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UPD780982 View Datasheet(PDF) - NEC => Renesas Technology

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UPD780982
NEC
NEC => Renesas Technology NEC
UPD780982 Datasheet PDF : 115 Pages
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LIST OF FIGURES
Figure No.
Title
Page
1-1. Use of Sawtooth Wave to Generate PWM Sine Waveform ...............................................................................13
1-2. Switching Timing................................................................................................................................................14
1-3. Dead Time .........................................................................................................................................................14
1-4. Variation of Characteristic Modulation Ratio with Output Frequency.................................................................15
1-5. Generation of PWM Sine Waveform under V/f Control......................................................................................15
2-1. Hardware Configuration .....................................................................................................................................18
2-2. Memory Map ......................................................................................................................................................19
3-1. Program Configuration.......................................................................................................................................25
3-2. Digit Switching ...................................................................................................................................................37
3-3. Segment Arrangement.......................................................................................................................................37
3-4. 8-Segment LED Display Pattern ........................................................................................................................37
3-5. Key Input Port Sampling ....................................................................................................................................38
3-6. Interrupt Variable Setting ...................................................................................................................................40
3-7. Block Diagram of 10-Bit Inverter Control Timer .................................................................................................42
3-8. TM7 Operation Timing .......................................................................................................................................43
3-9. Sine Wave Table ...............................................................................................................................................44
3-10. V/f Modulation....................................................................................................................................................44
3-11. Offset Revision According to V/f Modulation .....................................................................................................44
3-12. Safety Stop Conditions .......................................................................................................................................45
4-1. Time Required for Timing Set Interrupt Processing...........................................................................................46
Application Note U13119EJ4V0AN
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