NEC uPD78P078 User Manual

User’s manual

PD78076

PD78078

PD78P078

PD78076Y

PD78078Y

PD78P078Y

PD78078, 78078Y Subseries

8-bit Single-chip Microcontrollers

Document No. U10641EJ4V0UM00 (4th edition)
Date Published December 1997 N

1994

User’s Manual

Printed in Japan

This manual is related to the following products:

PD78078 PD78P078 PD78078Y uPD78076Y uPD78078Y PD78076Y uPD78P078Y PD78076 uPD78076 PD78P078Y uPD78078

Table of contents

Document Outline

COVER
Major Revisions in This Edition
INTRODUCTION
CHAPTER 1 OUTLINE (uPD78078 SUBSERIES)
- 1.1 Features
- 1.2 Application Fields
- 1.3 Ordering Information
- 1.4 Quality Grade
- 1.5 Pin Configuration (Top View)
- 1.6 78K/0 Series Expansion
- 1.7 Block Diagram
- 1.8 Outline of Function
- 1.9 Mask Options
- 1.10 Differences with uPD78054 Subseries
CHAPTER 2 OUTLINE (uPD78078Y SUBSERIES)
- 2.1 Features
- 2.2 Application Fields
- 2.3 Ordering Information
- 2.4 Quality Grade
- 2.5 Pin Configuration (Top View)
- 2.6 78K/0 Series Expansion
- 2.7 Block Diagram
- 2.8 Outline of Function
- 2.9 Mask Options
- 2.10 Differences with uPD78054Y Subseries
CHAPTER 3 PIN FUNCTION (uPD78078 SUBSERIES)
- 3.1 Pin Function List
  - 3.1.1 Normal operating mode pins
  - 3.1.2 PROM programming mode pins (uPD78P078 only)
- 3.2 Description of Pin Functions
- 3.3 Input/output Circuits and Recommended Connection of Unused Pins
CHAPTER 4 PIN FUNCTION (uPD78078Y SUBSERIES)
- 4.1 Pin Function List
  - 4.1.1 Normal operating mode pins
  - 4.1.2 PROM programming mode pins (uPD78P078Y only)
- 4.2 Description of Pin Functions
- 4.3 Input/output Circuits and Recommended Connection of Unused Pins
CHAPTER 5 CPU ARCHITECTURE
- 5.1 Memory Spaces
- 5.2 Processor Registers
- 5.3 Instruction Address Addressing
- 5.4 Operand Address Addressing
CHAPTER 6 PORT FUNCTIONS
- 6.1 Port Functions
- 6.2 Port Configuration
- 6.3 Port Function Control Registers
- 6.4 Port Function Operations
- 6.5 Selection of Mask Option
CHAPTER 7 CLOCK GENERATOR
- 7.1 Clock Generator Functions
- 7.2 Clock Generator Configuration
- 7.3 Clock Generator Control Register
- 7.4 System Clock Oscillator
- 7.5 Clock Generator Operations
  - 7.5.1 Main system clock operations
  - 7.5.2 Subsystem clock operations
- 7.6 Changing System Clock and CPU Clock Settings
  - 7.6.1 Time required for switchover between system clock and CPU clock
  - 7.6.2 System clock and CPU clock switching procedure
CHAPTER 8 16-BIT TIMER/EVENT COUNTER
- 8.1 Outline of Timers Incorporated into uPD78078, 78078Y Subseries
- 8.2 16-Bit Timer/Event Counter Functions
- 8.3 16-Bit Timer/Event Counter Configuration
- 8.4 16-Bit Timer/Event Counter Control Registers
- 8.5 16-Bit Timer/Event Counter Operations
- 8.6 16-Bit Timer/Event Counter Operating Precautions
CHAPTER 9 8-BIT TIMER/EVENT COUNTERS 1 AND 2
- 9.1 8-Bit Timer/Event Counters 1 and 2 Functions
  - 9.1.1 8-bit timer/event counter mode
  - 9.1.2 16-bit timer/event counter mode
- 9.2 8-Bit Timer/Event Counters 1 and 2 Configurations
- 9.3 8-Bit Timer/Event Counters 1 and 2 Control Registers
- 9.4 8-Bit Timer/Event Counters 1 and 2 Operations
  - 9.4.1 8-bit timer/event counter mode
  - 9.4.2 16-bit timer/event counter mode
- 9.5 8-Bit Timer/Event Counters 1 and 2 Precautions
CHAPTER 10 8-BIT TIMER/EVENT COUNTERS 5 AND 6
- 10.1 8-Bit Timer/Event Counters 5 and 6 Functions
- 10.2 8-Bit Timer/Event Counters 5 and 6 Configurations
- 10.3 8-Bit Timer/Event Counters 5 and 6 Control Registers
- 10.4 8-Bit Timer/Event Counters 5 and 6 Operations
- 10.5 8-Bit Timer/Event Counters 5 and 6 Precautions
CHAPTER 11 WATCH TIMER
- 11.1 Watch Timer Functions
- 11.2 Watch Timer Configuration
- 11.3 Watch Timer Control Registers
- 11.4 Watch Timer Operations
  - 11.4.1 Watch timer operation
  - 11.4.2 Interval timer operation
CHAPTER 12 WATCHDOG TIMER
- 12.1 Watchdog Timer Functions
- 12.2 Watchdog Timer Configuration
- 12.3 Watchdog Timer Control Registers
- 12.4 Watchdog Timer Operations
  - 12.4.1 Watchdog timer operation
