NEC mPD17121 Manuals

Manuals and User Guides for NEC mPD17121. We have 1 NEC mPD17121 manual available for free PDF download: User Manual

NEC mPD17121 User Manual (289 pages)

4-Bit Single-Chip Microcontroller

Brand: NEC | Category: Microcontrollers | Size: 1.14 MB

Table of Contents
6
Chapter 1 General

16
- Function List
  
  17
- Ordering Information
  
  18
- Block Diagram
  
  19
- PIN CONFIGURATION (Top View)
  
  21
Chapter 2 Pin Functions

24
Chapter 3 Program Counter (Pc)

34
Chapter 4 Program Memory (Rom)

38
- Program Memory Configuration
  
  38
- Program Memory Usage
  
  39
  - Flow of the Program
    39
Chapter 5 Data Memory (Ram)

46
- Data Memory Configuration
  
  46
  - System Register (SYSREG)
    47
  - Data Buffer (DBF)
    47
  - General Register (GR)
    47
  - Port Registers
    48
  - General Data Memory
    48
  - Uninstalled Data Memory
    48
Chapter 6 Stack

50
Chapter 7 System Register (Sysreg)

56
Chapter 8 General Register (Gr)

84
- General Register Configuration
  
  84
- Functions of the General Register
  
  84
Chapter 9 Register File (Rf)

86
Chapter 10 Data Buffer (Dbf)

94
- Data Buffer Configuration
  
  94
- Functions of the Data Buffer
  
  95
  - Data Buffer and Peripheral Hardware
    96
  - Data Transfer with Peripheral Hardware
    97
Chapter 11 Arithmetic and Logic Unit

100
- Alu Block Configuration
  
  100
- Functions of the Alu Block
  
  100
- Arithmetic Operations (Addition and Subtraction in 4-Bit Binary and Bcd)
  
  109
- Logical Operations
  
  111
- Bit Judgement
  
  112
  - TRUE (1) Bit Judgement
    113
  - FALSE (0) Bit Judgement
    113
- Comparison Judgement
  
  114
  - Equal To" Judgement
    115
  - Not Equal To" Judgement
    115
  - Greater than or Equal To" Judgement
    116
  - Less Than" Judgement
    116
- Rotations
  
  117
  - Rotation to the Right
    117
  - Rotation to the Left
    118
Chapter 12 Ports

120
Chapter 13 Peripheral Hardware

132
- 8-Bit Timer Counter (Tm)
  
  132
- COMPARATOR (Mpd17132, 17133, 17P132, and 17P133 ONLY)
  
  146
  - Configuration of Comparator
    146
  - Functions of Comparator
    147
- Serial Interface (Sio)
  
  150
Chapter 14 Interrupt Functions

160
- Interrupt Sources and Vector Address
  
  161
- Hardware Components of the Interrupt Control Circuit
  
  162
  - Interrupt Request Flag (IRQ×××) and the Interrupt Enable Flag (IP×××)
    162
  - EI/DI Instruction
    162
- Interrupt Sequence
  
  167
  - Acceptance of Interrupts
    167
  - Return from the Interrupt Routine
    169
  - Interrupt Acceptance Timing
    170
- Program Example of Interrupt
  
  173
Chapter 15 Standby Functions

176
- Outline of Standby Function
  
  176
- Halt Mode
  
  178
  - HALT Mode Setting
    178
  - Start Address after HALT Mode Is Canceled
    178
  - HALT Setting Condition
    180
- Stop Mode
  
  182
  - STOP Mode Setting
    182
  - Start Address after STOP Mode Cancellation
    182
  - STOP Setting Condition
    184
Chapter 16 Reset

