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Hardware layout
UM1690
20/27
UM1690 Rev 3
5.14 Extension connectors
The male headers P1 and P2 can connect the STM32F072 Discovery kit to a standard
prototyping/wrapping board. STM32F072RBT6 GPIOs are available on these connectors.
P1 and P2 can also be probed by an oscilloscope, logical analyzer or voltmeter.
Table 8. MCU pin description versus board function
MCU pin
Board function
Main function
LQ
FP6
4 p
in
nu
m.
System
L
in
ear
to
uc
h
sen
so
r
I3G4250
D
EXT/ RF-E2P
Pushbutton
LED
USB USER
Fre
e
I/
O
Power supply
CN3
CN4
P1
P2
SBx
(1
)
BOOT0 60
BOOT0
-
-
-
-
-
-
-
-
-
-
-
6
-
NRST
7
NR
ST
-
-
-
RES
E
T
-
-
-
-
-
5
10
-
-
PA0
14
-
-
-
-
USER
-
-
-
-
-
-
15
-
-
PA1
15
-
-
-
-
-
-
-
PA
1
-
-
-
16
-
-
PA2
16
-
T
S
_G1_IO3
-
-
-
-
-
-
-
-
-
17
-
SB27
PA3
17
-
T
S
_G1_IO4
-
-
-
-
-
-
-
-
-
18
-
SB28
PA4
20
-
-
-
-
-
-
-
PA
4
-
-
-
21
-
-
PA5
21
-
-
-
-
-
-
-
PA
5
-
-
-
22
-
-
PA6
22
-
TS_G2_IO3
-
-
-
-
-
-
-
-
-
23
-
SB29
PA7
23
-
TS_G2_IO4
-
-
-
-
-
-
-
-
-
24
-
SB30