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Número de pieza D78F9222
Descripción UPD78F9222
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1. - UPD78F9222 - 8-Bit Microcontroller






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Preliminary User’s Manual
78K0S/KA1+www.DataSheet4U.com
8-Bit Single-Chip Microcontrollers
µPD78F9221
µPD78F9222
Document No. U16898EJ1V0UD00 (1st edition)
Date Published November 2003 N CP(K)
©
Printed in Japan
2003

1 page




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Regional Information
Some information contained in this document may vary from country to country. Before using any NEC
Electronics product in your application, pIease contact the NEC Electronics office in your country to
obtain a list of authorized representatives and distributors. They will verify:
Device availability
Ordering information
Product release schedule
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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.
[GLOBAL SUPPORT]
http://www.necel.com/en/support/support.html
NEC Electronics America, Inc. (U.S.)
Santa Clara, California
Tel: 408-588-6000
800-366-9782
NEC Electronics (Europe) GmbH
Duesseldorf, Germany
Tel: 0211-65 03 01
• Sucursal en España
Madrid, Spain
Tel: 091-504 27 87
• Succursale Française
Vélizy-Villacoublay, France
Tel: 01-30-67 58 00
• Filiale Italiana
Milano, Italy
Tel: 02-66 75 41
• Branch The Netherlands
Eindhoven, The Netherlands
Tel: 040-244 58 45
• Tyskland Filial
Taeby, Sweden
Tel: 08-63 80 820
NEC Electronics Hong Kong Ltd.
Hong Kong
Tel: 2886-9318
NEC Electronics Hong Kong Ltd.
Seoul Branch
Seoul, Korea
Tel: 02-558-3737
NEC Electronics Shanghai, Ltd.
Shanghai, P.R. China
Tel: 021-6841-1138
NEC Electronics Taiwan Ltd.
Taipei, Taiwan
Tel: 02-2719-2377
NEC Electronics Singapore Pte. Ltd.
Novena Square, Singapore
Tel: 6253-8311
• United Kingdom Branch
Milton Keynes, UK
Tel: 01908-691-133
J03.4
Preliminary User’s Manual U16898EJ1V0UD
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6.4.6 One-shot pulse output operation ............................................................................................... 109
6.5 Cautions Related to 16-Bit Timer/Event Counter 00 ............................................................114
CHAPTER 7 8-BIT TIMER 80..............................................................................................................118
7.1 Function of 8-Bit Timer 80.......................................................................................................118
7.2 Configuration of 8-Bit Timer 80 ..............................................................................................119
7.3 Register Controlling 8-Bit Timer 80 .......................................................................................121
7.4 Operation of 8-Bit Timer 80.....................................................................................................122
7.4.1 Operation as interval timer ........................................................................................................ 122
7.5 Notes on 8-Bit Timer 80...........................................................................................................124
www.DataSheet4U.comCHAPTER 8 8-BIT TIMER H1 ............................................................................................................. 125
8.1 Functions of 8-Bit Timer H1 .................................................................................................... 125
8.2 Configuration of 8-Bit Timer H1 .............................................................................................125
8.3 Registers Controlling 8-Bit Timer H1.....................................................................................128
8.4 Operation of 8-Bit Timer H1 ....................................................................................................131
8.4.1 Operation as interval timer/square-wave output ........................................................................ 131
8.4.2 Operation as PWM output mode ............................................................................................... 134
CHAPTER 9 WATCHDOG TIMER .......................................................................................................140
9.1 Functions of Watchdog Timer ................................................................................................140
9.2 Configuration of Watchdog Timer..........................................................................................142
9.3 Registers Controlling Watchdog Timer .................................................................................143
9.4 Operation of Watchdog Timer ................................................................................................145
9.4.1 Watchdog timer operation when “low-speed Ring-OSC cannot be stopped” is selected by
option byte................................................................................................................................. 145
9.4.2 Watchdog timer operation when “low-speed Ring-OSC can be stopped by software” is
selected by option byte.............................................................................................................. 147
9.4.3 Watchdog timer operation in STOP mode (when “low-speed Ring-OSC can be
stopped by software” is selected by option byte)....................................................................... 149
9.4.4 Watchdog timer operation in HALT mode (when “low-speed Ring-OSC can be
stopped by software” is selected by option byte)....................................................................... 151
CHAPTER 10 A/D CONVERTER .........................................................................................................152
10.1 Functions of A/D Converter ....................................................................................................152
10.2 Configuration of A/D Converter..............................................................................................155
10.3 Registers Used by A/D Converter ..........................................................................................157
10.4 A/D Converter Operations.......................................................................................................162
10.4.1 Basic operations of A/D converter ............................................................................................. 162
10.4.2 Input voltage and conversion results ......................................................................................... 164
10.4.3 A/D converter operation mode................................................................................................... 165
10.5 How to Read A/D Converter Characteristics Table ..............................................................167
10.6 Cautions for A/D Converter ....................................................................................................169
CHAPTER 11 SERIAL INTERFACE UART6......................................................................................173
Preliminary User’s Manual U16898EJ1V0UD
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