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3. Jumpers and Switches
This chapter describes all jumpers and switches which can be modified on the evaluation board. The default
setting is shown with a gray shaded area. All jumpers and switches are named directly on the board by its
meaning, so it is very easy to set the jumpers according to the features. For more information please refer to
the Hardware Manual of the microcontroller and the Data Sheet of the Flash-ROM 29LV400TC.
3.1 Power Supply Voltage (SW1, JP11, JP12, JP13, JP14, JP15, JP25)
Power supply voltage
(SW1)
3V3 power supply
(JP11)
5V0 power supply
(JP12)
Bypass Capacitor Pin
(JP13)
Power supply for SMT
(JP14)
5V0 Power supply
(JP15)
Power supply for LEDs
(JP25)
NOTE:
The supply voltage for the core and the IO Pins must be set. Otherwise it could happen that the
controller does not work correctly!
Switch setting
1-2
2-3
Jumper setting
ON (closed)
OFF (open)
Jumper setting
ON (closed)
OFF (open)
Jumper setting
ON (closed)
Voltage regulator enable
OFF (open)
Voltage regulator disable
Jumper setting
ON (closed)
OFF (open)
Jumper setting
ON (closed)
Analog Power supply
OFF (open)
NO Analog Power supply
Jumper setting
ON (closed)
OFF (open)
Description
Power ON
Power OFF
Description
Power supply
NO Power supply
Description
Power supply
NO Power supply
Description
Description
Power supply
NO Power supply
Description
Description
Power supply
NO Power supply
6
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