NEC UPD789425 Manuals

Manuals and User Guides for NEC UPD789425. We have 1 NEC UPD789425 manual available for free PDF download: User Manual

NEC UPD789425 User Manual (354 pages)

8-Bit Single-Chip Microcontrollers

Brand: NEC | Category: Microcontrollers | Size: 3.04 MB

Table of Contents
11
Chapter 1 General

25
- Features
  25
- Applications
  25
- Ordering Information
  26
- Pin Configuration (Top View)
  27
- 0S Series Lineup
  30
- Block Diagram
  33
- Overview of Functions
  35
Chapter 2 Pin Functions

38
- 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
- CL1, CL2 (in Case of RC Oscillation (Mask Option) Only)
  42
- Xt1, Xt2
  43
- VDD
  43
- Vss
  43
- VPP ( Μ PD78F9436, 78F9456 Only)
  43
- IC (Mask ROM Version Only)
  43
- Pin Input/Output Circuits and Recommended Connection of Unused Pins
  44
- Pin Input/Output Circuits
  45
Chapter 3 Cpu Architecture

46
- Memory Space
  46
- Memory Map ( Μ PD789425, 789435)
  46
- Memory Map ( Μ PD789426, 789436)
  47
- Pd78F9436)
  48
- Memory Map ( Μ PD789445, 789455)
  49
- Memory Map ( Μ PD789446, 789456)
  50
- Pd78F9456)
  51
- Internal Program Memory Space
  52
- Internal Data Memory (Internal High-Speed RAM) Space
  53
- Special Function Register (SFR) Area
  53
- Data Memory Addressing
  54
- Data Memory Addressing ( Μ PD789425, 789435)
  54
- Data Memory Addressing ( Μ PD789426, 789436)
  55
- Pd78F9436)
  56
- Data Memory Addressing ( Μ PD789445, 789455)
  57
- Data Memory Addressing ( Μ PD789446, 789456)
  58
- Pd78F9456)
  59
- Processor Registers
  60
- Control Registers
  60
- Program Counter Configuration
  60
- Program Status Word Configuration
  60
- Stack Pointer Configuration
  62
- Data to be Saved to Stack Memory
  62
- Data to be Restored from Stack Memory
  62
- General-Purpose Registers
  63
- General-Purpose Register Configuration
  63
- Special Function Registers (Sfrs)
  64
- Instruction Address Addressing
  67
- Relative Addressing
  67
- Immediate Addressing
  68
- Register Addressing
  69
- Operand Address Addressing
  70
- Direct Addressing
  70
- Short Direct Addressing
  71
- Special Function Register (SFR) Addressing
  72
- Register Addressing
  73
- Register Indirect Addressing
  74
- Based Addressing
  75
- Stack Addressing
  75
Chapter 4 Port Functions

76
- Port Types ( Μ PD789426, 789436 Subseries)
  76
- Port Functions
  77
- Port Types ( Μ PD789446, 789456 Subseries)
  77
- Port Configuration
  79
- Port 0
  80
- Block Diagram of P00 to P03
  80
- Block Diagram of P10 and P11
  81
- Port 1
  82
- Block Diagram of P20
  82
- Port 2
  83
- Block Diagram of P21 and P26
  83
- Block Diagram of P22
  84
- Block Diagram of P23
  85
- Block Diagram of P24
  86
- Block Diagram of P25
  87
- Block Diagram of P30
  88
- Port 3
  89
- Block Diagram of P31 to P33
  89
- Port 5
  90
- Block Diagram of P50 to P53
  90
- Port 6
  91
- Block Diagram of Port 6
  91
- Port 7
  92
- Block Diagram of P70 to P72
  92
- PD789426, 789436 Subseries Only)
  93
- Block Diagram of P80 and P81
  93
- Port 9 ( Μ PD789426, 789436 Subseries Only)
  94
- Block Diagram of P90 to P97
  94
- Registers Controlling Port Function
  95
- Format of Port Mode Register
  96
- Port Function Operation
  101
- Writing to I/O Port
  101
- Reading from I/O Port
  101
- Arithmetic Operation of I/O Port
  101
Chapter 5 Clock Generator

102
Chapter 6 16-Bit Timer 90

119
- 16-Bit Timer 90 Functions
  119
- 16-Bit Timer 90 Configuration
  120
- Registers Controlling 16-Bit Timer 90
  123
- 16-Bit Timer 90 Operation
  127
- Operation as Timer Interrupt
  127
- Operation as Timer Output
  129
- Capture Operation
  130
- 16-Bit Timer Counter 90 Readout
  131
- Buzzer Output Operation
  132
- Notes on 16-Bit Timer 90
  133
- Notes on Using 16-Bit Timer 90
  133
- Restrictions on Rewriting 16-Bit Compare Register 90
  135
Chapter 7 8-Bit Timers 50, 60

