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1.4.2. Power Supply Voltage
The evaluation board can be configured to work with +3.3V or +5.25V power
supply voltage. So even the serial interfaces will work with +3.3V or +5.25V
power supply.
Note: The MB90F562 is a 5V only device. The MB90F562L is a 3V only
device. For more detailed electrical characterisations please look at the
corresponding datasheet.
3V3/5V power Supply
(J1)
Figure 3: J1 jumper setting for the Power Suppy voltage (default: 2-3(5V)=5.25V
Power Supply)
NOTE:
If the evaluation board is used with the MB90560L or MB90565 series (low
voltage series), the supply voltage for the µC must be switched to
Vcc=3.3V(Jumper setting J1). Additional it is necessary to connect manually
the C-Pin to Vcc by a wire. Otherwise it could happen that the µC does not
work correctly! (C-Pin: Connector J 18/pin 57 for QFP package, Connector
J17/pin1 for DIL package)
The Jumper J7 is used to connect the Vcc supply voltage to the µC. This jumper
was assigned e.g. to measure the Icc current for the µC separately.
Vcc (J7)
Figure 4: J7 jumper setting for Vcc power Supply (default: J7= 0N)
(J1, J7)
DIP switch setting
1-2 (3V3)
2-3 (5V)
Jumper setting
ON (closed)
OFF (open)
Flash-64P-M01/M09
Description
On board power supply is
3.3V
On board power supply is
5.25V
Descri
ption
Power supply Vcc connected
to µC
Power supply Vcc
disconnected from the µC
Page 9
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