
User’s Manual U18417EJ3V0UD
12
CHAPTER 9 WATCHDOG TIMER ....................................................................................................... 356
9.1 Functions of Watchdog Timer ............................................................................................................ 356
9.2 Configuration of Watchdog Timer...................................................................................................... 357
9.3 Register Controlling Watchdog Timer............................................................................................... 358
9.4 Operation of Watchdog Timer ............................................................................................................ 359
9.4.1 Controlling operation of watchdog timer ..........................................................................................359
9.4.2 Setting overflow time of watchdog timer..........................................................................................360
9.4.3 Setting window open period of watchdog timer ...............................................................................361
9.4.4 Setting watchdog timer interval interrupt .........................................................................................362
CHAPTER 10 CLOCK OUTPUT/BUZZER OUTPUT CONTROLLER............................................... 363
10.1 Functions of Clock Output/Buzzer Output Controller................................................................... 363
10.2 Configuration of Clock Output/Buzzer Output Controller ............................................................ 364
10.3 Registers Controlling Clock Output/Buzzer Output Controller ................................................... 364
10.4 Operations of Clock Output/Buzzer Output Controller................................................................. 366
10.4.1 Operation as output pin .................................................................................................................366
CHAPTER 11 A/D CONVERTER ......................................................................................................... 367
11.1 Function of A/D Converter ................................................................................................................ 367
11.2 Configuration of A/D Converter........................................................................................................ 368
11.3 Registers Used in A/D Converter ..................................................................................................... 370
11.4 A/D Converter Operations ................................................................................................................. 378
11.4.1 Basic operations of A/D converter .................................................................................................378
11.4.2 Input voltage and conversion results .............................................................................................380
11.4.3 A/D converter operation mode ......................................................................................................381
11.5 Temperature Sensor Function.......................................................................................................... 383
11.5.1 Configuration of temperature sensor .............................................................................................383
11.5.2 Registers used by temperature sensors........................................................................................384
11.5.3 Temperature sensor operation ......................................................................................................386
11.5.4 Procedures for using temperature sensors ...................................................................................388
11.6 How to Read A/D Converter Characteristics Table ....................................................................... 391
11.7 Cautions for A/D Converter............................................................................................................... 393
CHAPTER 12 D/A CONVERTER ......................................................................................................... 398
12.1 Function of D/A Converter ................................................................................................................ 398
12.2 Configuration of D/A Converter........................................................................................................ 398
12.3 Registers Used in D/A Converter ..................................................................................................... 400
12.4 Operation of D/A Converter............................................................................................................... 403
12.4.1 Operation in normal mode.............................................................................................................403
12.4.2 Operation in real-time output mode ...............................................................................................404
12.4.3 Cautions ........................................................................................................................................405
CHAPTER 13 SERIAL ARRAY UNIT.................................................................................................. 406
13.1 Functions of Serial Array Unit .......................................................................................................... 406