Datasheet

STM8S103Fx TSSOP20/SO20/UFQFPN20 pinout and pin
description
5.2
STM8S103Fx TSSOP20/SO20 pinout5.2.1
Figure 5: STM8S103Fx TSSOP20/SO20 pinout
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
UART1_CK/TIM2_CH1/BEEP/(HS) PD4
NRST
V
DD
VCAP
V
SS
OSCOUT/PA2
PD3 (HS)/AIN4/TIM2_CH2/ADC_ETR
PD1 (HS)/SWIM
PB4 (T)/I2C_SCL [ADC_ETR]
PC3 (HS)/TIM1_CH3 [TLI] [TIM1_CH1N]
PC4 (HS)/TIM1_CH4/CLK_CCO/AIN2 [TIM1_CH2N]
PC5 (HS)/SPI_SCK [TIM2_CH1]
12
11
9
10
[SPI_NSS] TIM2_CH3/(HS) PA3
PD2 (HS)/AIN3 [TIM2_CH3]
OSCIN/PA1
PB5 (T)/I2C_SDA [TIM1_BKIN]
UART1_TX/AIN5/(HS) PD5
UART1_RX/AIN6/(HS) PD6
PC6 (HS)/SPI_MOSI [TIM1_CH1]
PC7 (HS)/SPI_MISO [TIM1_CH2]
1. HS high sink capability.
2. (T) True open drain (P-buffer and protection diode to V
DD
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).
DocID15441 Rev 924/117
STM8S103K3 STM8S103F3 STM8S103F2Pinout and pin description