NEC uPD78P078 - Manual (Page 19)

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CHAPTER 21 REAL-TIME OUTPUT PORT ........................................................................................ 495
21.1 Real-Time Output Port Functions ..................................................................................... 495
21.2 Real-Time Output Port Configuration ............................................................................... 495
21.3 Real-Time Output Port Control Registers ........................................................................ 497
CHAPTER 22 INTERRUPT FUNCTIONS ............................................................................................ 499
22.1 Interrupt Function Types .................................................................................................... 499
22.2 Interrupt Sources and Configuration ................................................................................ 500
22.3 Interrupt Function Control Registers ............................................................................... 504
22.4 Interrupt Servicing Operations .......................................................................................... 513
22.4.1 Non-maskable interrupt request acknowledge operation ........................................................ 513
22.4.2 Maskable interrupt request acknowledge operation ................................................................ 516
22.4.3 Software interrupt request acknowledge operation ................................................................. 518
22.4.4 Multiple interrupt servicing ........................................................................................................ 519
22.4.5 Interrupt request reserve .......................................................................................................... 522
22.5 Test Functions ..................................................................................................................... 523
22.5.1 Registers controlling the test function ...................................................................................... 523
22.5.2 Test input signal acknowledge operation ................................................................................. 525
CHAPTER 23 EXTERNAL DEVICE EXPANSION FUNCTION ........................................................... 527
23.1 External Device Expansion Functions ............................................................................. 527
23.2 External Device Expansion Function Control Register ................................................. 531
23.3 External Device Expansion Function Timing .................................................................. 534
23.3.1 Timings in multiplexed bus mode ............................................................................................ 534
23.3.2 Timings in separate bus mode ................................................................................................ 539
CHAPTER 24 STANDBY FUNCTION .................................................................................................. 545
24.1 Standby Function and Configuration ............................................................................... 545
24.1.1 Standby function ........................................................................................................................ 545
24.1.2 Standby function control register .............................................................................................. 546
24.2 Standby Function Operations ............................................................................................ 547
24.2.1 HALT mode ................................................................................................................................ 547
24.2.2 STOP mode ............................................................................................................................... 550
CHAPTER 25 RESET FUNCTION ....................................................................................................... 553
25.1 Reset Function ..................................................................................................................... 553
CHAPTER 26 ROM CORRECTION ..................................................................................................... 559
26.1 ROM Correction Functions ................................................................................................. 559
26.2 ROM Correction Configuration .......................................................................................... 559
26.3 ROM Correction Control Registers ................................................................................... 561
26.4 ROM Correction Application .............................................................................................. 562
26.5 ROM Correction Example ................................................................................................... 565
26.6 Program Execution Flow .................................................................................................... 566
26.7 Cautions on ROM Correction ............................................................................................. 568