186
Chapter 17 One-Time Prom Writing/Verifying

194
Chapter 18 Instruction Set

200
- Overview of the Instruction Set
  
  200
- Legend
  
  201
- List of the Instruction Set
  
  202
- Assembler (As17K) Macro Instructions
  
  203
- Instructions
  
  204
  - Addition Instructions
    204
  - Subtraction Instructions
    217
  - Logical Operation Instructions
    226
  - Judgment Instruction
    231
  - Comparison Instructions
    233
  - Rotation Instructions
    236
  - Transfer Instructions
    237
  - Branch Instructions
    254
  - Subroutine Instructions
    256
  - Interrupt Instructions
    262
  - Other Instructions
    264
Chapter 19 Assembler Reserved Words

266
- Mask Option Pseudo Instructions
  
  266
  - OPTION and ENDOP Pseudo Instructions
    266
  - Mask Option Definition Pseudo Instructions
    267
- Reserved Symbols
  
  269
  - List of Reserved Symbols ( Μ PD17120, 17121)
    269
  - List of Reserved Symbols ( Μ PD17132, 17133, 17P132, 17P133)
    275
Appendix A Development Tools

282
Appendix B Ordering Mask Rom

284
Appendix C Cautions to Take in System Clock Oscillation Circuit Configurations

286
Appendix D Instruction List

288

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NEC mPD17121 Manuals

NEC mPD17121 User Manual (289 pages)

Table of Contents

Chapter 1 General

Function List

Ordering Information

Block Diagram

PIN CONFIGURATION (Top View)

Chapter 2 Pin Functions

Pin Input/Output Circuit

Handling Unused Pins

CAUTIONS on USE of the RESET and INT PINS (in Normal Operation Mode Only)

Chapter 3 Program Counter (Pc)

Program Counter Configuration

Program Counter Operation

Cautions on Program Counter Operation

Chapter 4 Program Memory (Rom)

Program Memory Configuration

Program Memory Usage

Chapter 5 Data Memory (Ram)

Data Memory Configuration

Chapter 6 Stack

Stack Configuration

Functions of the Stack

Address Stack Register

Interrupt Stack Register

Stack Pointer (Sp) and Interrupt Stack Register

Stack Operation During Subroutines, Table References, and Interrupts

Stack Nesting Levels and the Push and Pop Instructions

Chapter 7 System Register (Sysreg)

System Register Configuration

Address Register (Ar)

Window Register (Wr)

Bank Register (Bank)

INDEX REGISTER (IX) and DATA MEMORY ROW ADDRESS POINTER (Memory Pointer: MP)

General Register Pointer (Rp)

Program Status Word (Psword)

Cautions on Use of the System Register

Chapter 8 General Register (Gr)

General Register Configuration

Functions of the General Register

Chapter 9 Register File (Rf)

Register File Configuration

Functions of the Register File

Control Register

Cautions on Using the Register File

Chapter 10 Data Buffer (Dbf)

Data Buffer Configuration

Functions of the Data Buffer

Chapter 11 Arithmetic and Logic Unit

Alu Block Configuration

Functions of the Alu Block

Arithmetic Operations (Addition and Subtraction in 4-Bit Binary and Bcd)

Logical Operations

Bit Judgement

Comparison Judgement

Rotations

Chapter 12 Ports

Port 0A (P0A , P0A 1 , P0A 2 , P0A 3 )

Port 0B (P0B , P0B 1 , P0B 2 , P0B 3 )

Port 0C (P0C , P0C , P0C , P0C )

Port 0C

Port P0D (Pp0D /Sck, Pp0D /So, Pp0D /Si, Pp0D /Tmout)

PORT 0E (P0E0, P0E1/V ) ... V , Μ PD17132, 17133, 17P132, and 17P133 Only

Port Control Register

Chapter 13 Peripheral Hardware

8-Bit Timer Counter (Tm)

COMPARATOR (Mpd17132, 17133, 17P132, and 17P133 ONLY)

Serial Interface (Sio)

Chapter 14 Interrupt Functions

Interrupt Sources and Vector Address

Hardware Components of the Interrupt Control Circuit

Interrupt Sequence

Program Example of Interrupt

Chapter 15 Standby Functions

Outline of Standby Function

Halt Mode

Stop Mode

Chapter 16 Reset

Reset Functions