  - 12.4.2 Interval timer operation
CHAPTER 13 CLOCK OUTPUT CONTROL CIRCUIT
- 13.1 Clock Output Control Circuit Functions
- 13.2 Clock Output Control Circuit Configuration
- 13.3 Clock Output Function Control Registers
CHAPTER 14 BUZZER OUTPUT CONTROL CIRCUIT
- 14.1 Buzzer Output Control Circuit Functions
- 14.2 Buzzer Output Control Circuit Configuration
- 14.3 Buzzer Output Function Control Registers
CHAPTER 15 A/D CONVERTER
- 15.1 A/D Converter Functions
- 15.2 A/D Converter Configuration
- 15.3 A/D Converter Control Registers
- 15.4 A/D Converter Operations
- 15.5 A/D Converter Cautions
CHAPTER 16 D/A CONVERTER
- 16.1 D/A Converter Functions
- 16.2 D/A Converter Configuration
- 16.3 D/A Converter Control Registers
- 16.4 D/A Converter Operations
- 16.5 D/A Converter Cautions
CHAPTER 17 SERIAL INTERFACE CHANNEL 0 (uPD78078 SUBSERIES)
- 17.1 Serial Interface Channel 0 Functions
- 17.2 Serial Interface Channel 0 Configuration
- 17.3 Serial Interface Channel 0 Control Registers
- 17.4 Serial Interface Channel 0 Operations
CHAPTER 18 SERIAL INTERFACE CHANNEL 0 (uPD78078Y Subseries)
- 18.1 Serial Interface Channel 0 Functions
- 18.2 Serial Interface Channel 0 Configuration
- 18.3 Serial Interface Channel 0 Control Registers
- 18.4 Serial Interface Channel 0 Operations
CHAPTER 19 SERIAL INTERFACE CHANNEL 1
- 19.1 Serial Interface Channel 1 Functions
- 19.2 Serial Interface Channel 1 Configuration
- 19.3 Serial Interface Channel 1 Control Registers
- 19.4 Serial Interface Channel 1 Operations
CHAPTER 20 SERIAL INTERFACE CHANNEL 2
- 20.1 Serial Interface Channel 2 Functions
- 20.2 Serial Interface Channel 2 Configuration
- 20.3 Serial Interface Channel 2 Control Registers
- 20.4 Serial Interface Channel 2 Operation
CHAPTER 21 REAL-TIME OUTPUT PORT
- 21.1 Real-Time Output Port Functions
- 21.2 Real-Time Output Port Configuration
- 21.3 Real-Time Output Port Control Registers
CHAPTER 22 INTERRUPT FUNCTIONS
- 22.1 Interrupt Function Types
- 22.2 Interrupt Sources and Configuration
- 22.3 Interrupt Function Control Registers
- 22.4 Interrupt Servicing Operations
- 22.5 Test Functions
  - 22.5.1 Registers controlling the test function
  - 22.5.2 Test input signal acknowledge operation
CHAPTER 23 EXTERNAL DEVICE EXPANSION FUNCTION
- 23.1 External Device Expansion Functions
- 23.2 External Device Expansion Function Control Register
- 23.3 External Device Expansion Function Timing
  - 23.3.1 Timings in multiplexed bus mode
  - 23.3.2 Timings in separate bus mode
CHAPTER 24 STANDBY FUNCTION
- 24.1 Standby Function and Configuration
  - 24.1.1 Standby function
  - 24.1.2 Standby function control register
- 24.2 Standby Function Operations
  - 24.2.1 HALT mode
  - 24.2.2 STOP mode
CHAPTER 25 RESET FUNCTION
- 25.1 Reset Function
CHAPTER 26 ROM CORRECTION
- 26.1 ROM Correction Functions
- 26.2 ROM Correction Configuration
- 26.3 ROM Correction Control Registers
- 26.4 ROM Correction Application
- 26.5 ROM Correction Example
- 26.6 Program Execution Flow
- 26.7 Cautions on ROM Correction
CHAPTER 27 uPD78P078, 78P078Y
- 27.1 Internal Memory Size Switching Register
- 27.2 Internal Extension RAM Size Switching Register
- 27.3 PROM Programming
- 27.4 Erasure Procedure (uPD78P078KL-T and 78P078YKL-T Only)
- 27.5 Opaque Film Masking Window (uPD78P078KL-T and 78P078YKL-T Only)
- 27.6 Screening of One-Time PROM Versions
CHAPTER 28 INSTRUCTION SET
- 28.1 Legends Used in Operation List
- 28.2 Operation List
- 28.3 Instructions Listed by Addressing Type
APPENDIX A DIFFERENCES BETWEEN uPD78078, 78075B SUBSERIES, AND uPD78070A
APPENDIX B DEVELOPMENT TOOLS
- B.1 Language Processing Software
- B.2 PROM Writing Tools
  - B.2.1 Hardware
  - B.2.2 Software
- B.3 Debugging Tools
  - B.3.1 Hardware
  - B.3.2 Software
- B.4 OS for IBM PC
- B.5 System Upgrading from Former-type In-circuit Emulator for 78K/0 Series to IE-78001-R-A
APPENDIX C EMBEDDED SOFTWARE
APPENDIX D REGISTER INDEX
- D.1 Register Name Index
- D.2 Register Symbol Index
APPENDIX E REVISION HISTORY