SH7149 datasheet(21/1022 Pages) RENESAS

21 / 1022 page

Rev. 3.00 May 17, 2007 Page xxi of xliv

19.5.2 User Program Mode.............................................................................................. 774

19.5.3 User Boot Mode.................................................................................................... 783

19.6

Protection ........................................................................................................................... 788

19.6.1 Hardware Protection ............................................................................................. 788

19.6.2 Software Protection............................................................................................... 789

19.6.3 Error Protection..................................................................................................... 789

19.7

Flash Memory Emulation in RAM .................................................................................... 791

19.8

Usage Notes ....................................................................................................................... 794

19.8.1 Switching between User MAT and User Boot MAT............................................ 794

19.8.2 Interrupts during Programming/Erasing ............................................................... 795

19.8.3 Other Notes ........................................................................................................... 798

19.9

Supplementary Information ............................................................................................... 800

19.9.1 Specifications of the Standard Serial Communications Interface

in Boot Mode ........................................................................................................ 800

19.9.2 Areas for Storage of the Procedural Program and Data for Programming............ 830

19.10 Programmer Mode ............................................................................................................. 838

Section 20 Masked ROM...................................................................................839

20.1

Usage Note......................................................................................................................... 840

20.1.1 Module Standby Mode Setting ............................................................................. 840

Section 21 RAM ................................................................................................841

21.1

Usage Notes ....................................................................................................................... 842

21.1.1 Module Standby Mode Setting ............................................................................. 842

21.1.2 Address Error........................................................................................................ 842

21.1.3 Initial Values in RAM........................................................................................... 842

Section 22 Power-Down Modes ........................................................................843

22.1

Features.............................................................................................................................. 843

22.1.1 Types of Power-Down Modes .............................................................................. 843

22.2

Input/Output Pins ...............................................................................................................845

22.3

Register Descriptions ......................................................................................................... 846

22.3.1 Standby Control Register 1 (STBCR1)................................................................. 846

22.3.2 Standby Control Register 2 (STBCR2)................................................................. 847

22.3.3 Standby Control Register 3 (STBCR3)................................................................. 848

22.3.4 Standby Control Register 4 (STBCR4)................................................................. 849

22.3.5 Standby Control Register 5 (STBCR5)................................................................. 851

22.3.6 Standby Control Register 6 (STBCR6)................................................................. 852

22.3.7 RAM Control Register (RAMCR) ........................................................................ 853

22.4

Sleep Mode ........................................................................................................................ 854

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