M16CSLASH62 datasheet(10/621 Pages) RENESAS

10 / 621 page

2.10.1 Overview ............................................................................................................................ 424

2.10.2 Operation of CRC Calculation Circuit ................................................................................ 425

2.11 Watchdog Timer ....................................................................................................................... 426

2.11.1 Overview ............................................................................................................................ 426

2.11.2 Operation of Watchdog Timer ............................................................................................ 428

2.12 Address Match Interrupt ........................................................................................................... 430

2.12.1 Overview ............................................................................................................................ 430

2.12.2 Operation of Address Match Interrupt ................................................................................ 432

2.13 Key-Input Interrupt .................................................................................................................... 434

2.13.1 Overview ............................................................................................................................ 434

2.13.2 Operation of Key-Input Interrupt ........................................................................................ 436

2.14 Power Control ........................................................................................................................... 438

2.14.1 Overview ............................................................................................................................ 438

2.14.2 Stop Mode Set-Up ............................................................................................................. 443

2.14.3 Wait Mode Set-Up ............................................................................................................. 444

2.14.4 Precautions in Saving Power ............................................................................................. 445

2.15 Programmable I/O Ports ........................................................................................................... 446

2.15.1 Overview ............................................................................................................................ 446

Chapter 3 Examples of Peripheral functions Applications ________

3.1 Long-Period Timers .................................................................................................................... 456

3.2 Variable-Period Variable-Duty PWM Output ............................................................................... 460

3.3 Delayed One-Shot Output .......................................................................................................... 464

3.4 Buzzer Output ............................................................................................................................. 468

3.5 Solution for External Interrupt Pins Shortage ............................................................................. 470

3.6 Memory to Memory DMA Transfer .............................................................................................. 472

3.7 Controlling Power Using Stop Mode ........................................................................................... 476

3.8 Controling Power Using Wait Mode ............................................................................................ 480

Chapter 4 Interrupt_________________________________________

4.1 Overview of Interrupt .................................................................................................................. 486

4.1.1 Type of Interrupts ................................................................................................................. 486

4.1.2 Software Interrupts .............................................................................................................. 487

4.1.3 Hardware Interrupts ............................................................................................................. 488

4.1.4 Interrupts and Interrupt Vector Tables ................................................................................. 489

4.2 Interrupt Control .......................................................................................................................... 491

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