Figure 4. Bottom Layout - ST STM32F072 User Manual

UM1690
P2 connector
SB1, 3, 6, 8
Reserved
SB2, 4, 7, 9
Default
SB11,12
RX, TX
SB19
MCO
SB16
VDDIO2
SB20, 23
USB-USER
SB22
B2-RESET

Figure 4. Bottom layout

UM1690 Rev 3
Hardware layout
P1 connector
SB5
STM_RST
SB10
NRST
JP2
SB15
VBAT
SB13, 14
X2 crystal
SB17, 18
X3 crystal
SB21 B1-USER
SB24, 25
GND, VDD
SB26
VDDA
SB27-32
Touch sensor
MSv33269V2
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