137
Chapter 8 Watch Timer

177
- Watch Timer Functions
  177
- Watch Timer Configuration
  178
- Watch Timer Control Register
  179
- Watch Timer Operation
  180
- Operation as Watch Timer
  180
- Operation as Interval Timer
  180
Chapter 9 Watchdog Timer

182
- Watchdog Timer Functions
  182
- Watchdog Timer Configuration
  183
- Watchdog Timer Control Registers
  184
- Watchdog Timer Operation
  186
- Operation as Watchdog Timer
  186
- Operation as Interval Timer
  187
CHAPTER 10 8-BIT A/D CONVERTER ( Μ PD789426 and 789446 SUBSERIES)

188
Chapter 11 10-Bit A/D Converter ( Pd789436 and 789456 Subseries)

201
Chapter 12 Serial Interface 20

214
- Serial Interface 20 Functions
  214
- Serial Interface 20 Configuration
  214
- Serial Interface 20 Control Registers
  217
- Serial Interface 20 Operation
  224
- Operation Stop Mode
  224
- Asynchronous Serial Interface (UART) Mode
  226
- 3-Wire Serial I/O Mode
  239
Chapter 13 Lcd Controller/Driver

250
- LCD Controller/Driver Functions
  250
- LCD Controller/Driver Configuration
  250
- Registers Controlling LCD Controller/Driver
  252
- Setting LCD Controller/Driver
  256
- LCD Display Data Memory
  256
- Common and Segment Signals
  257
- Display Modes
  259
- Three-Time Slot Display Example
  259
- Four-Time Slot Display Example
  262
- Supplying LCD Drive Voltages
  265
- LC0 LC1 , and
  265
Chapter 14 Interrupt Functions

266
Chapter 15 Standby Function

281
- Standby Function and Configuration
  281
- Standby Function
  281
- Register Controlling Standby Function
  282
- Standby Function Operation
  283
- HALT Mode
  283
- STOP Mode
  286
Chapter 16 Reset Function

289
Chapter 17 Pd78F9436, 78F9456

293
- Flash Memory Characteristics
  294
- Programming Environment
  294
- Communication Mode
  295
- On-Board Pin Connections
  298
- Connection of Adapter for Flash Writing
  301
Chapter 18 Mask Options

303
Chapter 19 Instruction Set

304
- Operation
  304
- Operand Identifiers and Description Methods
  304
- Description of "Operation" Column
  305
- Description of "Flag" Column
  305
- Operation List
  306
- Instructions Listed by Addressing Type
  311
Chapter 20 Electrical Specifications

315
Chapter 21 Characteristics Curves of Lcd Controller/Driver

332
Chapter 22 Package Drawings

334
Chapter 23 Recommended Soldering Conditions

336
Appendix A Development Tools

339
- Software Package
  341
- Language Processing Software
  341
- Control Software
  342
- Flash Memory Writing Tools
  342
- Debugging Tools (Hardware)
  343
- Debugging Tools (Software)
  344
Appendix B Notes on Target System Design

345
Appendix C Register Index

349
Appendix D Revision History

353

NEC Categories

Monitor

Projector Server

Telephone

Laptop

More NEC Manuals

NEC UPD789425 Manuals

NEC UPD789425 User Manual (354 pages)

Table of Contents

Chapter 1 General

Chapter 2 Pin Functions

Chapter 3 Cpu Architecture

Chapter 4 Port Functions

Chapter 5 Clock Generator

Chapter 6 16-Bit Timer 90

Chapter 7 8-Bit Timers 50, 60

Chapter 8 Watch Timer

Chapter 9 Watchdog Timer

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

Chapter 11 10-Bit A/D Converter ( Pd789436 and 789456 Subseries)

Chapter 12 Serial Interface 20

Chapter 13 Lcd Controller/Driver

Chapter 14 Interrupt Functions

Chapter 15 Standby Function

Chapter 16 Reset Function

Chapter 17 Pd78F9436, 78F9456

Chapter 18 Mask Options

Chapter 19 Instruction Set

Chapter 20 Electrical Specifications

Chapter 21 Characteristics Curves of Lcd Controller/Driver

Chapter 22 Package Drawings

Chapter 23 Recommended Soldering Conditions

Appendix A Development Tools

Appendix B Notes on Target System Design

Appendix C Register Index

Appendix D Revision History

Related Products

NEC Categories