UPD78F0547DGK(T)-8EU-A View Datasheet(PDF) - Unspecified

Part Name

Description

Manufacturer

UPD78F0547DGK(T)-8EU-A

8-Bit Single-Chip Microcontrollers

Unspecified 

22.2.1 HALT mode..............................................................................................................................534

22.2.2 STOP mode .............................................................................................................................539

CHAPTER 23 RESET FUNCTION ....................................................................................................... 544

23.1 Register for Confirming Reset Source ................................................................................ 552

CHAPTER 24 POWER-ON-CLEAR CIRCUIT ..................................................................................... 553

24.1 Functions of Power-on-Clear Circuit ................................................................................... 553

24.2 Configuration of Power-on-Clear Circuit............................................................................. 554

24.3 Operation of Power-on-Clear Circuit ................................................................................... 554

24.4 Cautions for Power-on-Clear Circuit.................................................................................... 557

CHAPTER 25 LOW-VOLTAGE DETECTOR ....................................................................................... 559

25.1

25.2

25.3

25.4

25.5

Functions of Low-Voltage Detector ..................................................................................... 559

Configuration of Low-Voltage Detector............................................................................... 559

Registers Controlling Low-Voltage Detector ...................................................................... 560

Operation of Low-Voltage Detector ..................................................................................... 563

25.4.1 When used as reset .................................................................................................................564

25.4.2 When used as interrupt ............................................................................................................569

Cautions for Low-Voltage Detector...................................................................................... 574

CHAPTER 26 OPTION BYTE............................................................................................................... 577

26.1 Functions of Option Bytes .................................................................................................... 577

26.2 Format of Option Byte ........................................................................................................... 578

CHAPTER 27 FLASH MEMORY.......................................................................................................... 581

27.1

27.2

27.3

27.4

27.5

27.6

27.7

27.8

27.9

Internal Memory Size Switching Register ........................................................................... 581

Internal Expansion RAM Size Switching Register.............................................................. 582

Writing with Flash Programmer ........................................................................................... 583

Programming Environment................................................................................................... 586

Communication Mode ........................................................................................................... 586

Handling of Pins on Board.................................................................................................... 588

27.6.1 FLMD0 pin ...............................................................................................................................588

27.6.2 Serial interface pins..................................................................................................................588

27.6.3 RESET pin ...............................................................................................................................590

27.6.4 Port pins...................................................................................................................................590

27.6.5 REGC pin.................................................................................................................................590

27.6.6 Other signal pins ......................................................................................................................590

27.6.7 Power supply ...........................................................................................................................590

Programming Method............................................................................................................ 591

27.7.1 Controlling flash memory .........................................................................................................591

27.7.2 Flash memory programming mode ..........................................................................................591

27.7.3 Selecting communication mode ...............................................................................................592

27.7.4 Communication commands......................................................................................................593

Security Settings.................................................................................................................... 594

Flash Memory Programming by Self-Programming........................................................... 596

Preliminary User’s Manual U17397EJ2V1UD

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