User Manuals: NEC PD75402A Computer Hardware

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NEC PD75402A User Manual (195 pages)

4-BIT SINGLE-CHIP MICROCOMPUTER

Brand: NEC | Category: Computer Hardware | Size: 0 MB

Table of Contents
6
Title

10
Chapter 1. General

12
- Outline of Functions
  
  13
- Ordering Information and Quality Grade
  
  14
- Differences between Pd75402A and Pd75402, 75P402
  
  15
- Block Diagram
  
  16
- Pin Configuration
  
  17
  - 28-Pin Plastic DIP (600 Mil), Shrink DIP (400 Mil)
    17
  - 44-Pin Plastic QFP ( 10Mm)
    19
Chapter 2. Pin Functions

21
- Pd75402A Pin Function List
  
  22
  - Port Pin List
    22
  - List of Pins Other than Port Pins
    23
- Normal Operating Mode
  
  24
  - P00 to P03 (Port 0), P10, P12 (Port 1)
    24
  - Port 0'S, 1'S Dual-Function Pins
    24
    
    P20 to P23 (Port 2), P30 to P33 (Port 3), P50 to P53 (Port 5), P60 to P63 (Port 6)
    25
    
    Sck, So/Sb0, si
    25
    
    Int0
    25
    
    Int2
    25
    
    Pcl
    25
    
    X1, X2
    26
    
    RESET (Reset)
    26
    
    VDD
    26
    
    Vss
    26
- Prom Mode
  
  27
  - A0 to A14 (Address)
    27
  - CE (Chip Enable)
    27
  - O0 to O7 (Data)
    27
  - OE (Output Enable)
    27
  - VDD
    27
  - Vpp
    27
  - Vss
    27
- Pin Input/Output Circuits
  
  28
  - Pin Input/Output Types
    28
- Unused Pin Treatment
  
  31
- Notes on Use of P00 Pin and Reset Pin
  
  31
Chapter 3. Features of Architecture and Memory Map

32
- Data Memory Bank Configuration and Addressing Modes
  
  32
- Memory-Mapped I/O
  
  39
  - Applicable Addressing Modes at Peripheral Hardware Operation
    39
  - PD75402A I/O Map
    40
Chapter 4. Internal Cpu Functions

42
- Program Counter (Pc)
  
  42
  - Program Counter Configuration
    42
- Program Memory (Rom)
  
  43
  - Program Memory Map
    43
- Data Memory (Ram)
  
  44
  - Data Memory Map
    44
- General Register
  
  46
  - General Register Configuration
    46
  - Register Pair Configuration
    46
- Accumulator
  
  47
  - Accumulators
    47
- Stack Pointer (Sp)
  
  48
  - Stack Pointer Configuration
    48
  - Data Restored from Stack Memory
    49
- Program Status Word (Psw)
  
  50
Chapter 5. Peripheral Hardware Functions

52
Chapter 6. Interrupt Functions

137
- Interrupt Control Circuit Configuration
  
  137
  - Interrupt Control Circuit Block Diagram
    138
- Interrupt Source Types and Vector Table
  
  139
  - Interrupt Request Source Types
    139
- 6.3 Interrupt Control Circuit Hardware
  
  140
  - Interrupt Vector Table
    139
  - Interrupt Request Flag Setting Signal
    140
  - Configuration of INT0 and INT2
    141
  - INT0 Noise Elimination Circuit Input/Output Timing
    142
  - INT2 Input Noise Elimination
    142
  - Edge Detection Mode Register Format
    143
  - IME Format
    143
  - IST0 Interrupt Servicing Status
    144
- Interrupt Sequence
  
  145
  - Interrupt Servicing Procedure
    145
- Machine Cycles before Interrupt Servicing
  
  146
- Interrupt Applications
  
  148
Chapter 7. Standby Function

152
- Standby Mode Setting and Operation States
  
  153
  - Standby Mode Operation States
    153
- Standby Mode Reset
  
  154
  - Standby Mode Reset Operation
    155
- Operation after Standby Mode Reset
  
  156
- Standby Mode Application
  
  156
Chapter 8. Reset Function

157
- Reset Signal Acceptance
  157
- Reset at Power-On
  157
- State of Hardware after Reset
  158
Chapter 9. Instruction Set

159
- Special Instruction
  
  160
- Instruction Set and Its Operation
  
  162
- Operation Code of each Instruction
  
  167
- Instruction Functions and Application
  
  170
  - Move Instructions
    170
  - Table Reference Instructions
    173
  - Arithmetic and Logic Instructions
    174
  - Accumulator Operation Instructions
    176
  - Increment/Decrement Instructions
    177
  - Compare Instructions
    178
  - Carry Flag Operation Instructions
    179
  - Bit Manipulation Instructions
    180
  - Branch Instructions
    182
  - 9.4.10 Subroutine Stack Control Instructions
    183
  - 9.4.11 Interrupt Control Instructions
    185
  - 9.4.12 Input/Output Instructions
    186
  - 9.4.13 CPU Control Instructions
    187
Appendix A. Table of Instruction Usable with Evakit-75X Only

188
Appendix B. Development Tools

190
Appendix C. Mask Rom Ordering Procedure

193
Appendix D. Instruction Index (Alphabetic Order)

194
Appendix E. Hardware Index (Alphabetic Order)

195

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User Manuals: NEC PD75402A Computer Hardware

NEC PD75402A User Manual (195 pages)

Table of Contents

Title

Chapter 1. General

Outline of Functions

Ordering Information and Quality Grade

Differences between Pd75402A and Pd75402, 75P402

Block Diagram

Pin Configuration

Chapter 2. Pin Functions

Pd75402A Pin Function List

Normal Operating Mode

Prom Mode

Pin Input/Output Circuits

Unused Pin Treatment

Notes on Use of P00 Pin and Reset Pin

Chapter 3. Features of Architecture and Memory Map

Data Memory Bank Configuration and Addressing Modes

Memory-Mapped I/O

Chapter 4. Internal Cpu Functions

Program Counter (Pc)

Program Memory (Rom)

Data Memory (Ram)

General Register

Accumulator

Stack Pointer (Sp)

Program Status Word (Psw)

Chapter 5. Peripheral Hardware Functions

Digital Input/Output Ports

Clock Generation Circuit

Clock Output Circuit

Basic Interval Timer

Serial Interface

Chapter 6. Interrupt Functions

Interrupt Control Circuit Configuration

Interrupt Source Types and Vector Table

6.3 Interrupt Control Circuit Hardware

Interrupt Sequence

Machine Cycles before Interrupt Servicing

Interrupt Applications

Chapter 7. Standby Function

Standby Mode Setting and Operation States

Standby Mode Reset

Operation after Standby Mode Reset

Standby Mode Application

Chapter 8. Reset Function

Chapter 9. Instruction Set

Special Instruction

Instruction Set and Its Operation

Operation Code of each Instruction

Instruction Functions and Application

Appendix A. Table of Instruction Usable with Evakit-75X Only

Appendix B. Development Tools

Appendix C. Mask Rom Ordering Procedure

Appendix D. Instruction Index (Alphabetic Order)

Appendix E. Hardware Index (Alphabetic Order)

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