ST 32F072BDISCOVERY, User Manual, Page: 24 / 27

Hardware layout UM1690
24/27 UM1690 Rev 3
- - - - - - - - - -
3V
5
-
1
- -
- - - - - - - - - -
GN
D
7 3 2 2
-
- - - - - - - - - -
GND
- -
9
- -
- - - - - - - - - -
GND
- -
19
- -
- - - - - - - - - -
GN
D
- -
33 33
-
1. Depending on SBx, connected to STM32F072RBT6 MCU pin or board function. (Refer to the schematics
on www.st.com for more detail)
Table 8. MCU pin description versus board function (continued)
MCU pin Board function
M
a
in function
LQ
FP64
p
in
nu
m.
Sy
stem
Li
ne
ar tou
ch se
ns
or
I3G42
50D
EX
T
/ RF
-E
2P
P
u
shbutton
LED USB U
S
ER
Fre
e I/
O
Po
w
er su
pp
ly
CN3 CN4 P1 P2 SB
x
(1
)