NEC 78014Y Series, User Manual

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CHAPTER 17 SERIAL INTERFACE CHANNEL 1 ....................................................................... 409
17.1 Serial Interface Channel 1 Functions ......................................................................... 409
17.2 Serial Interface Channel 1 Configuration ................................................................... 410
17.3 Serial Interface Channel 1 Control Registers ............................................................ 413
17.4 Serial Interface Channel 1 Operations ....................................................................... 418
17.4.1 Operation stop mode .......................................................................................................... 418
17.4.2 3-wire serial I/O mode operation ....................................................................................... 419
17.4.3 3-wire serial I/O mode operation with automatic transmit/receive function .................... 422
CHAPTER 18 INTERRUPT FUNCTIONS AND TEST FUNCTION ............................................. 447
18.1 Interrupt Function Types .............................................................................................. 447
18.2 Interrupt Sources and Configuration .......................................................................... 447
18.3 Interrupt Function Control Registers ......................................................................... 451
18.4 Interrupt Servicing Operations .................................................................................... 459
18.4.1 Non-maskable interrupt request acknowledge operation ................................................. 459
18.4.2 Maskable interrupt request acknowledge operation ......................................................... 462
18.4.3 Software interrupt request acknowledge operation .......................................................... 465
18.4.4 Multiple interrupt servicing ................................................................................................. 465
18.4.5 Interrupt request reserve ................................................................................................... 468
18.5 Test Function ................................................................................................................. 469
18.5.1 Test function control registers ........................................................................................... 469
18.5.2 Test input signal acknowledge operation .......................................................................... 471
CHAPTER 19 EXTERNAL DEVICE EXPANSION FUNCTION ................................................... 473
19.1 External Device Expansion Functions ....................................................................... 473
19.2 External Device Expansion Control Register ............................................................ 476
19.3 External Device Expansion Function Timing ............................................................ 477
19.4 Example of Memory Connection ................................................................................. 482
CHAPTER 20 STANDBY FUNCTION ........................................................................................... 483
20.1 Standby Function and Configuration ......................................................................... 483
20.1.1 Standby function ................................................................................................................. 483
20.1.2 Standby function control register ....................................................................................... 484
20.2 Standby Function Operations ...................................................................................... 485
20.2.1 HALT mode ......................................................................................................................... 485
20.2.2 STOP mode ........................................................................................................................ 488
CHAPTER 21 RESET FUNCTION ................................................................................................ 491
21.1 Reset Function ............................................................................................................... 491
CHAPTER 22
µ
PD78P014, 78P014Y ........................................................................................... 495
22.1 Internal Memory Size Switching Register .................................................................. 495