NEC mPD789121 Manuals

Manuals and User Guides for NEC mPD789121. We have 1 NEC mPD789121 manual available for free PDF download: User Manual

NEC mPD789121 User Manual (265 pages)

8-bit Single-chip Microcontrollers

Brand: NEC | Category: Microcontrollers | Size: 1.45 MB

Table of Contents
11
CHAPTER 1 GENERAL ( Μ PD789104, 789114 SUBSERIES)

23
- Features
  23
- Applications
  23
- Ordering Information
  24
- Pin Configuration (Top View)
  25
- 0S Series Lineup
  27
- Block Diagram
  29
- Outline of Functions
  30
CHAPTER 2 GENERAL ( Μ PD789124, 789134 SUBSERIES)

31
- Features
  31
- Applications
  31
- Ordering Information
  32
- Pin Configuration (Top View)
  33
- 0S Series Lineup
  35
- Block Diagram
  37
- Outline of Functions
  38
Chapter 3 Pin Functions

39
- Pin Function List
  39
- Description of Pin Functions
  41
- P00 to P03 (Port 0)
  41
- P10, P11 (Port 1)
  41
- P20 to P25 (Port 2)
  41
- P50 to P53 (Port 5)
  42
- P60 to P63 (Port 6)
  42
- Reset
  42
- X1, X2 ( Μ PD789104, 789114 Subseries)
  42
- CL1, CL2 ( Μ PD789124, 789134 Subseries)
  42
- Av DD
  42
- Av Ss
  42
- VDD
  42
- Vss
  42
- PP ( Μ PD78F9116, 78F9136 Only)
  43
- IC0 (Pin No.20) (Mask ROM Version Only)
  43
- IC0 (Pins No.10 and No.21)
  43
- Pin Input/Output Circuits and Recommended Connection of Unused Pins
  44
Chapter 4 Cpu Architecture

47
- Memory Space
  47
- Internal Program Memory Space
  51
- Internal Data Memory (Internal High-Speed RAM) Space
  52
- Special Function Register (SFR) Area
  52
- Data Memory Addressing
  52
- Processor Registers
  56
- Control Registers
  56
- General Registers
  59
- Special Function Registers (Sfrs)
  60
- Instruction Address Addressing
  63
- Relative Addressing
  63
- Immediate Addressing
  64
- Register Addressing
  65
- Operand Address Addressing
  66
- Direct Addressing
  66
- Short Direct Addressing
  67
- Special Function Register (SFR) Addressing
  68
- Register Addressing
  69
- Register Indirect Addressing
  70
- Based Addressing
  71
- Stack Addressing
  71
Chapter 5 Port Functions

73
- Functions of Ports
  73
- Port Configuration
  75
- Port 0
  75
- Port 1
  76
- Port 2
  77
- Port 5
  81
- Port 6
  82
- Port Function Control Registers
  83
- Operation of Port Functions
  85
- Writing to I/O Port
  85
- Reading from I/O Port
  85
- Arithmetic Operation of I/O Port
  85
CHAPTER 6 CLOCK GENERATOR ( Μ PD789104, 789114 SUBSERIES)

87
- Function of Clock Generator
  87
- Configuration of Clock Generator
  87
- Register Controlling Clock Generator
  88
- System Clock Oscillator
  89
- Divider
  92
- Operation of Clock Generator
  92
- Changing Setting of CPU Clock
  93
- Time Required for Switching CPU Clock
  93
- Switching CPU Clock
  93
CHAPTER 7 CLOCK GENERATOR ( Μ PD789124, 789134 SUBSERIES)

95
- Function of Clock Generator
  95
- Configuration of Clock Generator
  95
- Register Controlling Clock Generator
  96
- System Clock Oscillator
  97
- Divider
  100
- Operation of Clock Generator
  100
- Changing Setting of CPU Clock
  101
- Time Required for Switching CPU Clock
  101
- Switching CPU Clock
  101
Chapter 8 16-Bit Timer Counter

