Datasheet

Index-7
10.4.1 Controlling operation of watchdog timer ....................................................................................... 330
10.4.2 Setting overflow time of watchdog timer ....................................................................................... 331
10.4.3 Setting window open period of watchdog timer ............................................................................ 332
10.4.4 Setting watchdog timer interval interrupt ...................................................................................... 333
CHAPTER 11 A/D CONVERTER ......................................................................................................... 334
11.1 Function of A/D Converter ....................................................................................................... 334
11.2 Configuration of A/D Converter .............................................................................................. 336
11.3 Registers Used in A/D Converter ............................................................................................ 338
11.3.1 Peripheral enable register 0 (PER0) ............................................................................................. 339
11.3.2 A/D converter mode register 0 (ADM0) ........................................................................................ 340
11.3.3 A/D converter mode register 1 (ADM1) ........................................................................................ 349
11.3.4 A/D converter mode register 2 (ADM2) ........................................................................................ 350
11.3.5 10-bit A/D conversion result register (ADCR) ............................................................................... 352
11.3.6 8-bit A/D conversion result register (ADCRH) .............................................................................. 353
11.3.7 Analog input channel specification register (ADS) ........................................................................ 354
11.3.8 Conversion result comparison upper limit setting register (ADUL) ............................................... 355
11.3.9 Conversion result comparison lower limit setting register (ADLL) ................................................ 355
11.3.10 A/D test register (ADTES) .......................................................................................................... 356
11.3.11 Registers controlling port function of analog input pins .............................................................. 356
11.4 A/D Converter Conversion Operations .................................................................................. 357
11.5 Input Voltage and Conversion Results .................................................................................. 359
11.6 A/D Converter Operation Modes ............................................................................................. 360
11.6.1 Software trigger mode (sequential conversion mode) .................................................................. 360
11.6.2 Software trigger mode (one-shot conversion mode) ..................................................................... 361
11.6.3 Hardware trigger no-wait mode (sequential conversion mode) .................................................... 362
11.6.4 Hardware trigger no-wait mode (one-shot conversion mode) ....................................................... 363
11.6.5 Hardware trigger wait mode (sequential conversion mode) .......................................................... 364
11.6.6 Hardware trigger wait mode (one-shot conversion mode) ............................................................ 365
11.7 A/D Converter Setup Flowchart .............................................................................................. 366
11.7.1 Setting up software trigger mode .................................................................................................. 366
11.7.2 Setting up hardware trigger no-wait mode .................................................................................... 367
11.7.3 Setting up hardware trigger wait mode ......................................................................................... 368
11.7.4 Setup when temperature sensor output/internal reference voltage output is selected
(example for software trigger mode and one-shot conversion mode) .......................................... 369
11.7.5 Setting up test mode .................................................................................................................... 370
11.8 SNOOZE Mode Function .......................................................................................................... 371
11.9 How to Read A/D Converter Characteristics Table ............................................................... 375
11.10 Cautions for A/D Converter ................................................................................................... 377