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User’s Manual U18432EJ5V0UD
12
CHAPTER 9 WATCHDOG TIMER ....................................................................................................... 359
9.1 Functions of Watchdog Timer................................................................................................... 359
9.2 Configuration of Watchdog Timer ............................................................................................ 360
9.3 Register Controlling Watchdog Timer...................................................................................... 361
9.4 Operation of Watchdog Timer................................................................................................... 362
9.4.1 Controlling operation of watchdog timer ..........................................................................................362
9.4.2 Setting overflow time of watchdog timer..........................................................................................363
9.4.3 Setting window open period of watchdog timer ...............................................................................364
9.4.4 Setting watchdog timer interval interrupt .........................................................................................365
CHAPTER 10 CLOCK OUTPUT/BUZZER OUTPUT CONTROLLER............................................... 366
10.1 Functions of Clock Output/Buzzer Output Controller .......................................................... 366
10.2 Configuration of Clock Output/Buzzer Output Controller.................................................... 367
10.3 Registers Controlling Clock Output/Buzzer Output Controller ........................................... 367
10.4 Operations of Clock Output/Buzzer Output Controller ........................................................ 369
10.4.1 Operation as output pin .................................................................................................................369
CHAPTER 11 A/D CONVERTER ......................................................................................................... 370
11.1 Function of A/D Converter....................................................................................................... 370
11.2 Configuration of A/D Converter .............................................................................................. 371
11.3 Registers Used in A/D Converter............................................................................................ 373
11.4 A/D Converter Operations ....................................................................................................... 382
11.4.1 Basic operations of A/D converter .................................................................................................382
11.4.2 Input voltage and conversion results .............................................................................................384
11.4.3 A/D converter operation mode ......................................................................................................385
11.5 Temperature Sensor Function (Expanded-Specification Products (
μPD78F117xA) Only)..... 387
11.5.1 Configuration of temperature sensor .............................................................................................387
11.5.2 Registers used by temperature sensors........................................................................................388
11.5.3 Temperature sensor operation ......................................................................................................390
11.5.4 Procedures for using temperature sensors ...................................................................................392
11.6 How to Read A/D Converter Characteristics Table............................................................... 395
11.7 Cautions for A/D Converter ..................................................................................................... 397
CHAPTER 12 D/A CONVERTER ......................................................................................................... 402
12.1 Function of D/A Converter....................................................................................................... 402
12.2 Configuration of D/A Converter .............................................................................................. 402
12.3 Registers Used in D/A Converter............................................................................................ 404
12.4 Operation of D/A Converter..................................................................................................... 407
12.4.1 Operation in normal mode.............................................................................................................407
12.4.2 Operation in real-time output mode ...............................................................................................408
12.4.3 Cautions ........................................................................................................................................409