NEC mPD789425 Manuals

Manuals and User Guides for NEC mPD789425. We have 1 NEC mPD789425 manual available for free PDF download: User Manual

NEC mPD789425 User Manual (321 pages)

8-Bit Single-Chip

Brand: NEC | Category: Microcontrollers | Size: 1.26 MB

Table of Contents
11
Chapter 1 General

25
- Features
  
  25
- Applications
  
  25
- Ordering Information
  
  26
- Pin Configuration (Top View)
  
  27
  - Pin Configuration of Μ PD789426, 789436 Subseries (Top View)
    27
  - 0S Series Lineup
    30
- Block Diagram
  
  32
  - Block Diagram of Μ PD789426, 789436 Subseries
    32
  - Block Diagram of Μ PD789446, 789456 Subseries
    33
- Overview of Functions
  
  34
Chapter 2 Pin Functions

37
- List of Pin Functions
  
  37
- Description of Pin Functions
  
  40
  - P00 to P03 (Port 0)
    40
  - P10, P11 (Port 1)
    40
  - P20 to P26 (Port 2)
    40
  - P30 to P33 (Port 3)
    41
  - P50 to P53 (Port 5)
    41
  - P60 to P65 (Port 6)
    41
  - P70 to P72 (Port 7)
    42
  - P80, P81 (Port 8)
    42
  - P90 to P97 (Port 9)
    42
  - S0 to S14
    42
  - COM0 to COM3
    42
  - VLC0 to VLC2
    42
  - Caph, Capl
    42
  - Reset
    42
  - X1, X2
    42
  - Xt1, Xt2
    42
  - VDD
    43
  - Vss
    43
  - Vpp
    43
  - IC (Mask ROM Version Only)
    43
- Pin Input/Output Circuits and Recommended Connection of Unused Pins
  
  44
Chapter 3 Cpu Architecture

47
- Memory Space
  
  47
- Processor Registers
  
  61
- Instruction Address Addressing
  
  68
  - Relative Addressing
    68
  - Immediate Addressing
    69
  - Register Addressing
    70
- Operand Address Addressing
  
  71
  - Direct Addressing
    71
  - Short Direct Addressing
    72
  - Special Function Register (SFR) Addressing
    73
  - Register Addressing
    74
  - Register Indirect Addressing
    75
  - Based Addressing
    76
  - Stack Addressing
    76
Chapter 4 Port Functions

77
- Port Functions
  77
- Port Configuration
  
  80
  - Port 0
    81
  - Port 1
    82
  - Port 2
    83
  - Port 3
    89
  - Port 5
    91
  - Port 6
    92
  - Port 7
    93
  - Port 8 ( Μ PD789426, 789436 Subseries Only)
    94
  - Port 9 ( Μ PD789426, 789436 Subseries Only)
    95
- Registers Controlling Port Function
  
  96
- Port Function Operation
  
  102
  - Writing to I/O Port
    102
  - Reading from I/O Port
    102
  - Arithmetic Operation of I/O Port
    102
Chapter 5 Clock Generator

103
- Clock Generator Functions
  
  103
- Clock Generator Configuration
  
  103
- Registers Controlling Clock Generator
  
  105
- System Clock Oscillators
  
  108
  - Main System Clock Oscillator
    108
  - Subsystem Clock Oscillator
    109
  - Divider Circuit
    111
  - When no Subsystem Clock Is Used
    111
- Clock Generator Operation
  
  112
- Changing Setting of System Clock and CPU Clock
  
  113
  - Time Required for Switching between System Clock and CPU Clock
    113
  - Switching between System Clock and CPU Clock
    114
Chapter 6 16-Bit Timer

115
- 16-Bit Timer Functions
  
  115
- 16-Bit Timer Configuration
  
  116
- Registers Controlling 16-Bit Timer
  
  119
- 16-Bit Timer Operation
  
  123
  - Operation as Timer Interrupt
    123
  - Operation as Timer Output
    125
  - Capture Operation
    126
  - 16-Bit Timer Counter 90 Readout
    127
  - Buzzer Output Operation
    128
- Notes on Using 16-Bit Timer
  
  129
Chapter 7 8-Bit Timer

131
- 8-Bit Timer Functions
  
  131
- 8-Bit Timer Configuration
  
  132
- Registers Controlling 8-Bit Timer
  
  138
- 8-Bit Timer Operation
  
  143
- Notes on Using 8-Bit Timer
  
  170
Chapter 8 Watch Timer

171
- Watch Timer Functions
  
  171
- Watch Timer Configuration
  
  172
- Watch Timer Control Register
  
  173
- Watch Timer Operation
  
  174
  - Operation as Watch Timer
    174
  - Operation as Interval Timer
    174
Chapter 9 Watchdog Timer

177
- Watchdog Timer Functions
  
  177
- Watchdog Timer Configuration
  
  178
- Watchdog Timer Control Registers
  
  179
- Watchdog Timer Operation
  
  181
  - Operation as Watchdog Timer
    181
  - Operation as Interval Timer
    182
CHAPTER 10 8-BIT A/D CONVERTER ( Μ Μ Μ Μ PD789426 and 789446 SUBSERIES)

