HD6432345 Datasheet, PDF (17/907 Pages) Hitachi Semiconductor – H8S/2345 F-ZTAT Hardware Manual

16.2 Register Descriptions......................................................................................................... 535
16.2.1 System Control Register (SYSCR) ...................................................................... 535
16.3 Operation ........................................................................................................................... 535
16.4 Usage Note ........................................................................................................................ 535
Section 17 ROM ................................................................................................................... 537
17.1 Overview .............................................................................................................................. 537
17.1.1 Block Diagram........................................................................................................ 537
17.1.2 Register Configuration............................................................................................ 538
17.2 Register Descriptions............................................................................................................ 538
17.2.1 Mode Control Register (MDCR)............................................................................ 538
17.2.2 Bus Control Register L (BCRL) ............................................................................. 539
17.3 Operation .............................................................................................................................. 539
17.4 PROM Mode ........................................................................................................................ 542
17.4.1 PROM Mode Setting .............................................................................................. 542
17.4.2 Socket Adapter and Memory Map.......................................................................... 542
17.5 Programming........................................................................................................................ 545
17.5.1 Overview ................................................................................................................ 545
17.5.2 Programming and Verification ............................................................................... 545
17.5.3 Programming Precautions ...................................................................................... 549
17.5.4 Reliability of Programmed Data............................................................................. 550
17.6 Overview of Flash Memory.................................................................................................. 551
17.6.1 Features................................................................................................................... 551
17.6.2 Block Diagram........................................................................................................ 552
17.6.3 Flash Memory Operating Modes............................................................................ 553
17.6.4 Pin Configuration.................................................................................................... 558
17.6.5 Register Configuration............................................................................................ 559
17.7 Register Descriptions............................................................................................................ 560
17.7.1 Flash Memory Control Register 1 (FLMCR1) ....................................................... 560
17.7.2 Flash Memory Control Register 2 (FLMCR2) ....................................................... 563
17.7.3 Erase Block Registers 1 and 2 (EBR1, EBR2) ....................................................... 564
17.7.4 System Control Register 2 (SYSCR2).................................................................... 565
17.7.5 RAM Emulation Register (RAMER) ..................................................................... 566
17.8 On-Board Programming Modes ........................................................................................... 568
17.8.1 Boot Mode .............................................................................................................. 569
17.8.2 User Program Mode................................................................................................ 573
17.9 Programming/Erasing Flash Memory .................................................................................. 575
17.9.1 Program Mode — Preliminary — .......................................................................... 576
17.9.2 Program-Verify Mode — Preliminary — .............................................................. 577
17.9.3 Erase Mode — Preliminary — ............................................................................... 579
17.9.4 Erase-Verify Mode — Preliminary — ................................................................... 579
17.10 Flash Memory Protection ................................................................................................... 581
17.10.1 Hardware Protection ............................................................................................. 581
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