ST STM32F072 User Manual page 21

UM1690
MCU pin
PA8
PA9
PA10
PA11
PA12
PA13
PA14
PA15
PB0
PB1
PB2
PB3
PB4
PB5
PB6
PB7
PB8
Table 8. MCU pin description versus board function (continued)
41
42
43
44
45
46
49
50
26
27
28
55
56
57
58
59
61
Board function
UM1690 Rev 3
Hardware layout
25
24
23
22 SB23
21 SB20
4 20
2 17
16
27 SB31
28 SB32
29
11
10
9
8
7
4
21/27
26