NEC uPD78081(A) Manuals

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NEC uPD78081(A) User Manual (274 pages)

8-BIT SINGLE-CHIP MICROCONTROLLER

Brand: NEC | Category: Computer Hardware | Size: 1.44 MB

Table of Contents
12
Chapter 1 Outline

24
- Features
  
  24
- Applications
  
  25
- Ordering Information
  
  25
- Quality Grade
  
  26
- Pin Configuration (Top View)
  
  27
- Series Development
  
  32
- Block Diagram
  
  34
- Outline of Function
  
  35
- Differences between the PD78081, 78082 and 78P083, the PD78081(A), 78082(A) and 78P083(A), and the PD78081(A2)
  
  36
Chapter 2 Pin Function

38
- Pin Function List
  
  38
  - Normal Operating Mode Pins
    38
  - PROM Programming Mode Pins ( PD78P083 Only)
    39
- Description of Pin Functions
  
  40
  - P00 to P03 (Port 0)
    40
  - P10 to P17 (Port 1)
    40
  - P30 to P37 (Port 3)
    41
  - P50 to P57 (Port 5)
    41
  - P70 to P72 (Port 7)
    42
  - P100 to P101 (Port 10)
    42
  - Av Ref
    43
  - Av DD
    43
  - Av Ss
    43
  - Reset
    43
  - X1 and X2
    43
  - VDD
    43
  - Vss
    43
  - PP ( PD78P083 Only)
    43
  - IC (Mask ROM Version Only)
    44
  - NC (44-Pin Plastic QFP Versions Only)
    44
- Pin Input/Output Circuits and Recommended Connection of Unused Pins
  
  45
  - Type of Input/Output Circuit of each Pin
    45
  - Pin Input/Output Circuit of List
    46
Chapter 3 Cpu Architecture

48
- Memory Spaces
  
  48
  - Memory Map ( PD78081)
    48
  - Memory Map ( PD78082)
    49
  - Memory Map ( PD78P083)
    50
    
    Internal Program Memory Space
    51
    
    Vector Table
    51
    
    Data Memory Addressing
    52
    
    Internal Data Memory Space
    52
    
    Special Function Register (SFR) Area
    52
  - Data Memory Addressing ( PD78081)
    53
  - Data Memory Addressing ( PD78082)
    54
  - Data Memory Addressing ( PD78P083)
    55
- Processor Registers
  
  56
- Instruction Address Addressing
  
  63
  - Relative Addressing
    63
  - Immediate Addressing
    64
  - Table Indirect Addressing
    65
  - Register Addressing
    66
- Operand Address Addressing
  
  67
  - Implied Addressing
    67
  - Register Addressing
    68
  - Direct Addressing
    69
  - Short Direct Addressing
    70
  - Special-Function Register (SFR) Addressing
    72
  - Register Indirect Addressing
    73
  - Based Addressing
    74
  - Based Indexed Addressing
    75
  - Stack Addressing
    75
Chapter 4 Port Functions

76
- Port Functions
  76
- Port Types
  76
  - Port Functions
    77
- Port Configuration
  
  78
  - Port 0
    78
  - P00 Block Diagram
    79
  - P01 to P03 Block Diagram
    79
  - P10 to P17 Block Diagram
    80
    
    Port
    81
  - Port 1
    80
  - P30 to P37 Block Diagram
    81
    
    Port
    82
  - P50 to P57 Block Diagram
    82
    
    Port
    83
  - P70 Block Diagram
    83
  - P71 and P72 Block Diagram
    84
    
    Port
    85
    
    Port 10
    85
  - P100 to P101 Block Diagram
    85
- Port Function Control Registers
  
  86
- Port Function Operations
  
  90
Chapter 5 Clock Generator

92
Chapter 6 8-Bit Timer/Event Counters 5 and 6

102
Chapter 7 Watchdog Timer

126
- Watchdog Timer Functions
  
  126
  - Watchdog Timer Overrun Detection Times
    126
  - Interval Times
    127
- Watchdog Timer Configuration
  
  128
  - Watchdog Timer Block Diagram
    128
- Watchdog Timer Control Registers
  
  129
  - Timer Clock Select Register 2 Format
    130
  - Watchdog Timer Mode Register Format
    131
- Watchdog Timer Operations
  
  132
  - Watchdog Timer Operation
    132
  - Watchdog Timer Overrun Detection Time
    132
  - Interval Timer Operation
    133
  - Interval Timer Interval Time
    133
Chapter 8 Clock Output Control Circuit

134
Chapter 9 Buzzer Output Control Circuit

138
Chapter 10 A/D Converter

142
- A/D Converter Functions
  
  142
- A/D Converter Configuration
  
  142
  - A/D Converter Block Diagram
    143
- A/D Converter Control Registers
  
  145
- A/D Converter Operations
  
  149
- A/D Converter Cautions
  
  154
  - Example of Method of Reducing Current Dissipation in Standby Mode
    154
  - Analog Input Pin Disposition
    155
Chapter 11 Serial Interface Channel 2

158
Chapter 12 Interrupt Function

194
Chapter 13 Standby Function

216
- Standby Function and Configuration
  
  216
- Standby Function Operations
  
  218
  - HALT Mode
    218
  - HALT Mode Operating Status
    218
  - HALT Mode Clear Upon Interrupt Generation
    219
    
