
User’s Manual U16315EJ3V1UD
15
22.1 Functions of Low-Voltage Detector ....................................................................................... 378
22.2 Configuration of Low-Voltage Detector ................................................................................. 378
22.3 Registers Controlling Low-Voltage Detector ........................................................................ 379
22.4 Operation of Low-Voltage Detector........................................................................................ 382
22.5 Cautions for Low-Voltage Detector........................................................................................ 386
CHAPTER 23 REGULATOR ................................................................................................................. 390
23.1 Outline....................................................................................................................................... 390
CHAPTER 24 MASK OPTIONS ........................................................................................................... 392
CHAPTER 25
PD78F0124................................................................................................................... 393
25.1 Internal Memory Size Switching Register ............................................................................. 394
25.2 Writing with Flash Programmer.............................................................................................. 395
25.3 Programming Environment..................................................................................................... 402
25.4 Communication Mode ............................................................................................................. 402
25.5 Connection of Pins on Board ................................................................................................. 405
25.5.1
VPP pin ..........................................................................................................................................405
25.5.2
Serial interface pins ......................................................................................................................405
25.5.3
RESET pin....................................................................................................................................407
25.5.4
Port pins .......................................................................................................................................407
25.5.5
REGC pin .....................................................................................................................................407
25.5.6
Other signal pins...........................................................................................................................407
25.5.7
Power supply ................................................................................................................................407
25.6 Programming Method.............................................................................................................. 408
25.6.1
Controlling flash memory ..............................................................................................................408
25.6.2
Flash memory programming mode...............................................................................................408
25.6.3
Selecting communication mode....................................................................................................409
25.6.4
Communication commands ..........................................................................................................409
CHAPTER 26 INSTRUCTION SET ...................................................................................................... 411
26.1 Conventions Used in Operation List...................................................................................... 411
26.1.1
Operand identifiers and specification methods .............................................................................411
26.1.2
Description of operation column ...................................................................................................412
26.1.3
Description of flag operation column ............................................................................................412
26.2 Operation List........................................................................................................................... 413
26.3 Instructions Listed by Addressing Type ............................................................................... 421
CHAPTER 27 ELECTRICAL SPECIFICATIONS (STANDARD PRODUCTS, (A) GRADE
PRODUCTS) (EXPANDED-SPECIFICATION PRODUCTS) ........................................ 424
CHAPTER 28 ELECTRICAL SPECIFICATIONS (STANDARD PRODUCTS, (A) GRADE
PRODUCTS) (CONVENTIONAL PRODUCTS)............................................................. 443
CHAPTER 29 ELECTRICAL SPECIFICATIONS ((A1) GRADE PRODUCTS)................................ 462
CHAPTER 30 ELECTRICAL SPECIFICATIONS ((A2) GRADE PRODUCTS)................................ 481