21
21.2
21.3
21.4
Interrupt Sources and Configuration................................................................................. 478
Interrupt Function Control Registers................................................................................. 482
Interrupt Servicing Operations ........................................................................................... 491
21.4.1
Non-maskable interrupt acknowledge operation ..................................................................... 491
21.4.2
Maskable Interrupt request reception ...................................................................................... 494
21.4.3
Software interrupt request acknowledge operation ................................................................. 497
21.4.4
Multiple interrupt servicing....................................................................................................... 497
21.4.5
Interrupt request reserve ......................................................................................................... 501
Test Functions ..................................................................................................................... 502
21.5.1
Registers controlling the test function ..................................................................................... 502
21.5.2
Test input signal acknowledge operation................................................................................. 504
21.5
CHAPTER 22 EXTERNAL DEVICE EXPANSION FUNCTION ............................................................ 505
22.1
22.2
22.3
External Device Expansion Functions............................................................................... 505
External Device Expansion Function Control Register ................................................... 508
External Device Expansion Function Timing .................................................................... 510
CHAPTER 23 STANDBY FUNCTION................................................................................................... 515
23.1
Standby Function and Configuration ................................................................................ 515
23.1.1
Standby function...................................................................................................................... 515
23.1.2
Standby function control register ............................................................................................. 516
Standby Function Operations ............................................................................................ 517
23.2.1
HALT mode.............................................................................................................................. 517
23.2.2
STOP mode............................................................................................................................. 520
23.2
CHAPTER 24 RESET FUNCTION ........................................................................................................ 523
24.1
Reset Function ..................................................................................................................... 523
CHAPTER 25 ROM CORRECTION ...................................................................................................... 527
25.1
25.2
25.3
25.4
25.5
25.6
25.7
ROM Correction Functions ................................................................................................. 527
ROM Correction Configuration........................................................................................... 527
ROM Correction Control Registers .................................................................................... 529
ROM Correction Application............................................................................................... 530
ROM Correction Example ................................................................................................... 533
Program Execution Flow..................................................................................................... 534
Cautions on ROM Correction ............................................................................................. 536
CHAPTER 26
μ
PD78P058F, 78P058FY ............................................................................................... 537
26.1
26.2
26.3
Memory Size Switching Register ....................................................................................... 538
Internal Expansion RAM Size Switching Register............................................................ 539
PROM Programming............................................................................................................ 540
26.3.1
Operating modes ..................................................................................................................... 540
26.3.2
PROM write procedure ............................................................................................................ 542