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Hardware layout
UM1690
UM1690 Rev 3
Figure 3. Top layout
MSv33268V2
ST-LINK/V2
USB ST-LINK
USB USER
LD1
COM LED
LD2
PWR LED
5 V power supply
input/output
CN5
ST-LINK/DISCOVERY
selector
LD3
(red LED)
LD5
(green LED)
LD6
(blue LED)
B2
reset button
B1
user button
Linear touch sensor
/touchkeys
STM32F072RBT6
JP2
Idd measurement
LD4
(orange LED)
CN4
SWD connector
3 V power supply
input/output
CN3
extension or
RF EEPROM connector