SH7052 datasheet(23/919 Pages) RENESAS

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21.2.1 Block Diagram...................................................................................................... 738

21.2.2 Mode Transitions.................................................................................................. 739

21.2.3 On-Board Programming Modes ........................................................................... 740

21.2.4 Flash Memory Emulation in RAM....................................................................... 742

21.2.5 Differences between Boot Mode and User Program Mode.................................. 743

21.2.6 Block Configuration ............................................................................................. 744

21.3

Pin Configuration .............................................................................................................. 744

21.4

Register Configuration ...................................................................................................... 745

21.5

Register Descriptions......................................................................................................... 746

21.5.1 Flash Memory Control Register 1 (FLMCR1) ..................................................... 746

21.5.2 Flash Memory Control Register 2 (FLMCR2) ..................................................... 748

21.5.3 Erase Block Register 1 (EBR1)............................................................................ 749

21.5.4 Erase Block Register 2 (EBR2)............................................................................ 749

21.5.5 RAM Emulation Register (RAMER) ................................................................... 751

21.6

On-Board Programming Modes ........................................................................................ 753

21.6.1 Boot Mode............................................................................................................ 753

21.6.2 User Program Mode ............................................................................................. 758

21.7

Programming/Erasing Flash Memory................................................................................ 759

21.7.1 Program Mode...................................................................................................... 759

21.7.2 Program-Verify Mode .......................................................................................... 760

21.7.3 Erase Mode ........................................................................................................... 763

21.7.4 Erase-Verify Mode ............................................................................................... 764

21.8

Protection........................................................................................................................... 767

21.8.1 Hardware Protection ............................................................................................. 767

21.8.2 Software Protection .............................................................................................. 768

21.8.3 Error Protection .................................................................................................... 768

21.9

Flash Memory Emulation in RAM.................................................................................... 770

21.10 Note on Flash Memory Programming/Erasing.................................................................. 772

21.11 Flash Memory Programmer Mode .................................................................................... 772

21.11.1 Socket Adapter Pin Correspondence Diagram ..................................................... 773

21.11.2 Programmer Mode Operation............................................................................... 775

21.11.3 Memory Read Mode............................................................................................. 776

21.11.4 Auto-Program Mode ............................................................................................ 779

21.11.5 Auto-Erase Mode.................................................................................................. 781

21.11.6 Status Read Mode................................................................................................. 783

21.11.7 Status Polling........................................................................................................ 784

21.11.8 Programmer Mode Transition Time ..................................................................... 784

21.11.9 Notes on Memory Programming.......................................................................... 785

Section 22 RAM ................................................................................................................... 787

22.1

Overview............................................................................................................................ 787

22.2

Operation ........................................................................................................................... 789

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