Datasheet
Pinouts and pin description STM8AF52/62xx, STM8AF51/61xx
34/110 Doc ID 14395 Rev 9
22 18 - - V
REF+
S———————
ADC positive reference
voltage
—
23 19 13 9 V
DDA
S — — — — — — — Analog power supply —
24 20 14 10 V
SSA
S — — — — — — — Analog ground —
25 21 - - V
REF-
S———————
ADC negative reference
voltage
—
26 22 - - PF0/AIN10 I/O X X——O1X XPort F0
Analog
input 10
—
27 23 15 - PB7/AIN7 I/O X XX—O1XXPort B7
Analog input
7
—
28 24 16 - PB6/AIN6 I/O X XX—O1XXPort B6
Analog input
6
—
29 25 17 11 PB5/AIN5 I/O X XX—O1XXPort B5
Analog input
5
I
2
C_SDA
[AFR6]
30 26 18 12 PB4/AIN4 I/O X XX—O1XXPort B4
Analog input
4
I
2
C_SCL
[AFR6]
31 27 19 13 PB3/AIN3 I/O X XX—O1XXPort B3
Analog input
3
TIM1_ETR
[AFR5]
32 28 20 14 PB2/AIN2 I/O X XX—O1XXPort B2 Analog input
TIM1_CH3N
[AFR5]
33 29 21 15 PB1/AIN1 I/O X XX—O1XXPort B1
Analog input
1
TIM1_CH2N
[AFR5]
34 30 22 16 PB0/AIN0 I/O X XX—O1XXPort B0
Analog input
0
TIM1_CH1N
[AFR5]
35 - - - PH4/TIM1_ETR I/O X X——O1X XPort H4
Timer 1 -
trigger input
—
36---
PH5/
TIM1_CH3N
I/O X X——O1X XPort H5
Timer 1 -
inverted
channel 3
—
37---
PH6/
TIM1_CH2N
I/O X X——O1X XPort H6
Timer 1 -
inverted
channel 2
—
38---
PH7/
TIM1_CH1N
I/O X X——O1X XPort H7
Timer 1 -
inverted
channel 2
—
Table 13. STM8A microcontroller family pin description (continued)
Pin number
Pin name
Type
Input Output
Main
function
(after
reset)
Default
alternate
function
Alternate
function
after remap
[option bit]
LQFP80
LQFP64
LQFP48
LQFP32/VFQFPN32
floating
wpu
Ext. interrupt
High sink
Speed
OD
PP