STM8S103F2 datasheet(21/117 Pages) STMICROELECTRONICS

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Figure 4: STM8S103Kx SDIP32 pinout

[TIM2_CH2] ADC_ETR/(HS) PD3

BEEP/TIM2_CH1/(HS) PD4

UART1_TX(/HS) PD5

UART1_RX/(HS) PD6

[TIM1_CH4] TLI/(HS) PD7

OSCIN/PA1

OSCOUT/PA2

VSS

VCAP

VDD

[SPI_NSS] TIM2_CH3/(HS) PA3

PB6

PB3 (HS)/TIM1_ETR/AIN3

PB2 (HS)/TIM1_CH3N/AIN2

PB1 (HS)/TIM1_CH2N/AIN1

PB0 (HS)/TIM1_CH1N/AIN0

PE5/SPI_NSS

PC1 (HS)/TIM1_CH1/UART1_CK

PC2( HS)/TIM1_CH2

PC3 (HS)/TIM1_CH3

PC4( HS)/TIM1_CH4/CLK_CCO

PC5 (HS)/SPI_SCK

PC6 (HS)/SPI_MOSI

PC7 (HS)/SPI_MISO

PD0 (HS)/TIM1_BKIN [CLK_CCO]

PD1 (HS)/SWIM

PD2 (HS) [TIM2_CH3]

PB7

I2C_SDA/(T) PB5

NRST

PF4

PB4 (T)/I2C_SCL

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).

Table 5: UFQFPN32/LQFP32/SDIP32 pin description

Alternate

function after

remap [option

bit]

Default alternate

function

Main

function

(after

reset)

Output

Input

Type

name

LQFP/

UFQFP

SDIP

Speed

High

sink

(1)

Ext.

interrupt

wpu

floating

Reset

I/O

NRST

Resonator/ crystal in

Port A1

I/O

PA1/

OSCIN

(2)

Resonator/ crystal out

Port A2

I/O

PA2/

OSCOUT

Digital ground

VSS

1.8 V regulator capacitor

VCAP

Digital power supply

VDD

SPI master/

slave select

[AFR1]

Timer 2 channel 3

Port A3

I/O

PA3/

TIM2_CH3

[SPI_NSS]

21/117

DocID15441 Rev 9

Pinout and pin description

STM8S103K3 STM8S103F3 STM8S103F2

STM8S103F2 数据表(PDF) 21 Page - STMicroelectronics

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