ST STM32F030

DocID025097 Rev 1 9/39
UM1658 Hardware and layout
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Figure 3. Top layout
Note: Pin 1 of CN2, CN3, P1 and P2 connectors are identified by a square.
(red/green LED) LD2
COM
CN3
SWD connector
IDD measurement
ST-LINK/V2
B1 user button
B2 reset button
LD1 (red LED)
PWR
CN2
ST-LINK/DISCOVERY
selector
(green LED) LD3
LD4 (blue LED)
STM32F030R8T6
JP2
5V power supply
input output
3V power supply
input output
SB1 (VDD)
SB3 (B1-USER)
SB4 (B2-RESET)
MS31936V1
MB1134 revA
STM32F0308-DISCO