
14
μPD780948, μPD78F0948, μPD780949, μPD78F0949
Chapter 19 LCD Controller/Driver ..................................................................................................
331
19.1 LCD Controller/Driver Functions........................................................................................
19.2 LCD Controller/Driver Configuration .................................................................................
19.3 LCD Controller/Driver Control Registers ...........................................................................
19.4 LCD Controller/Driver Settings...........................................................................................
19.5 LCD Display Data Memory ..................................................................................................
19.6 Common Signals and Segment Signals ............................................................................
19.7 Supplying LCD Drive Voltage V
LC
0
, V
LC
1
, and V
LC
2
...........................................................
19.8 Display Mode .......................................................................................................................
19.8.1 4-time-division display example.............................................................................
19.9 Cautions on Emulation .......................................................................................................
19.9.1 LCD timer control register (LCDTM) ......................................................................
331
332
334
336
337
338
340
342
342
345
345
Chapter 20 Sound Generator..........................................................................................................
347
20.1 Sound Generator Function .................................................................................................
20.2 Sound Generator Configuration.........................................................................................
20.3 Sound Generator Control Registers ..................................................................................
20.4 Sound Generator Operations .............................................................................................
20.4.1 To output basic cycle signal SGOF (without amplitude) ......................................
20.4.2 To output basic cycle signal SGO (with amplitude).............................................. 354
347
348
349
354
354
Chapter 21 Interrupt Functions ......................................................................................................
356
21.1 Interrupt Function Types ....................................................................................................
21.2 Interrupt Sources and Configuration .................................................................................
21.3 Interrupt Function Control Registers.................................................................................
21.4 Interrupt Servicing Operations ...........................................................................................
21.4.1 Non-maskable interrupt request acknowledge operation ....................................
21.4.2 Maskable interrupt request acknowledge operation ............................................
21.4.3 Software interrupt request acknowledge operation .............................................
21.4.4 Multiple interrupt servicing ....................................................................................
21.4.5 Interrupt request reserve ........................................................................................
356
357
360
366
366
369
371
372
375
Chapter 22 External Device Expansion..........................................................................................
377
22.1 External Device Expansion Functions...............................................................................
22.2 External Device Expansion Function Control Register ....................................................
22.3 External Device Expansion Function Timing ....................................................................
22.4 Example of Connection with Memory ................................................................................
377
380
383
388
Chapter 23 Standby Function .........................................................................................................
390
23.1 Standby Function and Configuration ................................................................................
23.1.1 Standby function .....................................................................................................
23.1.2 Standby function control register ..........................................................................
23.2 Standby Function Operations ............................................................................................
23.2.1 HALT mode ..............................................................................................................
23.2.2 STOP mode ..............................................................................................................
390
390
391
392
392
395