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Mode Select - Fujitsu MB2031-20 Operation Manual

Lqfp-120p daughter board

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3. Using This Daughter Board
I Setting an MCU mode
• • • •
The mode setting short plug (S2) on the daughter board is used to set the operation mode
(MD0 - MD2 pin) of the MCU mounted on the daughter board.
• • • •
To set the pin to High, move the short plug to the VCC side.
• • • •
To set the pin to Low, move the short plug to the GND side.
• • • •
For details on how to set the operation mode of the mounted MCU, refer to the MCU
hardware manual.
I Setting the analog power supply pins
The short plug (S1) for analog power supply pin setting on the daughter board is used for switching
analog power supply pins (AVCC/AVRH/AVSS).
For the information on the analog power supply pins of the MCU, refer to the MCU hardware
manual.
2

MODE SELECT

GND
S2
VCC
MD0 MD1 MD2
Figure 1 Mode settings
ANALOG VCC
AVSS AVRH AVCC
GND VCC VCC
Figure 2 Analog power supply setting
S1

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