H8S2245 datasheet(40/818 Pages) RENESAS

40 / 818 page

Rev.3.00 Mar. 26, 2007 Page xl of xlii

REJ09B0355-0300

17.3.1 Connecting a Crystal Resonator........................................................................... 546

17.3.2 External Clock Input ............................................................................................ 548

17.4

Duty Adjustment Circuit................................................................................................... 553

17.5

Medium-Speed Clock Divider .......................................................................................... 553

17.6

Bus Master Clock Selection Circuit .................................................................................. 553

17.7

Note on Crystal Resonator ................................................................................................ 553

Section 18 Power-Down Modes...................................................................................... 555

18.1

Overview........................................................................................................................... 555

18.1.1 Register Configuration......................................................................................... 556

18.2

Register Descriptions ........................................................................................................ 557

18.2.1 Standby Control Register (SBYCR) .................................................................... 557

18.2.2 System Clock Control Register (SCKCR) ........................................................... 558

18.2.3 Module Stop Control Register (MSTPCR) .......................................................... 559

18.3

Medium-Speed Mode........................................................................................................ 560

18.4

Sleep Mode ....................................................................................................................... 561

18.5

Module Stop Mode ........................................................................................................... 562

18.5.1 Module Stop Mode .............................................................................................. 562

18.5.2 Usage Notes ......................................................................................................... 563

18.6

Software Standby Mode.................................................................................................... 564

18.6.1 Software Standby Mode....................................................................................... 564

18.6.2 Clearing Software Standby Mode ........................................................................ 564

18.6.3 Setting Oscillation Stabilization Time after Clearing Software Standby Mode... 565

18.6.4 Software Standby Mode Application Example.................................................... 565

18.6.5 Usage Notes ......................................................................................................... 566

18.7

Hardware Standby Mode .................................................................................................. 567

18.7.1 Hardware Standby Mode ..................................................................................... 567

18.7.2 Hardware Standby Mode Timing......................................................................... 567

18.8

φ Clock Output Disabling Function .................................................................................. 568

Section 19 Electrical Characteristics.............................................................................. 569

19.1

Absolute Maximum Ratings ............................................................................................. 569

19.2

Power Supply Voltage and Operating Frequency Ranges ................................................ 570

19.3

DC Characteristics ............................................................................................................ 572

19.4

AC Characteristics ............................................................................................................ 579

19.4.1 Clock Timing ....................................................................................................... 580

19.4.2 Control Signal Timing ......................................................................................... 582

19.4.3 Bus Timing .......................................................................................................... 584

19.4.4 Timing of On-Chip Supporting Modules............................................................. 592

19.5

A/D Conversion Characteristics........................................................................................ 597

19.6

Usage Notes ...................................................................................................................... 598

H8S2245 数据表(PDF) 40 Page - Renesas Technology Corp

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