AIN0

23 - - PE7/AIN8

24 22 PE6/AIN9

25 23 17 PE5/SPI_NSS

26

24

18

PC1/TIM1_CC1/

LINUART_CK

27 25 19 PC2/TIM1_CC2

28 26 20 PC3/TIM1_CC3

29 - 21 PC4/TIM1_CC4

30 27 22 PC5/SPI_SCK

31 28

32 29

- VSSIO_2

- VDDIO_2

33 30 23 PC6/SPI_MOSI

34 31 24 PC7/SPI_MISO

35 32 - PG0

36 33 - PG1

37 - - PE3/TIM1_BKIN

38 34 - PE2/I2C_SDA

I/O X X X

I/O X X X

I/O X X X

O1 X X Port B6 Analog input 6

O1 X X Port B5 Analog input 5

O1 X X Port B4 Analog input 4

I2C_SDA

[AFR6]

I2C_SCL

[AFR6]

I/O X X X

O1 X X Port B3 Analog input 3

TIM1_ETR

[AFR5]

I/O X X X

O1 X X Port B2 Analog input

TIM1_NCC3

[AFR5]

I/O X X X

O1 X X Port B1 Analog input 1

TIM1_NCC2

[AFR5]

I/O X X X

O1 X X Port B0 Analog input 0

TIM1_NCC1

[AFR5]

I/O X X X

O1 X X Port E7 Analog input 8

I/O X X X

O1 X X Port E7 Analog input 9

I/O X X X

O1 X

X

Port E5

SPI master/slave

select

Timer 1 - channel 1

I/O X X X HS O3 X X Port C1 / LINUART

synchronous clock

I/O X X X HS O3 X X Port C2 Timer 1- channel 2

I/O X X X HS O3 X X Port C3 Timer 1 - channel 3

I/O X X X HS O3 X X Port C4 Timer 1 - channel 4

I/O X X X

O3 X X Port C5 SPI clock

S

I/O ground

S

I/O power supply

I/O X X X

O3 X

X

Port C6

SPI master out/

slave in

I/O X X X

O3 X

X

Port C7

SPI master in/

slave out

I/O X X

O1 X X Port G0

I/O X X

O1 X X Port G1

I/O X X X

I/O X X X

O1 X

X

Port E3

Timer 1 - break

input

O1 T(1) X Port E2 I2C data

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