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PDF UPD780983 Data sheet ( Hoja de datos )
| Número de pieza | UPD780983 | |
| Descripción | Inverter control Application Note 8-Bit Single-Chip Microcontrollers | |
| Fabricantes | NEC | |
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Application Note
µPD780988 Subseries
8-Bit Single-Chip Microcontrollers
Inverter control
µPD780982
µPD780983
µPD780984
µPD780986
µPD780988
µPD78F0988A
Document No. U13119EJ4V0AN00 (4th edition)
Date Published July 2001 J CP(K)
© 1999971, 1999
Printed in Japan
1 page  
Regional Information
Some information contained in this document may vary from country to country. Before using any NEC
product in your application, pIease contact the NEC office in your country to obtain a list of authorized
representatives and distributors. They will verify:
• Device availability
• Ordering information
• Product release schedule
• Availability of related technical literature
• Development environment specifications (for example, specifications for third-party tools and
components, host computers, power plugs, AC supply voltages, and so forth)
• Network requirements
In addition, trademarks, registered trademarks, export restrictions, and other legal issues may also vary
from country to country.
NEC Electronics Inc. (U.S.)
Santa Clara, California
Tel: 408-588-6000
800-366-9782
Fax: 408-588-6130
800-729-9288
NEC Electronics (Germany) GmbH
Duesseldorf, Germany
Tel: 0211-65 03 02
Fax: 0211-65 03 490
NEC Electronics (UK) Ltd.
Milton Keynes, UK
Tel: 01908-691-133
Fax: 01908-670-290
NEC Electronics Italiana s.r.l.
Milano, Italy
Tel: 02-66 75 41
Fax: 02-66 75 42 99
NEC Electronics (Germany) GmbH
Benelux Office
Eindhoven, The Netherlands
Tel: 040-2445845
Fax: 040-2444580
NEC Electronics (France) S.A.
Velizy-Villacoublay, France
Tel: 01-3067-5800
Fax: 01-3067-5899
NEC Electronics (France) S.A.
Madrid Office
Madrid, Spain
Tel: 091-504-2787
Fax: 091-504-2860
NEC Electronics (Germany) GmbH
Scandinavia Office
Taeby, Sweden
Tel: 08-63 80 820
Fax: 08-63 80 388
NEC Electronics Hong Kong Ltd.
Hong Kong
Tel: 2886-9318
Fax: 2886-9022/9044
NEC Electronics Hong Kong Ltd.
Seoul Branch
Seoul, Korea
Tel: 02-528-0303
Fax: 02-528-4411
NEC Electronics Singapore Pte. Ltd.
Novena Square, Singapore
Tel: 253-8311
Fax: 250-3583
NEC Electronics Taiwan Ltd.
Taipei, Taiwan
Tel: 02-2719-2377
Fax: 02-2719-5951
NEC do Brasil S.A.
Electron Devices Division
Guarulhos-SP, Brasil
Tel: 11-6462-6810
Fax: 11-6462-6829
J01.2
Application Note U13119EJ4V0AN
5
5 Page 
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
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet UPD780983.PDF ] | |
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