Datasheet

STM8S105 pinouts and pin description5.1
Figure 3: LQFP 48-pin pinout
44 43 42 41 40 39 38 37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
12
13 14 15 16 17 18
19 20 21 22
1
2
3
4
5
6
7
8
9
10
11
48 47 46 45
(HS) PA6
AIN8/PE7
PC1 (HS)/TIM1_CH1/UART2_CK
PE5/SPI_NSS
PG1
AIN9/PE6
PD3 (HS)/TIM2_CH2 [ADC_ETR] PD2 (HS)/TIM3_CH1 [TIM2_CH3] PE0 (HS)/CLK_CCO PE1 (T)/I2C_SCL PE2 (T)/I2C_SDAA PE3/TIM1_BKIN PD7/TLI [TIM1_CH4] PD6/UART2_RX PD5/UART2_TX PD4 (HS)/TIM2_CH1 [BEEP] PD1 (HS)/SWIM PD0 (HS)/TIM3_CH2 [TIM1_BKIN] [CLK_CCO]
VSSIO_2
PC5 (HS)/SPI_SCK
PC4 (HS)/TIM1_CH4
PC3 (HS)/TIM1_CH3
PC2 (HS)/TIM1_CH2
PG0
PC7 (HS)/SPI_MISO
PC6 (HS)/SPI_MOSI
VDDIO_2
AIN7/PB7 AIN6/PB6
[I2C_SDA] AIN5/PB5
[TIM1_ETR] AIN3/PB3
[TIM1_CH3N] AIN2/PB2 [TIM1_CH2N] AIN1/PB1 [TIM1_CH1N] AIN0/PB0
VDDA
VSSA
VSS
VCAP
VDD
VDDIO_1
[TIM3_CH1] TIM2_CH3/PA3
(HS) PA4
(HS) PA5
NRST
OSCIN/PA1
OSCOUT/PA2
VSSIO_1
[I2C_SCL] AIN4/PB4
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).
21/124DocID14771 Rev 12
Pinout and pin descriptionSTM8S105xx