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HD6432126R Datasheet(PDF) 21 Page - Renesas Technology Corp

Part # HD6432126R
Description  Single-Chip Microcomputer
Download  843 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD6432126R Datasheet(HTML) 21 Page - Renesas Technology Corp

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19.6.2 User Program Mode .............................................................................................. 518
19.7
Programming/Erasing Flash Memory ................................................................................ 520
19.7.1 Program Mode....................................................................................................... 520
19.7.2 Program-Verify Mode ........................................................................................... 521
19.7.3 Erase Mode............................................................................................................ 523
19.7.4 Erase-Verify Mode................................................................................................ 523
19.8
Flash Memory Protection ................................................................................................... 525
19.8.1 Hardware Protection.............................................................................................. 525
19.8.2 Software Protection ............................................................................................... 525
19.8.3 Error Protection ..................................................................................................... 526
19.9
Interrupt Handling when Programming/Erasing Flash Memory........................................ 527
19.10 Flash Memory Writer Mode ............................................................................................... 528
19.10.1 PROM Mode Setting............................................................................................ 528
19.10.2 Socket Adapters and Memory Map ..................................................................... 529
19.10.3 Writer Mode Operation........................................................................................ 529
19.10.4 Memory Read Mode ............................................................................................ 531
19.10.5 Auto-Program Mode ............................................................................................ 534
19.10.6 Auto-Erase Mode ................................................................................................. 535
19.10.7 Status Read Mode ................................................................................................ 536
19.10.8 Status Polling ....................................................................................................... 538
19.10.9 Writer Mode Transition Time.............................................................................. 538
19.10.10 Notes On Memory Programming......................................................................... 539
19.11 Flash Memory Programming and Erasing Precautions...................................................... 539
19.12 Note on Switching from F-ZTAT Version to Mask ROM Version ................................... 540
Section 20 Clock Pulse Generator ................................................................................... 543
20.1
Overview ............................................................................................................................ 543
20.1.1 Block Diagram ...................................................................................................... 543
20.1.2 Register Configuration .......................................................................................... 543
20.2
Register Descriptions.......................................................................................................... 544
20.2.1 Standby Control Register (SBYCR) ..................................................................... 544
20.2.2 Low-Power Control Register (LPWRCR) ............................................................ 545
20.3
Oscillator ............................................................................................................................ 545
20.3.1 Connecting a Crystal Resonator............................................................................ 545
20.3.2 External Clock Input ............................................................................................. 547
20.4
Duty Adjustment Circuit .................................................................................................... 550
20.5
Medium-Speed Clock Divider............................................................................................ 550
20.6
Bus Master Clock Selection Circuit ................................................................................... 550
20.7
Subclock Input Circuit........................................................................................................ 550
20.8
Subclock Waveform Shaping Circuit ................................................................................. 551
20.9
Clock Selection Circuit ...................................................................................................... 551


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