D780206GF Просмотр технического описания (PDF) - NEC => Renesas Technology
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D780206GF Datasheet PDF : 418 Pages
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15.7 Key Scan Flag and Key Scan Data .................................................................................. 314
15.7.1 Key scan flag ........................................................................................................................... 314
15.7.2 Key scan data .......................................................................................................................... 314
15.8 Light Leakage of VFD ......................................................................................................... 315
15.9 Display Examples ............................................................................................................... 317
15.9.1 Segment type (display mode 1: DSPM05 = 0) ...................................................................... 318
15.9.2 Dot type (display mode 1: DSPM05 = 0) ............................................................................... 320
15.9.3 Display type in which a segment spans two or more grids
(display mode 2: DSPM05 = 1) .............................................................................................. 322
15.10 Calculating Total Power Dissipation............................................................................... 326
15.10.1 Segment type (display mode 1: DSPM05 = 0) ...................................................................... 326
15.10.2 Dot type (display mode 1: DSPM05 = 0) ............................................................................... 329
15.10.3 Display type in which a segment spans two or more grids
(display mode 2: DSPM05 = 1) .............................................................................................. 332
CHAPTER 16 INTERRUPT AND TEST FUNCTIONS .......................................................................... 335
16.1 Interrupt Function Types ................................................................................................... 335
16.2 Interrupt Sources and Configuration ............................................................................... 336
16.3 Interrupt Function Control Registers .............................................................................. 339
16.4 Interrupt Servicing Operations ......................................................................................... 347
16.4.1 Non-maskable interrupt request acknowledgment operation ................................................ 347
16.4.2 Maskable interrupt request acknowledgment operation ........................................................ 350
16.4.3 Software interrupt request acknowledgment operation ......................................................... 352
16.4.4 Multiple interrupt servicing ...................................................................................................... 353
16.4.5 Interrupt request hold .............................................................................................................. 356
16.5 Test Functions .................................................................................................................... 357
16.5.1 Test function control registers ................................................................................................ 357
16.5.2 Test input signal acknowledgment operation ........................................................................ 358
CHAPTER 17 STANDBY FUNCTION ................................................................................................... 359
17.1 Standby Function and Configuration .............................................................................. 359
17.1.1 Standby function ...................................................................................................................... 359
17.1.2 Standby function control register ............................................................................................ 360
17.2 Standby Function Operations ........................................................................................... 361
17.2.1 HALT mode ............................................................................................................................. 361
17.2.2 STOP mode ............................................................................................................................. 364
CHAPTER 18 RESET FUNCTION ........................................................................................................ 367
18.1 Reset Function .................................................................................................................... 367
CHAPTER 19 µPD78P0208 .................................................................................................................. 371
19.1 Internal Memory Size Switching Register ....................................................................... 372
19.2 Internal Expansion RAM Size Switching Register ......................................................... 374
19.3 PROM Programming ........................................................................................................... 375
19.3.1 Operating modes ..................................................................................................................... 375
19.3.2 PROM write procedure ........................................................................................................... 377
19.3.3 PROM read procedure ............................................................................................................ 381
19.4 Screening of One-Time PROM Version ........................................................................... 382
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User’s Manual U11302EJ4V0UM
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