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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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HD6473048 датащи(PDF) 13 Page - Hitachi Semiconductor |
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HD6473048 датащи(HTML) 13 Page - Hitachi Semiconductor |
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13 / 867 page  18.4.1 Flash Memory Operation ................................................................................ 569 18.4.2 Mode Programming and Flash Memory Address Space ................................ 570 18.4.3 Features........................................................................................................... 570 18.4.4 Block Diagram................................................................................................ 572 18.4.5 Input/Output Pins............................................................................................ 573 18.4.6 Register Configuration.................................................................................... 573 18.5 Flash Memory Register Descriptions ............................................................................. 574 18.5.1 Flash Memory Control Register ..................................................................... 574 18.5.2 Erase Block Register 1.................................................................................... 577 18.5.3 Erase Block Register 2.................................................................................... 578 18.5.4 RAM Control Register (RAMCR).................................................................. 580 18.6 On-Board Programming Modes ..................................................................................... 582 18.6.1 Boot Mode ...................................................................................................... 582 18.6.2 User Program Mode........................................................................................ 587 18.7 Programming and Erasing Flash Memory ...................................................................... 589 18.7.1 Program Mode ................................................................................................ 590 18.7.2 Program-Verify Mode ..................................................................................... 590 18.7.3 Programming Flowchart and Sample Program............................................... 591 18.7.4 Erase Mode ..................................................................................................... 593 18.7.5 Erase-Verify Mode.......................................................................................... 594 18.7.6 Erasing Flowchart and Sample Program ........................................................ 595 18.7.7 Prewrite-Verify Mode ..................................................................................... 607 18.7.8 Protect Modes ................................................................................................. 607 18.7.9 NMI Input Masking ........................................................................................ 610 18.8 Flash Memory Emulation by RAM ................................................................................ 611 18.9 PROM Mode................................................................................................................... 613 18.9.1 PROM Mode Setting ...................................................................................... 613 18.9.2 Socket Adapter and Memory Map.................................................................. 614 18.9.3 Operation in PROM Mode.............................................................................. 616 18.10 Flash Memory Programming and Erasing Precautions .................................................. 624 Section 19 Clock Pulse Generator............................................................................. 633 19.1 Overview......................................................................................................................... 633 19.1.1 Block Diagram................................................................................................ 633 19.2 Oscillator Circuit ............................................................................................................ 634 19.2.1 Connecting a Crystal Resonator ..................................................................... 634 19.2.2 External Clock Input....................................................................................... 636 19.3 Duty Adjustment Circuit................................................................................................. 639 19.4 Prescalers ........................................................................................................................ 639 19.5 Frequency Divider .......................................................................................................... 639 19.5.1 Register Configuration.................................................................................... 639 |
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