NEC mPD789025 Manuals

Manuals and User Guides for NEC mPD789025. We have 1 NEC mPD789025 manual available for free PDF download: User Manual

NEC mPD789025 User Manual (213 pages)

8-Bit Single-Chip

Brand: NEC | Category: Microcontrollers | Size: 0.84 MB

Section 1

3
- Table of Contents
  3
Section 2

13
- Chapter 1 General
  
  23
- Features
  
  23
- Applications
  
  23
- Ordering Information
  
  24
- Pin Configuration (Top View)
  
  25
- Development of 78K/0S Series
  
  28
- Block Diagram
  
  30
- Outline of Functions
  
  31
- Chapter 2 Pin Functions
  
  33
- List of Pin Functions
  
  33
- Description of Pin Functions
  
  35
  - P00 to P07 (Port 0)
    35
  - P10 to P17 (Port 1)
    35
  - P20 to P22 (Port 2)
    35
  - P30 to P32 (Port 3)
    36
  - P40 to P47 (Port 4)
    36
  - P50 to P53 (Port 5)
    37
  - Reset
    37
  - X1, X2
    37
  - VDD
    37
  - Vss
    37
  - VPP ( Μ PD78F9026A Only)
    37
  - IC (Mask ROM Model Only)
    38
- Pin Input/Output Circuits and Connection of Unused Pins
  
  39
- Chapter 3 Cpu Architecture
  
  41
- Memory Space
  
  41
- Processor Registers
  
  53
  - Control Registers
    53
  - General-Purpose Registers
    56
  - Special Function Register (SFR)
    57
- Instruction Address Addressing
  
  60
  - Relative Addressing
    60
  - Immediate Addressing
    61
  - Register Addressing
    62
- Operand Address Addressing
  
  63
  - Direct Addressing
    63
  - Short Direct Addressing
    64
  - Special Function Register (SFR) Addressing
    65
  - Register Addressing
    66
  - Register Indirect Addressing
    67
  - Based Addressing
    68
  - Stack Addressing
    68
- Chapter 4 Port Functions
  
  69
- Functions of Ports
  
  69
- Port Configuration
  
  71
  - Port 0
    71
  - Port 1
    72
  - Port 2
    73
  - Port 3
    76
  - Port 4
    77
  - Port 5
    78
- Port Function Control Registers
  
  81
- Operation of Port Functions
  
  83
  - Writing to I/O Port
    83
  - Reading from I/O Port
    83
  - Arithmetic Operation of I/O Port
    83
- Function of Clock Generation Circuit
  
  85
- Configuration of Clock Generation Circuit
  
  85
- Chapter 5 Clock Generation Circuit
  
  85
- Register Controlling Clock Generation Circuit
  
  86
- System Clock Oscillation Circuits
  
  87
  - System Clock Oscillation Circuit
    87
  - Divider Circuit
    89
- Operation of Clock Generation Circuit
  
  90
- Changing Setting of System Clock and CPU Clock
  
  91
  - Time Required for Switching between System Clock and CPU Clock
    91
  - Switching CPU Clock
    91
- Chapter 6 16-Bit Timer
  
  93
- 16-Bit Timer Functions
  
  93
- 16-Bit Timer Configuration
  
  94
- Registers Controlling 16-Bit Timer
  
  96
- 16-Bit Timer Operation
  
  99
  - Operation as Timer Interrupt
    99
  - Operation as Timer Output
    101
  - Capture Operation
    102
  - 16-Bit Timer Counter 20 Readout
    103
- 8-Bit Timer/Event Counter Functions
  
  105
- Chapter 7 8-Bit Timer/Event Counter
  
  105
- 8-Bit Timer/Event Counter Configuration
  
  106
- 8-Bit Timer/Event Counter Control Registers
  
  107
- 8-Bit Timer/Event Counter Operation
  
  109
- Notes on Using 8-Bit Timer/Event Counters
  
  114
- Chapter 8 Watchdog Timer
  
  115
- Watchdog Timer Functions
  
  115
- Watchdog Timer Configuration
  
  116
- Watchdog Timer Control Registers
  
  117
- Operation of Watchdog Timer
  
  119
  - Operation as Watchdog Timer
    119
  - Operation as Interval Timer
    120
- Chapter 9 Serial Interface 00
  