103
- 16-Bit Timer Counter Functions
  104
- 16-Bit Timer Counter Configuration
  105
- Registers Controlling 16-Bit Timer Counter
  107
- 16-Bit Timer Counter Operation
  110
- Operation as Timer Interrupt
  110
- Operation as Timer Output
  112
- Capture Operation
  113
- 16-Bit Timer Register 20 Readout
  114
Chapter 9 8-Bit Timer/Event Counter

115
Chapter 10 Watchdog Timer

129
- Functions of Watchdog Timer
  129
- Configuration of Watchdog Timer
  130
- Watchdog Timer Control Register
  131
- Operation of Watchdog Timer
  133
- Operation as Watchdog Timer
  133
- Operation as Interval Timer
  134
CHAPTER 11 8-BIT A/D CONVERTER ( Μ PD789104, 789124 SUBSERIES)

135
CHAPTER 12 10-BIT A/D CONVERTER ( Μ PD789114, 789134 SUBSERIES)

149
Chapter 13 Serial Interface 20

163
- Functions of Serial Interface 20
  163
- Serial Interface 20 Configuration
  163
- Serial Interface 20 Control Registers
  167
- Serial Interface 20 Operation
  174
- Operation Stop Mode
  174
- Asynchronous Serial Interface (UART) Mode
  176
- 3-Wire Serial I/O Mode
  189
Chapter 14 Multiplier

199
- Multiplier Function
  199
- Multiplier Configuration
  199
- Multiplier Control Register
  201
- Multiplier Operation
  202
Chapter 15 Interrupt Functions

203
Chapter 16 Standby Function

219
- Standby Function and Configuration
  219
- Standby Function
  219
- Standby Function Control Register ( Μ PD789104, 789114 Subseries)
  220
- Operation of Standby Function
  221
- HALT Mode
  221
- STOP Mode
  224
Chapter 17 Reset Function

227
CHAPTER 18 Μ PD78F9116, 78F9136

231
Chapter 19 Mask Option (Mask Rom Version)

239
Chapter 20 Instruction Set

241
- Operation
  241
- Operand Identifiers and Description Methods
  241
- Description of "Operation" Column
  242
- Description of "Flag Operation" Column
  242
- Operation List
  243
- Instructions Listed by Addressing Type
  248
Appendix A Development Tools

251
- Language Processing Software
  253
- Flash Memory Writing Tools
  254
- Debugging Tools
  254
- Hardware
  254
- Software
  255
Appendix B Embedded Software

257
Appendix C Register Index

259
- Register Name Index (Alphabetic Order)
  259
- Register Symbol Index (Alphabetic Order)
  261
Appendix D Revision History

263

NEC Categories

Monitor

Projector Server

Telephone Computer Hardware

More NEC Manuals

NEC mPD789121 Manuals

NEC mPD789121 User Manual (265 pages)

Table of Contents

CHAPTER 1 GENERAL ( Μ PD789104, 789114 SUBSERIES)

CHAPTER 2 GENERAL ( Μ PD789124, 789134 SUBSERIES)

Chapter 3 Pin Functions

Chapter 4 Cpu Architecture

Chapter 5 Port Functions

CHAPTER 6 CLOCK GENERATOR ( Μ PD789104, 789114 SUBSERIES)

CHAPTER 7 CLOCK GENERATOR ( Μ PD789124, 789134 SUBSERIES)

Chapter 8 16-Bit Timer Counter

Chapter 9 8-Bit Timer/Event Counter

Chapter 10 Watchdog Timer

CHAPTER 11 8-BIT A/D CONVERTER ( Μ PD789104, 789124 SUBSERIES)

CHAPTER 12 10-BIT A/D CONVERTER ( Μ PD789114, 789134 SUBSERIES)

Chapter 13 Serial Interface 20

Chapter 14 Multiplier

Chapter 15 Interrupt Functions

Chapter 16 Standby Function

Chapter 17 Reset Function

CHAPTER 18 Μ PD78F9116, 78F9136

Chapter 19 Mask Option (Mask Rom Version)

Chapter 20 Instruction Set

Appendix A Development Tools

Appendix B Embedded Software

Appendix C Register Index

Appendix D Revision History

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