Figure 3. Top Layout - ST STM32 User Manual

UM1724
CN2
ST-LINK/Nucleo
selector
CN4
SWD connector
B1 USER
button
JP6 IDD
measurement
LD3
(Red LED)
power
CN6
®
ARDUINO
connector
CN7
ST morpho
connector
CN8
®
ARDUINO
connector
32 KHz
crystal(1)
1. Crystal may be present or not depending on board version, refer to

Figure 3. Top layout

Section
UM1724 Rev 14
Hardware layout and configuration
CN1
ST-LINK USB
mini B connector
LD1
(Red/Green LED)
COM
B2
RESET button
SB2
3.3 V regulator output
LD2
(Green LED)
CN5
ARDUINO
CN10
ST morpho connector
CN9
ARDUINO
U5
STM32
microcontroller
6.7.2.
®
connector
® connector
MS34376V3
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