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 

STM8S103xx, STM8S105xx

Pinouts and pin description

Table 5. Pin description for STM8S105 MCUs (continued)

Pin number

Input

Output

Pin name

Alternate

Default alternate function after

function

remap

[option bit]

39 35 - PE1/I2C_SCL

I/O X X X

O1 T(1) X Port E1 I2C clock

40 36 - PE0/CLK_CCO

I/O X X X

O3 X

X

Port E0

Configurable clock

output

41 37 25 PD0/TIM3_CC2

TIM1_BKIN

I/O X

X

X

HS O3 X

X

Port D0

Timer

3

-

channel

2

[AFR3]/

CLK_CCO

[AFR2]

42 38 26 PD1/SWIM

I/O X

X

X

HS O4 X

X

Port D1

SWIM data

interface

43 39 27 PD2/TIM3_CC1

I/O X

X

X

HS O3 X

X

Port D2

Timer

3

-

channel

1

TIM2_CC3

[AFR1]

44 40 28 PD3/TIM2_CC2

I/O X

X

X

HS O3 X

X

Port D3

Timer

2

-

channel

2

ADC_ETR

[AFR0]

45

41

29

PD4/TIM2_CC1/BEE

P

I/O

X

X

X

HS O3 X

X

Port D4

Timer

2

-

channel

1

BEEP output

[AFR7]

46 42 30 PD5/ LINUART_TX I/O X X X

O1 X

X

Port D5

LINUART data

transmit

47 43 31 PD6/ LINUART_RX I/O X X X

O1 X

X

Port D6

LINUART data

receive

48 44 32 PD7/TLI

I/O X X X

O1 X

X Port D7 Top level interrupt

TIM1_CC4

[AFR4]

1. In the open-drain output column, ‘T’ defines a true open-drain I/O (P-buffer and protection diode to VDD are not

implemented)

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