H83069RF datasheet(20/1003 Pages) RENESAS

20 / 1003 page

Rev. 5.0, 09/04, page xvi of xviii

18.8.1 Usage Notes ......................................................................................................... 636

18.9

PROM Mode ..................................................................................................................... 637

18.9.1 Pin Arrangement of the Socket Adapter .............................................................. 637

18.9.2 PROM Mode Operation ....................................................................................... 639

18.9.3 Memory-Read Mode............................................................................................ 640

18.9.4 Auto-Program Mode ............................................................................................ 641

18.9.5 Auto-Erase Mode ................................................................................................. 641

18.9.6 Status-Read Mode................................................................................................ 642

18.9.7 Status Polling ....................................................................................................... 642

18.9.8 Time Taken in Transition to PROM Mode .......................................................... 643

18.9.9 Notes on Using PROM Mode .............................................................................. 643

18.10 Further Information........................................................................................................... 644

18.10.1 Serial Communication Interface Specification for Boot Mode............................ 644

18.10.2 AC Characteristics and Timing in Writer Mode .................................................. 670

18.10.3 Procedure Program and Storable Area for Programming Data............................ 676

Section 19 Clock Pulse Generator .....................................................................687

19.1

Overview........................................................................................................................... 687

19.1.1 Block Diagram ..................................................................................................... 687

19.2

Oscillator Circuit............................................................................................................... 688

19.2.1 Connecting a Crystal Resonator........................................................................... 688

19.2.2 External Clock Input ............................................................................................ 690

19.3

Duty Adjustment Circuit ................................................................................................... 692

19.4

Prescalers .......................................................................................................................... 692

19.5

Frequency Divider ............................................................................................................ 692

19.5.1 Register Configuration......................................................................................... 693

19.5.2 Division Control Register (DIVCR) .................................................................... 693

19.5.3 Usage Notes ......................................................................................................... 694

Section 20 Power-Down State ...........................................................................695

20.1

Overview........................................................................................................................... 695

20.2

Register Configuration ...................................................................................................... 697

20.2.1 System Control Register (SYSCR) ...................................................................... 697

20.2.2 Module Standby Control Register H (MSTCRH)................................................ 699

20.2.3 Module Standby Control Register L (MSTCRL)................................................. 700

20.3

Sleep Mode ....................................................................................................................... 702

20.3.1 Transition to Sleep Mode..................................................................................... 702

20.3.2 Exit from Sleep Mode.......................................................................................... 702

20.4

Software Standby Mode.................................................................................................... 703

20.4.1 Transition to Software Standby Mode ................................................................. 703

20.4.2 Exit from Software Standby Mode ...................................................................... 703

20.4.3 Selection of Waiting Time for Exit from Software Standby Mode ..................... 704

20.4.4 Sample Application of Software Standby Mode.................................................. 705

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