
Hardware layout and configuration
UM2140
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DocID029990 Rev 1
Table 3. Control port assignment
Reference
Color
Name
Comment
B1
BLUE
USER
Alternate function Wake-up
B2
BLACK
RESET
-
LD1
BLUE
ARDUINO
PA5
LD2
RED
5 V Power
-
LD3
RED
Fault Power
Current upper than 625 mA
LD4
RED/GREEN
STLINK COM
Green when communication
LD5
RED
USER1
PA7
LD6
GREEN
USER2
PB1
LD7
RED
USB OTG HS OVCR
PH10
LD8
GREEN
V
BUS
USB HS
PB13
LD9
RED
USB OTG FS OVCR
PB10
LD10
GREEN
V
BUS
USB FS
PA9