HD64F2144AV datasheet(39/1177 Pages) RENESAS

39 / 1177 page

Rev. 4.00 Sep 27, 2006 page xxxix of xliv

22.10.4 Memory Read Mode ............................................................................................ 673

22.10.5 Auto-Program Mode ............................................................................................ 677

22.10.6 Auto-Erase Mode ................................................................................................. 679

22.10.7 Status Read Mode ................................................................................................ 680

22.10.8 Status Polling ....................................................................................................... 681

22.10.9 Programmer Mode Transition Time .................................................................... 682

22.10.10 Notes on Memory Programming...................................................................... 683

22.11 Flash Memory Programming and Erasing Precautions ..................................................... 683

22.12 Note on Switching from F-ZTAT Version to Mask ROM Version .................................. 684

Section 23 ROM (H8S/2148 F-ZTAT A-Mask Version,

H8S/2147 F-ZTAT A-Mask Version,

H8S/2144 F-ZTAT A-Mask Version)...................................................... 685

23.1

Overview........................................................................................................................... 685

23.1.1 Block Diagram ..................................................................................................... 685

23.1.2 Register Configuration......................................................................................... 686

23.2

Register Descriptions ........................................................................................................ 686

23.2.1 Mode Control Register (MDCR) ......................................................................... 686

23.3

Operation .......................................................................................................................... 687

23.4

Overview of Flash Memory .............................................................................................. 688

23.4.1 Features................................................................................................................ 688

23.4.2 Block Diagram ..................................................................................................... 689

23.4.3 Flash Memory Operating Modes ......................................................................... 690

23.4.4 Pin Configuration................................................................................................. 694

23.4.5 Register Configuration......................................................................................... 694

23.5

Register Descriptions ........................................................................................................ 695

23.5.1 Flash Memory Control Register 1 (FLMCR1)..................................................... 695

23.5.2 Flash Memory Control Register 2 (FLMCR2)..................................................... 697

23.5.3 Erase Block Registers 1 and 2 (EBR1, EBR2)..................................................... 699

23.5.4 Serial/Timer Control Register (STCR) ................................................................ 700

23.6

On-Board Programming Modes........................................................................................ 701

23.6.1 Boot Mode ........................................................................................................... 702

23.6.2 User Program Mode............................................................................................. 707

23.7

Programming/Erasing Flash Memory ............................................................................... 708

23.7.1 Program Mode ..................................................................................................... 708

23.7.2 Program-Verify Mode.......................................................................................... 709

23.7.3 Erase Mode .......................................................................................................... 711

23.7.4 Erase-Verify Mode .............................................................................................. 711

23.8

Flash Memory Protection.................................................................................................. 713

23.8.1 Hardware Protection ............................................................................................ 713

23.8.2 Software Protection.............................................................................................. 713

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