Figure 3. Board Layout (Top View) - ST STM32F3DISCOVERY User Manual

Hardware layout and configuration
ST-LINK/V2
Red PWR LED
(LD1)
SWD connector
(CN3)
I measurement
DD
(JP3)
3 V Power
supply
input/output
User button
(B1)
Red LED
(LD3)
Blue LED
(LD4)
Green LED
(LD6)
Orange LED
(LD8)
Note: A square identifies pin 1 of CN3, CN4, JP3, JP4, P1, and P2 connectors.
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Figure 3. Board layout (top view)

Red/green COM LED
(LD2)
UM1570 Rev 7
UM1570
USB USER
ST-LINK/
STM32F3DISCOVERY
Selector
(CN4)
LSM303DLHC
5 V Power
supply
input/output
STM32F303VCT6
L3GD20
Reset button
(B2)
Orange LED
(LD5)
Green LED
(LD7)
Blue LED
(LD9)
Red LED
(LD10)