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Preliminary Product Information
6
μ
PD789121, 789122, 789124
CONTENTS
1. PIN CONFIGURATION (TOP VIEW) .................................................................................................
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2. BLOCK DIAGRAM.............................................................................................................................
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3. PIN FUNCTIONS................................................................................................................................
3.1 Port Pins..................................................................................................................................................
3.2 Non-Port Pins..........................................................................................................................................
3.3 Pin Input/Output Circuits and Handling of Unused Pins ....................................................................
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4. MEMORY SPACE ..............................................................................................................................
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5. PERIPHERAL HARDWARE FUNCTIONS ........................................................................................
5.1 Ports ........................................................................................................................................................
5.2 Clock Generator......................................................................................................................................
5.3 Timer........................................................................................................................................................
5.4 A/D Converter..........................................................................................................................................
5.5 Serial Interface........................................................................................................................................
5.6 Multiplier..................................................................................................................................................
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6. INTERRUPT FUNCTION....................................................................................................................
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7. STANDBY FUNCTION.......................................................................................................................
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8. RESET FUNCTION ............................................................................................................................
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9. INSTRUCTION SET ...........................................................................................................................
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10. ELECTRICAL CHARACTERISTICS .................................................................................................
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11. PACKAGE DRAWINGS.....................................................................................................................
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APPENDIX A DEVELOPMENT TOOLS..................................................................................................
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APPENDIX B RELATED DOCUMENTS .................................................................................................
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