SH7145 datasheet(21/930 Pages) RENESAS

21 / 930 page

Rev.4.00 Mar. 27, 2008, Page xxi of xliv

REJ09B0108-0400

19.6.2 Programming/Erasing in User Program Mode..................................................... 673

19.7

Flash Memory Emulation in RAM.................................................................................... 674

19.8

Flash Memory Programming/Erasing ............................................................................... 676

19.8.1 Program/Program-Verify Mode ........................................................................... 676

19.8.2 Erase/Erase-Verify Mode..................................................................................... 678

19.8.3 Interrupt Handling when Programming/Erasing Flash Memory.......................... 678

19.9

Program/Erase Protection.................................................................................................. 680

19.9.1 Hardware Protection ............................................................................................ 680

19.9.2 Software Protection.............................................................................................. 681

19.9.3 Error Protection.................................................................................................... 681

19.10 PROM Programmer Mode ................................................................................................ 682

19.11 Usage Note........................................................................................................................ 682

19.11.1 Module Standby Mode Setting............................................................................. 682

19.11.2 Notes when Converting the F-ZTAT Versions to the Masked-ROM

Versions ............................................................................................................... 682

19.11.3 Notes on Flash Memory Programming and Erasing ............................................ 683

Section 20 Mask ROM...................................................................................... 689

20.1

Usage Note........................................................................................................................ 689

Section 21 RAM ............................................................................................... 691

21.1

Usage Note........................................................................................................................ 691

Section 22 User Debugging Interface (H-UDI) ................................................ 693

22.1

Overview........................................................................................................................... 693

22.1.1 Features................................................................................................................ 693

22.1.2 Block Diagram ..................................................................................................... 694

22.2

Input/Output Pins .............................................................................................................. 695

22.3

Register Description.......................................................................................................... 696

22.3.1 Instruction Register (SDIR) ................................................................................. 697

22.3.2 Status Register (SDSR)........................................................................................ 698

22.3.3 Data Register (SDDR) ......................................................................................... 699

22.3.4 Bypass Register (SDBPR) ................................................................................... 699

22.4

Operation........................................................................................................................... 700

22.4.1 H-UDI Interrupt ................................................................................................... 700

22.4.2 Bypass Mode........................................................................................................ 703

22.4.3 H-UDI Reset ........................................................................................................ 703

22.5

Usage Notes ...................................................................................................................... 704

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