Hardware and layout
UM1574
22/48
Doc ID 023645 Rev 1
Table 5.
STM8AF board P2 pinout microcontroller connectivity
Pin number
P2
Pin number
STM8AF
MCU
Board pin
name
Type
Main function
Alternate function
1
GND
Digital ground
2
1
NRST
I/O
Reset
3
48
PD7
I/O
Port D7
TLI
4
45
PD4
I/O
Port D4
Timer 2 - channel 1
5
43
PD2
I/O
Port D2
Timer 3 - channel 1
6
12
PA6
I/O
Port A6
USART synchronous clock
7
40
PE0
I/O
Port E0
CCO Configurable clock output
8
24
PE6
I/O
Port E6
Analog input AIN9
9
29
PC4
I/O
Port C4
Timer 1 - channel 4
10
27
PC2
I/O
Port C2
Timer 1 - channel 2
11
26
PC1
I/O
Port C1
Timer 1 - channel 1
12
V
DD
Microcontroller Digital power supply
Table 6.
STM8AF board P3 pinout L99PM62GXP connectivity
(1)
1.
For additional information on L99PM62GXP device connectivity, please refer to product datasheet
available at www.st.com.
Pin number
P3
Pin number
STM8AF
MCU
Board pin
name
Type
Main function
1
5V
5 V board power supply (output 5V1 from
L99PM62GXP)
2
20
WU1
I
Wake-up input 1
3
28
OUT2
O
High-side driver output (7
, typ.)
4
29
OUT1
O
High-side driver output (7
, typ.)
5
30
O_HS
O
High-side driver (1
, typ.)
6
34
REL1
O
Low-side driver output (2
typ.)
7
35
REL2
O
Low-side driver output (2
typ.)
8
GND
Digital
ground
9
V
BAT
I
External power supply (12 Vdc typ.)