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Renesas H8S/2111B User Manual

Page 28

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Rev. 1.00, 05/04, page xxviii of xxxiv

Section 16 A/D Converter

Figure 16.1 Block Diagram of A/D Converter ........................................................................... 414

Figure 16.2 Example of A/D Converter Operation

(Scan Mode, Channels AN0 to AN2 Selected)....................................................... 420

Figure 16.3 A/D Conversion Timing.......................................................................................... 421

Figure 16.4 External Trigger Input Timing ................................................................................ 422

Figure 16.5 A/D Conversion Accuracy Definitions ................................................................... 424

Figure 16.6 A/D Conversion Accuracy Definitions ................................................................... 424

Figure 16.7 Example of Analog Input Circuit ............................................................................ 425

Figure 16.8 Example of Analog Input Protection Circuit........................................................... 427

Figure 16.9 Equivalent Circuit of Analog Input Pin................................................................... 427

Section 18 ROM

Figure 18.1 Block Diagram of Flash Memory............................................................................ 432

Figure 18.2 Flash Memory State Transitions.............................................................................. 433

Figure 18.3 Boot Mode............................................................................................................... 434

Figure 18.4 User Program Mode (Example) .............................................................................. 435

Figure 18.5 Flash Memory Block Configuration........................................................................ 436

Figure 18.6 On-Chip RAM Area in Boot Mode......................................................................... 444

Figure 18.7 ID Code Area .......................................................................................................... 444

Figure 18.8 Programming/Erasing Flowchart Example in User Program Mode........................ 445

Figure 18.9 Program/Program-Verify Flowchart ....................................................................... 447

Figure 18.10 Erase/Erase-Verify Flowchart ............................................................................... 449

Figure 18.11 Memory Map in Programmer Mode...................................................................... 452

Section 19 Clock Pulse Generator

Figure 19.1 Block Diagram of Clock Pulse Generator ............................................................... 455

Figure 19.2 Typical Connection to Crystal Resonator................................................................ 456

Figure 19.3 Equivalent Circuit of Crystal Resonator.................................................................. 456

Figure 19.4 Example of External Clock Input ............................................................................ 457

Figure 19.5 External Clock Input Timing................................................................................... 458

Figure 19.6 Timing of External Clock Output Stabilization Delay Time................................... 459

Figure 19.7 Subclock Input Timing............................................................................................ 460

Figure 19.8 Note on Board Design of Oscillator Circuit Section ............................................... 461

Section 20 Power-Down Modes

Figure 20.1 Mode Transition Diagram ....................................................................................... 468

Figure 20.2 Medium-Speed Mode Timing ................................................................................. 470

Figure 20.3 Application Example in Software Standby Mode ................................................... 472

Figure 20.4 Hardware Standby Mode Timing ............................................................................ 473

Section 22 Electrical Characteristics

Figure 22.1 Darlington Pair Drive Circuit (Example) ................................................................ 518

Figure 22.2 LED Drive Circuit (Example) ................................................................................. 519

Figure 22.3 Output Load Circuit ................................................................................................ 520

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