STM8S105XX STMicroelectronics, STM8S105XX Datasheet - Page 28

• Manufacturer Part Number: STM8S105XX
• Description: (STM8S103XX / STM8S105XX) STM8S 8-bit MCU
• Manufacturer: STMicroelectronics

Pinouts and pin description
Table 6.
28/56
number
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
Pin
10 PB5/I2C_SDA
11 PB4/I2C_SCL
12
3
4
5
6
7
8
9
-
-
-
-
-
-
-
-
-
-
NRST
PA1/OSCIN
PA2/OSCOUT
V
VCAP
V
PA3/TIM2_CC3/SPI_NSS
PF4
PB7
PB6
PB3/TIM1_ETR
PB2/TIM1_NCC3
PB1/AIN1/TIM1_NCC2
PB0/AIN0/TIM1_NCC1
PE5/SPI_NSS
PC1/TIM1_CC1
PC2/TIM1_CC2
PC3/TLI/TIM1_CC3/
USART_CK
SS
DD
Pin description for STM8S103 MCUs
Pin name
I/O
I/O X
I/O X
I/O X
I/O X
I/O X
I/O X
I/O X
I/O X
I/O X
I/O X
I/O X
I/O X
I/O X
I/O X
I/O X
I/O X
S
S
S
Input
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X HS O3 X
X
X
X
X
X
X HS O3 X
X HS O3 X
X HS O3 X
X HS O3 X
X HS O3 X
X HS O3 X
X HS O3 X
X HS O3 X
Output
O1 X
O1 X
O1 X
O1 X
O1 X
O1 T
O1 T
(1)
(1)
X Port A1
X Port A2
X Port A3 Timer 2 channel 3
X Port F4
X Port B7
X Port B6
X Port B5 I
X Port B4 I
X Port B3
X Port B2
X Port B1
X Port B0
X Port E5
X Port C1
X Port C2
X Port C3
Reset
Digital ground
1.8 V regulator capacitor
Digital power supply
STM8S103xx, STM8S105xx
Resonator/
crystal in
Resonator/ crystal
out
Timer 1 external
trigger
Timer 1 - inverted
channel 3
Analog input 1/
Timer 1 - inverted
channel 2
Analog input 0/
Timer 1 - inverted
channel 1
SPI master/slave
select
Timer 1 - channel
1
Timer 1 - channel
2
Top level interrupt
Timer 1 - channel
3
Default alternate
2
2
C data
C clock
function
www.DataSheet4U.com
SPI
master/sla
ve select
USART
clock
Alternate
function
[option
remap
after
bit]