183
- 8-Bit A/D Converter Functions
  
  183
- 8-Bit A/D Converter Configuration
  
  183
- 8-Bit A/D Converter Control Registers
  
  186
- 8-Bit A/D Converter Operation
  
  188
- Cautions Related to 8-Bit A/D Converter
  
  192
CHAPTER 11 10-BIT A/D CONVERTER ( Μ Μ Μ Μ PD789436 and 789456 SUBSERIES)

197
- 10-Bit A/D Converter Functions
  
  197
- 10-Bit A/D Converter Configuration
  
  197
- 10-Bit A/D Converter Control Registers
  
  200
- 10-Bit A/D Converter Operation
  
  202
- Cautions Related to 10-Bit A/D Converter
  
  206
Chapter 12 Serial Interface 20

211
- Serial Interface 20 Functions
  
  211
- Serial Interface 20 Configuration
  
  211
- Serial Interface 20 Control Registers
  
  215
- Serial Interface 20 Operation
  
  222
  - Operation Stop Mode
    222
  - Asynchronous Serial Interface (UART) Mode
    224
  - 3-Wire Serial I/O Mode
    237
Chapter 13 Lcd Controller/Driver

247
- LCD Controller/Driver Functions
  
  247
- LCD Controller/Driver Configuration
  
  247
- Registers Controlling LCD Controller/Driver
  
  249
- Setting LCD Controller/Driver
  
  253
- LCD Display Data Memory
  
  253
- Common and Segment Signals
  
  254
- Display Modes
  
  256
  - Three-Time Slot Display Example
    256
  - Four-Time Slot Display Example
    259
Chapter 14 Interrupt Functions

263
Chapter 15 Standby Function

279
- Standby Function and Configuration
  
  279
  - Standby Function
    279
  - Register Controlling Standby Function
    280
- Standby Function Operation
  
  281
  - HALT Mode
    281
  - STOP Mode
    284
Chapter 16 Reset Function

287
CHAPTER 17 Μ Μ Μ Μ PD78F9436, 78F9456

291
- Flash Memory Programming
  
  292
Chapter 18 Mask Options

297
Chapter 19 Instruction Set

299
- Operation
  
  299
- Operation List
  
  301
- Instructions Listed by Addressing Type
  
  306
Appendix A Development Tools

309
- Language Processing Software
  
  311
- Flash Memory Writing Tools
  
  312
- Debugging Tools
  
  313
  - Hardware
    313
  - Software
    314
Appendix B Embedded Software

315
Appendix C Register Index

317
- Register Index (Alphabetic Order of Register Name)
  
  317
- Register Index (Alphabetic Order of Register Symbol)
  
  319

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NEC mPD789425 Manuals

NEC mPD789425 User Manual (321 pages)

Table of Contents

Chapter 1 General

Features

Applications

Ordering Information

Pin Configuration (Top View)

Block Diagram

Overview of Functions

Chapter 2 Pin Functions

List of Pin Functions

Description of Pin Functions

Pin Input/Output Circuits and Recommended Connection of Unused Pins

Chapter 3 Cpu Architecture

Memory Space

Processor Registers

Instruction Address Addressing

Operand Address Addressing

Chapter 4 Port Functions

Port Configuration

Registers Controlling Port Function

Port Function Operation

Chapter 5 Clock Generator

Clock Generator Functions

Clock Generator Configuration

Registers Controlling Clock Generator

System Clock Oscillators

Clock Generator Operation

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

Notes on Using 16-Bit Timer

Chapter 7 8-Bit Timer

8-Bit Timer Functions

8-Bit Timer Configuration

Registers Controlling 8-Bit Timer

8-Bit Timer Operation

Notes on Using 8-Bit Timer

Chapter 8 Watch Timer

Watch Timer Functions

Watch Timer Configuration

Watch Timer Control Register

Watch Timer Operation

Chapter 9 Watchdog Timer

Watchdog Timer Functions

Watchdog Timer Configuration

Watchdog Timer Control Registers

Watchdog Timer Operation

CHAPTER 10 8-BIT A/D CONVERTER ( Μ Μ Μ Μ PD789426 and 789446 SUBSERIES)

8-Bit A/D Converter Functions

8-Bit A/D Converter Configuration

8-Bit A/D Converter Control Registers

8-Bit A/D Converter Operation

Cautions Related to 8-Bit A/D Converter

CHAPTER 11 10-BIT A/D CONVERTER ( Μ Μ Μ Μ PD789436 and 789456 SUBSERIES)

10-Bit A/D Converter Functions

10-Bit A/D Converter Configuration

10-Bit A/D Converter Control Registers

10-Bit A/D Converter Operation

Cautions Related to 10-Bit A/D Converter

Chapter 12 Serial Interface 20

Serial Interface 20 Functions

Serial Interface 20 Configuration

Serial Interface 20 Control Registers

Serial Interface 20 Operation

Chapter 13 Lcd Controller/Driver

LCD Controller/Driver Functions

LCD Controller/Driver Configuration

Registers Controlling LCD Controller/Driver

Setting LCD Controller/Driver

LCD Display Data Memory

Common and Segment Signals

Display Modes

Chapter 14 Interrupt Functions

Interrupt Function Types

Interrupt Sources and Configuration