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TABLE OF CONTENTS
Section Title Page
1.
System Configuration..................................................................................... 3
1-1.
System Configuration .................................................................................... 3
1-2.
Microprocessor Interface............................................................................... 5
2.
Power Supply Circuit...................................................................................... 7
2-1.
Discriminating Power Supplies...................................................................... 7
2-2.
Over-discharge Protection Circuit ................................................................. 8
2-3.
Generated Power Voltages ........................................................................... 9
2-4.
Supplying Power and Controls in Each Block ..............................................11
♦
Supplying the Power to the System Controller IC and Timer (RTC) IC ...11
♦
Detection of Memory Stick and Supplying the Power............................. 12
♦
Supplying Power during WAKE UP Mode .............................................. 13
♦
Supplying Power during SLEEP Mode................................................... 13
♦
Transition from SLEEP Mode to WAKE UP Mode.................................. 15
♦
Key Matrix .............................................................................................. 16
2-5.
Reset Circuit................................................................................................ 16
3.
Signal Circuit................................................................................................. 17
3-1.
Operation during Recording ........................................................................ 17
3-2.
Operation during Playback .......................................................................... 19
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