22
18.4.4
18.4.5
Nesting ................................................................................................................................
Pending interrupt requests .................................................................................................
18.5 Test Functions..................................................................................................................
18.5.1
Registers controlling test functions....................................................................................
18.5.2
Test input signal acceptance operation.............................................................................
418
421
422
422
424
CHAPTER 19 EXTERNAL DEVICE EXTENSION FUNCTION .....................................................
19.1 External Device Extension Function.............................................................................
19.2 Registers Controlling External Device Extension Function......................................
19.3 Timing of External Device Extension Function...........................................................
19.4 Example of Connection with Memory...........................................................................
425
425
430
432
437
CHAPTER 20 STANDBY FUNCTION.............................................................................................
20.1 Standby Function and Configuration ...........................................................................
20.1.1
Standby function .................................................................................................................
20.1.2
Registers controlling standby function...............................................................................
20.2 Operation of Standby Function .....................................................................................
20.2.1
HALT mode .........................................................................................................................
20.2.2
STOP mode ........................................................................................................................
439
439
439
440
441
441
445
CHAPTER 21 RESET FUNCTION ..................................................................................................
21.1 Reset Function .................................................................................................................
449
449
CHAPTER 22 ROM CORRECTION ................................................................................................
22.1 Function of ROM Correction ..........................................................................................
22.2 Configuration of ROM Correction .................................................................................
22.3 Registers Controlling ROM Correction.........................................................................
22.4 Using ROM Correction ....................................................................................................
22.5 Example of Using ROM Correction ...............................................................................
22.6 Program Execution Flow ................................................................................................
22.7 Notes on ROM Correction ..............................................................................................
453
453
453
455
457
459
460
462
CHAPTER 23
μ
PD78P018F, 78P018FY .........................................................................................
23.1 Memory Size Select Register .........................................................................................
23.2 Internal Extension RAM Size Select Register..............................................................
23.3 PROM Programming........................................................................................................
23.3.1
Operation mode ..................................................................................................................
23.3.2
PROM write sequence........................................................................................................
23.3.3
PROM read sequence ........................................................................................................
23.4 Erasure:
μ
PD78P018FDW, 78P018FKK-S
μ
PD78P018FYDW, 78P018FYKK-S ...............................................................
23.5 Erasure Window Stickers ...............................................................................................
23.6 Screening of One-Time PROM Model ...........................................................................
463
465
467
468
468
470
474
475
475
475
CHAPTER 24 INSTRUCTION SET .................................................................................................
24.1 Legend ...............................................................................................................................
24.1.1
Operand representation and formats.................................................................................
24.1.2
Description of operation column ........................................................................................
477
478
478
479