Datasheet

Figure 4: LQFP 44-pin pinout
AIN6/PB6
[I2C_SDA] AIN5/PB5
[TIM1_ETR] AIN3/PB3
[TIM1_CH3N] AIN2/PB2 [TIM1_CH2N] AIN1/PB1 [TIM1_CH1N] AIN0/PB0
AIN9/PE6
VDDA
VSSA
AIN7/PB7
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
VSS
VCAP
VDD
VDDIO_1
(HS) PA4
(HS) PA5
(HS) PA6
NRST
OSCIN/PA1
OSCOUT/PA2
VSSIO_1
VDDIO_2
VSSIO_2
PC5 (HS)/SPI_SCK
PC3 (HS)/TIM1_CH3
PC2 (HS)/TIM1_CH2
PC1 (HS)/TIM1_CH1
PE5/SPI_NSS/UART2_CK
PG1
PG0
PC7 (HS)/SPI_MISO
PC6 (HS)/SPI_MOSI
PD3 (HS)/TIM2_CH2 [ADC_ETR] PD2 (HS)/TIM3_CH1 [TIM2_CH3] PD1 (HS)/SWIM PE1 (T)/I2C_SCL PE2 (T)/I2C_SDA PD7/TLI [TIM1_CH4] PD6/UART2_RX PD5/UART2_TX PD4 (HS)/TIM2_CH1 [BEEP] PE0 (HS)/CLK_CCO PD0 (HS)/TIM3_CH2 [TIM1_BKIN] [CLK_CCO]
[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).
DocID14771 Rev 1222/124
STM8S105xxPinout and pin description