STM8S103XX STMICROELECTRONICS [STMicroelectronics], STM8S103XX Datasheet - Page 25
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STM8S103XX
Manufacturer Part Number
STM8S103XX
Description
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.STM8S103XX.pdf
(56 pages)
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STM8S103xx, STM8S105xx
5.2
Table 5.
Pin number
10
11 10
12 11
13 12
14 13 10 V
15 14
1
2
3
4
5
6
7
8
9
-
1
2
3
4
5
6
7
8
9
-
-
1 NRST
2 PA1/OSCIN
3 PA2/OSCOUT
4 V
5 VCAP
6 V
7 V
8 PF4/AIN12
9 V
- V
- PA3/TIM2_CC3
- PA4
- PA5
- PA6
- PB7/AIN7
Pin description
Table 4.
Reset state is shown in bold.
Pin description for STM8S105 MCUs
Type
Level
Output speed
Port and control
configuration
SSIO_1
SS
DD
DDIO_1
DDA
SSA
Pin name
Legend/abbreviations
I= input, O = output, S = power supply
Input
Output
O1 = Slow (up to 2 MHz)
O2 = Fast (up to 10 MHz)
O3 = Fast/slow programmability with slow as default state after reset
O4 = Fast/slow programmability with fast as default state after reset
Input
Output
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
S
S
S
S
S
S
S
Input
X
X
X
X
X
X
X
X
X
CM = CMOS
HS = High sink
float = floating, wpu = weak pull-up
T = true open drain, OD = open drain, PP = push pull
X
X
X
X
X
X
Output
O1 X
O1 X
O1 X
O1 X
O3 X
O3 X
O3 X
O1 X
X Port A1
X Port A2
X Port F4 Analog input 12
X Port A3 Timer 2 - channel3
X Port A4
X Port A5
X Port A6
X Port B7 Analog input 7
Reset
I/O ground
Digital ground
1.8 V regulator capacitor
Digital power supply
I/O power supply
Analog power supply
Analog ground
Resonator/
crystal in
Resonator/ crystal
out
Default alternate
Pinouts and pin description
function
function after
TIM3_CC1
[AFR1]
[option bit]
Alternate
remap
25/56
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