H8S2615 datasheet(21/479 Pages) RENESAS

21 / 479 page

Rev. 2.00, 05/04, page xxi of xxxiv

14.6.1 Boot Mode ........................................................................................................... 343

14.6.2 Programming/Erasing in User Program Mode..................................................... 345

14.7

Flash Memory Emulation in RAM.................................................................................... 346

14.8

Flash Memory Programming/Erasing ............................................................................... 348

14.8.1 Program/Program-Verify ..................................................................................... 348

14.8.2 Erase/Erase-Verify ............................................................................................... 350

14.8.3 Interrupt Handling when Programming/Erasing Flash Memory.......................... 350

14.9

Program/Erase Protection.................................................................................................. 352

14.9.1 Hardware Protection ............................................................................................ 352

14.9.2 Software Protection.............................................................................................. 352

14.9.3 Error Protection.................................................................................................... 352

14.10 Programmer Mode ............................................................................................................ 353

14.11 Power-Down States for Flash Memory ............................................................................. 353

14.12 Note on Switching from F-ZTAT Version to Masked ROM Version............................... 354

Section 15 Clock Pulse Generator .................................................................................. 355

15.1

Register Descriptions ........................................................................................................ 356

15.1.1 System Clock Control Register (SCKCR) ........................................................... 356

15.1.2 Low-Power Control Register (LPWRCR) ........................................................... 357

15.2

Oscillator........................................................................................................................... 358

15.2.1 Connecting a Crystal Resonator........................................................................... 358

15.2.2 External Clock Input ............................................................................................ 359

15.3

PLL Circuit ....................................................................................................................... 361

15.4

Subclock Divider............................................................................................................... 361

15.5

Medium-Speed Clock Divider .......................................................................................... 361

15.6

Bus Master Clock Selection Circuit .................................................................................. 361

15.7

Usage Notes ...................................................................................................................... 362

15.7.1 Note on Crystal Resonator ................................................................................... 362

15.7.2 Note on Board Design.......................................................................................... 362

Section 16 Power-Down Modes...................................................................................... 365

16.1

Register Descriptions ........................................................................................................ 369

16.1.1 Standby Control Register (SBYCR) .................................................................... 369

16.1.2 Low-Power Control Register (LPWRCR) ........................................................... 371

16.1.3 Module Stop Control Registers A to C (MSTPCRA to MSTPCRC)................... 372

16.2

Medium-Speed Mode........................................................................................................ 374

16.3

Sleep Mode ....................................................................................................................... 375

16.3.1 Transition to Sleep Mode..................................................................................... 375

16.3.2 Clearing Sleep Mode............................................................................................ 375

16.4

Software Standby Mode.................................................................................................... 376

16.4.1 Transition to Software Standby Mode ................................................................. 376

16.4.2 Clearing Software Standby Mode ........................................................................ 376

H8S2615 Datasheet(PDF) 21 Page - Renesas Technology Corp

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