    Operation after HALT Mode Release
    220
  - HALT Mode Release by RESET Input
    220
    
    STOP Mode
    221
    
    STOP Mode Operating Status
    221
  - STOP Mode Release by Interrupt Generation
    222
    
    Operation after STOP Mode Release
    223
  - Release by STOP Mode RESET Input
    223
Chapter 14 Reset Function

224
Chapter 15 Pd78P083

228
- Differences between the PD78P083 and Mask ROM Versions
  228
- Memory Size Switching Register
  
  229
  - Examples of Memory Size Switching Register Settings
    229
  - Memory Size Switching Register Format
    229
- PROM Programming
  
  230
  - Operating Modes
    230
  - PROM Programming Operating Modes
    230
  - PROM Write Procedure
    232
  - Page Program Mode Flowchart
    232
  - Page Program Mode Timing
    233
  - Byte Program Mode Flowchart
    234
  - Byte Program Mode Timing
    235
    
    PROM Reading Procedure
    236
- Erasure Procedure ( PD78P083DU Only)
  
  237
- Opaque Film Masking the Window ( PD78P083DU Only)
  
  237
- Screening of One-Time PROM Versions
  
  237
Chapter 16 Instruction Set

238
- Legends Used in Operation List
  
  239
- Operation List
  
  241
- Instructions Listed by Addressing Type
  
  249
Appendix A Development Tools

254
- Language Processing Software
  
  256
- PROM Programming Tools
  
  257
  - Hardware
    257
  - Software
    257
    
    A.2.1 Hardware
    257
    
    A.2.2 Software
    257
- Debugging Tools
  
  258
  - Hardware
    258
    
    A.3 Debugging Tools
    258
    
    A.3.1 Hardware
    258
  - Software (1/3)
    259
  - A.3.2 Software (1/3)
    259
  - Software (2/3)
    260
  - A.3.2 Software (2/3)
    260
  - Software (3/3)
    261
  - A.3.2 Software (3/3)
    261
- OS for IBM PC
  
  262
- System-Upgrade Method from Other In-Circuit Emulators to 78K/0 Series In-Circuit Emulator
  
  263
Appendix B Embedded Software

266
- Real-Time os
  
  267
  - B.1 Real-Time os
    267
- Fuzzy Inference Development Support System
  
  268
Appendix C Register Index

270
- Register Index
  
  270
Appendix D Revision History

272

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NEC uPD78081(A) Manuals

NEC uPD78081(A) User Manual (274 pages)

Table of Contents

Chapter 1 Outline

Features

Applications

Ordering Information

Quality Grade

Pin Configuration (Top View)

Series Development

Block Diagram

Outline of Function

Differences between the PD78081, 78082 and 78P083, the PD78081(A), 78082(A) and 78P083(A), and the PD78081(A2)

Chapter 2 Pin Function

Pin Function List

Description of Pin Functions

Pin Input/Output Circuits and Recommended Connection of Unused Pins

Chapter 3 Cpu Architecture

Memory Spaces

Processor Registers

Instruction Address Addressing

Operand Address Addressing

Chapter 4 Port Functions

Port Configuration

Port Function Control Registers

Port Function Operations

Chapter 5 Clock Generator

Clock Generator Functions

Clock Generator Configuration

Clock Generator Control Register

System Clock Oscillator

Clock Generator Operations

Changing CPU Clock Settings

Chapter 6 8-Bit Timer/Event Counters 5 and 6

8-Bit Timer/Event Counters 5 and 6 Functions

8-Bit Timer/Event Counters 5 and 6 Configurations

8-Bit Timer/Event Counters 5 and 6 Control Registers

8-Bit Timer/Event Counters 5 and 6 Operations

Cautions on 8-Bit Timer/Event Counters 5 and 6

Chapter 7 Watchdog Timer

Watchdog Timer Functions

Watchdog Timer Configuration

Watchdog Timer Control Registers

Watchdog Timer Operations

Chapter 8 Clock Output Control Circuit

Clock Output Control Circuit Functions

Clock Output Control Circuit Configuration

Clock Output Function Control Registers

Chapter 9 Buzzer Output Control Circuit

Buzzer Output Control Circuit Functions

Buzzer Output Control Circuit Configuration

Buzzer Output Function Control Registers

Chapter 10 A/D Converter

A/D Converter Functions

A/D Converter Configuration

A/D Converter Control Registers

A/D Converter Operations

A/D Converter Cautions

Chapter 11 Serial Interface Channel 2

Serial Interface Channel 2 Functions

Serial Interface Channel 2 Configuration

Serial Interface Channel 2 Control Registers

Serial Interface Channel 2 Operation

Chapter 12 Interrupt Function

Interrupt Function Types

Interrupt Sources and Configuration

Interrupt Function Control Registers

Interrupt Servicing Operations

Chapter 13 Standby Function

Standby Function and Configuration

Standby Function Operations

Chapter 14 Reset Function

Chapter 15 Pd78P083

Memory Size Switching Register

PROM Programming

Erasure Procedure ( PD78P083DU Only)

Opaque Film Masking the Window ( PD78P083DU Only)

Screening of One-Time PROM Versions

Chapter 16 Instruction Set

Legends Used in Operation List