CHAPTER 12 WATCHDOG TIMER ..................................................................................................... 251
12.1 Watchdog Timer Functions ............................................................................................... 251
12.2 Watchdog Timer Configuration ........................................................................................ 253
12.3 Watchdog Timer Control Registers ................................................................................. 254
12.4 Watchdog Timer Operations ............................................................................................. 257
12.4.1 Watchdog timer operation ..................................................................................................... 257
12.4.2 Interval timer operation .......................................................................................................... 258
CHAPTER 13 CLOCK OUTPUT CONTROL CIRCUIT........................................................................ 259
13.1 Clock Output Control Circuit Functions ......................................................................... 259
13.2 Clock Output Control Circuit Configuration................................................................... 260
13.3 Clock Output Function Control Registers ...................................................................... 261
CHAPTER 14 BUZZER OUTPUT CONTROL CIRCUIT ...................................................................... 265
14.1 Buzzer Output Control Circuit Functions ....................................................................... 265
14.2 Buzzer Output Control Circuit Configuration................................................................. 265
14.3 Buzzer Output Function Control Registers .................................................................... 266
CHAPTER 15 A/D CONVERTER ......................................................................................................... 269
15.1 A/D Converter Functions ................................................................................................... 269
15.2 A/D Converter Configuration ............................................................................................ 269
15.3 A/D Converter Control Registers ..................................................................................... 273
15.4 A/D Converter Operations ................................................................................................. 277
15.4.1 Basic operations of A/D converter ........................................................................................ 277
15.4.2 Input voltage and conversion results .................................................................................... 279
15.4.3 A/D converter operating mode .............................................................................................. 280
15.5 A/D Converter Cautions ..................................................................................................... 282
CHAPTER 16 D/A CONVERTER ......................................................................................................... 287
16.1 D/A Converter Functions ................................................................................................... 287
16.2 D/A Converter Configuration ............................................................................................ 288
16.3 D/A Converter Control Registers ..................................................................................... 290
16.4 Operations of D/A Converter ............................................................................................ 291
16.5 Cautions Related to D/A Converter.................................................................................. 292
CHAPTER 17 SERIAL INTERFACE CHANNEL 0 (µPD78070A) ....................................................... 293
17.1 Serial Interface Channel 0 Functions .............................................................................. 294
17.2 Serial Interface Channel 0 Configuration........................................................................ 296
17.3 Serial Interface Channel 0 Control Registers................................................................. 300
17.4 Serial Interface Channel 0 Operations ............................................................................ 307
17.4.1 Operation stop mode ............................................................................................................. 307
17.4.2 3-wire serial I/O mode operation ........................................................................................... 308
17.4.3 SBI mode operation ............................................................................................................... 312
17.4.4 2-wire serial I/O mode operation ........................................................................................... 338
17.4.5 SCK0/P27 pin output manipulation ....................................................................................... 343
CHAPTER 18 SERIAL INTERFACE CHANNEL 0 (µPD78070AY) ..................................................... 345
18.1 Serial Interface Channel 0 Functions .............................................................................. 346
19