Datasheet
DocID14771 Rev 15 27/121
STM8S105x4/6 Pinout and pin description
30
77611 VDD S -------Digital power supply -
88712 VDDIO_1 S ------- I/O power supply -
9---
PA3/ TIM2_CH3
[TIM3_CH1]
I/O X X X - O1 X X Port A3
Timer 2 -
channel 3
TIM3_
CH1
[AFR1]
10 9 - - PA4 I/O X
X X HS O3 X X Port A4 - -
11 10 - - PA5 I/O X
X X HS O3 X X Port A5 - -
12 11 - - PA6 I/O X
X X HS O3 X X Port A6 - -
--813PF4/ AIN12
(1)
I/O X X- -O1XX Port F4
Analog
input
12
(2)
-
1312914 VDDA S -------Analog power supply -
14 13 10 15 VSSA S - - - ---- Analog ground -
15 14 - - PB7/ AIN7 I/O X X X - O1 X X Port B7
Analog
input 7
-
16 15 - - PB6/ AIN6 I/O X
X X - O1 X X Port B6
Analog
input 6
-
17 16 11 16
PB5/ AIN5
[I2C_ SDA]
I/O X
X X - O1 X X Port B5
Analog
input 5
I
2C_SDA
[AFR6]
18 17 12 17
PB4/ AIN4
[I2C_SCL]
I/O X
X X - O1 X X Port B4
Analog
input 4
I2C_SCL
[AFR6]
19 18 13 18
PB3/ AIN3
[TIM1_ETR]
I/O X
X X - O1 X X Port B3
Analog
input 3
TIM1_ET
R [AFR5]
20 19 14 19
PB2/ AIN2
[TIM1_CH3N]
I/O X
X X - O1 X X Port B2
Analog
input 2
TIM1_CH
3N
[AFR5]
21 20 15 20
PB1/ AIN1
[TIM1_CH2N]
I/O X
X X - O1 X X Port B1
Analog
input 1
TIM1_CH
2N
[AFR5]
22 21 16 21
PB0/ AIN0
[TIM1_CH1N]
I/O X
X X - O1 X X Port B0
Analog
input 0
TIM1_CH
1N
[AFR5]
23 - - - PE7/ AIN8 I/O X
X X - O1 X X Port E7
Analog
input 8
-
Table 5. STM8S105x4/6 pin description (continued)
Pin number
Pin name Type
Input Output
Main
function
(after
reset)
Default
alternate
function
Alternate
function
after
remap
[option
bit]
LQFP48
LQFP44
LQFP32/UFQFPN32
SDIP32
Floating
wpu
Ext. interrupt
High sink
Speed
OD
PP
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