6.4 Power supply
The power supply can be provided by six different sources:
• A host PC connected to CN1 through a USB cable (default setting)
• An external VIN from 7 V to 12 V power supply connected to CN7 pin 24
• An external E5V 5 V power supply connected to CN7 pin 6
• An external 5V_USB_CHGR 5 V USB charger connected to CN1
• An external 3V3 3.3 V power supply connected to CN7 pin 16
• An external STD_ALONE_5V 5 V power supply to supply only the MCU part and not the STLINK-V3E part
UM2592
Power supply
UM2592 - Rev 1
page 15/49
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