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PDF UPD78F0103 Data sheet ( Hoja de datos )
| Número de pieza | UPD78F0103 | |
| Descripción | 8-Bit Single-Chip Microcontrollers | |
| Fabricantes | NEC | |
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User’s Manual
78K0/KB1
8-Bit Single-Chip Microcontrollers
µPD780101
µPD780102
µPD780103
µPD78F0103
µPD780101(A) µPD780101(A1) µPD780101(A2)
µPD780102(A) µPD780102(A1) µPD780102(A2)
µPD780103(A) µPD780103(A1) µPD780103(A2)
µPD78F0103(A) µPD78F0103(A1)
Document No. U15836EJ4V0UD00 (4th edition)
Date Published November 2003 N CP(K)
c
Printed in Japan
1 page  
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
• 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
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Tel: 0211-65 03 01
• Sucursal en España
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• Branch The Netherlands
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Tel: 040-244 58 45
• Tyskland Filial
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NEC Electronics Hong Kong Ltd.
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• United Kingdom Branch
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Tel: 01908-691-133
J03.4
User’s Manual U15836EJ4V0UD
5
5 Page 
3.4 Operand Address Addressing .................................................................................................. 58
3.4.1 Implied addressing .........................................................................................................................58
3.4.2 Register addressing........................................................................................................................59
3.4.3 Direct addressing............................................................................................................................60
3.4.4 Short direct addressing...................................................................................................................61
3.4.5 Special function register (SFR) addressing ....................................................................................62
3.4.6 Register indirect addressing ...........................................................................................................63
3.4.7 Based addressing...........................................................................................................................64
3.4.8 Based indexed addressing .............................................................................................................65
3.4.9 Stack addressing ............................................................................................................................66
CHAPTER 4 PORT FUNCTIONS........................................................................................................... 67
4.1 Port Functions............................................................................................................................ 67
4.2 Port Configuration ..................................................................................................................... 68
4.2.1 Port 0..............................................................................................................................................69
4.2.2 Port 1..............................................................................................................................................72
4.2.3 Port 2..............................................................................................................................................77
4.2.4 Port 3..............................................................................................................................................78
4.2.5 Port 12............................................................................................................................................79
4.2.6 Port 13............................................................................................................................................80
4.3 Registers Controlling Port Function ........................................................................................ 80
4.4 Port Function Operations.......................................................................................................... 84
4.4.1 Writing to I/O port ...........................................................................................................................84
4.4.2 Reading from I/O port .....................................................................................................................84
4.4.3 Operations on I/O port ....................................................................................................................84
CHAPTER 5 CLOCK GENERATOR ...................................................................................................... 85
5.1 Functions of Clock Generator .................................................................................................. 85
5.2 Configuration of Clock Generator ............................................................................................ 85
5.3 Registers Controlling Clock Generator ................................................................................... 87
5.4 System Clock Oscillator............................................................................................................ 93
5.4.1 X1 oscillator ....................................................................................................................................93
5.4.2 Ring-OSC oscillator ........................................................................................................................95
5.4.3 Prescaler ........................................................................................................................................95
5.5 Clock Generator Operation ....................................................................................................... 95
5.6 Time Required to Switch Between Ring-OSC Clock and X1 Input Clock .......................... 100
5.7 Time Required for CPU Clock Switchover ............................................................................ 100
5.8 Clock Switching Flowchart and Register Setting ................................................................. 101
5.8.1 Switching from Ring-OSC clock to X1 input clock ........................................................................101
5.8.2 Switching from X1 input clock to Ring-OSC clock ........................................................................102
5.8.3 Register settings...........................................................................................................................103
CHAPTER 6 16-BIT TIMER/EVENT COUNTER 00........................................................................... 104
6.1 Functions of 16-Bit Timer/Event Counter 00......................................................................... 104
6.2 Configuration of 16-Bit Timer/Event Counter 00 .................................................................. 105
6.3 Registers Controlling 16-Bit Timer/Event Counter 00.......................................................... 109
6.4 Operation of 16-Bit Timer/Event Counter 00 ......................................................................... 115
6.4.1 Interval timer operation.................................................................................................................115
User’s Manual U15836EJ4V0UD
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet UPD78F0103.PDF ] | |
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