H8SSLASH2214 datasheet(41/936 Pages) RENESAS

41 / 936 page

Rev.4.00 Sep. 18, 2008 Page xli of lx

REJ09B0189-0400

14.4

Usage Note......................................................................................................................... 541

Section 15 ROM ............................................................................................... 543

15.1

Overview............................................................................................................................ 543

15.1.1 Block Diagram ...................................................................................................... 543

15.1.2 Register Configuration.......................................................................................... 544

15.2

Register Descriptions ......................................................................................................... 544

15.2.1 Mode Control Register (MDCR) .......................................................................... 544

15.3

Operation............................................................................................................................ 545

15.4

Overview of Flash Memory ............................................................................................... 546

15.4.1 Features ................................................................................................................. 546

15.4.2 Block Diagram ...................................................................................................... 547

15.4.3 Mode Transitions .................................................................................................. 548

15.4.4 On-Board Programming Modes............................................................................ 549

15.4.5 Flash Memory Emulation in RAM ....................................................................... 551

15.4.6 Differences between Boot Mode and User Program Mode................................... 552

15.4.7 Block Divisions..................................................................................................... 553

15.5

Pin Configuration............................................................................................................... 554

15.6

Register Configuration ....................................................................................................... 555

15.7

Register Descriptions ......................................................................................................... 556

15.7.1 Flash Memory Control Register 1 (FLMCR1)...................................................... 556

15.7.2 Flash Memory Control Register 2 (FLMCR2)...................................................... 559

15.7.3 Erase Block Register 1 (EBR1)............................................................................. 560

15.7.4 Erase Block Register 2 (EBR2)............................................................................. 560

15.7.5 RAM Emulation Register (RAMER).................................................................... 561

15.7.6 Serial Control Register X (SCRX) ........................................................................ 563

15.8

On-Board Programming Modes ......................................................................................... 564

15.8.1 Boot Mode ............................................................................................................ 564

15.8.2 User Program Mode .............................................................................................. 569

15.9

Programming/Erasing Flash Memory ................................................................................ 571

15.9.1 Program Mode ...................................................................................................... 571

15.9.2 Program-Verify Mode........................................................................................... 572

15.9.3 Erase Mode ........................................................................................................... 574

15.9.4 Erase-Verify Mode................................................................................................ 574

15.10 Protection ........................................................................................................................... 576

15.10.1 Hardware Protection ............................................................................................. 576

15.10.2 Software Protection............................................................................................... 577

15.10.3 Error Protection..................................................................................................... 578

15.11 Flash Memory Emulation in RAM..................................................................................... 580

15.12 Interrupt Handling when Programming/Erasing Flash Memory........................................ 582

15.13 Flash Memory Programmer Mode ..................................................................................... 582

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