  121
- Serial Interface 00 Functions
  
  121
- Serial Interface 00 Configuration
  
  121
- Serial Interface 00 Control Register
  
  125
- Serial Interface 00 Operation
  
  132
  - Operation Stop Mode
    132
  - Asynchronous Serial Interface (UART) Mode
    134
  - 3-Wire Serial I/O Mode
    145
- Chapter 10 Interrupt Functions
  
  149
- Interrupt Function Types
  
  149
- Interrupt Sources and Configuration
  
  149
- Interrupt Function Control Registers
  
  152
- Interrupt Processing Operation
  
  158
- Chapter 11 Standby Function
  
  167
- Standby Function and Configuration
  
  167
  - Standby Function
    167
  - Standby Function Control Register
    168
- Operation of Standby Function
  
  169
  - HALT Mode
    169
  - STOP Mode
    172
- Chapter 12 Reset Function
  
  175
- CHAPTER 13 Μ Μ Μ Μ PD78F9026A
  
  179
- Flash Memory Programming
  
  180
- Chapter 14 Instruction Set
  
  185
- Operation
  
  185
- Operation List
  
  187
- Instructions Listed by Addressing Type
  
  192
- Appendix A Development Tools
  
  195
- Language Processing Software
  
  197
- Flash Memory Writing Tools
  
  198
- Debugging Tools
  
  199
  - Hardware
    199
  - Software
    200
- Conversion Socket (EV-9200G-44) Drawing and Recommended Footprint
  
  201
- Conversion Adapter (TGB-044SAP) Drawing
  
  203
- Appendix B Embedded Software
  
  205
- Appendix C Register Index
  
  207
- Register Name Index
  
  207
- Register Symbol Index
  
  209
- Appendix D Revision History
  
  211

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NEC mPD789025 Manuals

NEC mPD789025 User Manual (213 pages)

Table of Contents

Section 1

Section 2

Chapter 1 General

Features

Applications

Ordering Information

Pin Configuration (Top View)

Development of 78K/0S Series

Block Diagram

Outline of Functions

Chapter 2 Pin Functions

List of Pin Functions

Description of Pin Functions

Pin Input/Output Circuits and Connection of Unused Pins

Chapter 3 Cpu Architecture

Memory Space

Processor Registers

Instruction Address Addressing

Operand Address Addressing

Chapter 4 Port Functions

Functions of Ports

Port Configuration

Port Function Control Registers

Operation of Port Functions

Function of Clock Generation Circuit

Configuration of Clock Generation Circuit

Chapter 5 Clock Generation Circuit

Register Controlling Clock Generation Circuit

System Clock Oscillation Circuits

Operation of Clock Generation Circuit

Changing Setting of System Clock and CPU Clock

Chapter 6 16-Bit Timer

16-Bit Timer Functions

16-Bit Timer Configuration

Registers Controlling 16-Bit Timer

16-Bit Timer Operation

8-Bit Timer/Event Counter Functions

Chapter 7 8-Bit Timer/Event Counter

8-Bit Timer/Event Counter Configuration

8-Bit Timer/Event Counter Control Registers

8-Bit Timer/Event Counter Operation

Notes on Using 8-Bit Timer/Event Counters

Chapter 8 Watchdog Timer

Watchdog Timer Functions

Watchdog Timer Configuration

Watchdog Timer Control Registers

Operation of Watchdog Timer

Chapter 9 Serial Interface 00

Serial Interface 00 Functions

Serial Interface 00 Configuration

Serial Interface 00 Control Register

Serial Interface 00 Operation

Chapter 10 Interrupt Functions

Interrupt Function Types

Interrupt Sources and Configuration

Interrupt Function Control Registers

Interrupt Processing Operation

Chapter 11 Standby Function

Standby Function and Configuration

Operation of Standby Function

Chapter 12 Reset Function

CHAPTER 13 Μ Μ Μ Μ PD78F9026A

Flash Memory Programming

Chapter 14 Instruction Set

Operation

Operation List

Instructions Listed by Addressing Type

Appendix A Development Tools

Language Processing Software

Flash Memory Writing Tools

Debugging Tools

Conversion Socket (EV-9200G-44) Drawing and Recommended Footprint

Conversion Adapter (TGB-044SAP) Drawing

Appendix B Embedded Software

Appendix C Register Index

Register Name Index

Register Symbol Index