HD6432142 datasheet(38/1177 Pages) RENESAS

38 / 1177 page

Rev. 4.00 Sep 27, 2006 page xxxviii of xliv

21.3

Operation .......................................................................................................................... 637

21.3.1 Expanded Mode (Modes 1, 2, 3 (EXPE = 1)) ...................................................... 637

21.3.2 Single-Chip Mode (Modes 2 and 3 (EXPE = 0)) ................................................. 637

Section 22 ROM (Mask ROM Version, H8S/2148 F-ZTAT,

H8S/2147N F-ZTAT, H8S/2144 F-ZTAT,

and H8S/2142 F-ZTAT)............................................................................... 639

22.1

Overview........................................................................................................................... 639

22.1.1 Block Diagram ..................................................................................................... 639

22.1.2 Register Configuration......................................................................................... 640

22.2

Register Descriptions ........................................................................................................ 640

22.2.1 Mode Control Register (MDCR) ......................................................................... 640

22.3

Operation .......................................................................................................................... 641

22.4

Overview of Flash Memory .............................................................................................. 642

22.4.1 Features................................................................................................................ 642

22.4.2 Block Diagram ..................................................................................................... 643

22.4.3 Flash Memory Operating Modes ......................................................................... 644

22.4.4 Pin Configuration................................................................................................. 648

22.4.5 Register Configuration......................................................................................... 648

22.5

Register Descriptions ........................................................................................................ 649

22.5.1 Flash Memory Control Register 1 (FLMCR1)..................................................... 649

22.5.2 Flash Memory Control Register 2 (FLMCR2)..................................................... 651

22.5.3 Erase Block Registers 1 and 2 (EBR1, EBR2)..................................................... 653

22.5.4 Serial/Timer Control Register (STCR) ................................................................ 654

22.6

On-Board Programming Modes........................................................................................ 655

22.6.1 Boot Mode ........................................................................................................... 656

22.6.2 User Program Mode............................................................................................. 661

22.7

Programming/Erasing Flash Memory ............................................................................... 662

22.7.1 Program Mode ..................................................................................................... 662

22.7.2 Program-Verify Mode.......................................................................................... 663

22.7.3 Erase Mode .......................................................................................................... 665

22.7.4 Erase-Verify Mode .............................................................................................. 665

22.8

Flash Memory Protection.................................................................................................. 667

22.8.1 Hardware Protection ............................................................................................ 667

22.8.2 Software Protection.............................................................................................. 667

22.8.3 Error Protection.................................................................................................... 668

22.9

Interrupt Handling when Programming/Erasing Flash Memory....................................... 670

22.10 Flash Memory Programmer Mode .................................................................................... 671

22.10.1 Programmer Mode Setting ................................................................................... 671

22.10.2 Socket Adapters and Memory Map ..................................................................... 672

22.10.3 Programmer Mode Operation .............................................................................. 672

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