SH7124 datasheet(19/774 Pages) RENESAS

19 / 774 page

Rev. 4.00 Jul. 25, 2008 Page xix of xx

Section 18 RAM ................................................................................................659

18.1

Usage Notes ....................................................................................................................... 660

18.1.1 Module Standby Mode Setting ............................................................................. 660

18.1.2 Address Error........................................................................................................ 660

18.1.3 Initial Values in RAM........................................................................................... 660

Section 19 Power-Down Modes ........................................................................661

19.1

Features.............................................................................................................................. 661

19.1.1 Types of Power-Down Modes .............................................................................. 661

19.2

Input/Output Pins ...............................................................................................................663

19.3

Register Descriptions ......................................................................................................... 663

19.3.1 Standby Control Register 1 (STBCR1)................................................................. 664

19.3.2 Standby Control Register 2 (STBCR2)................................................................. 665

19.3.3 Standby Control Register 3 (STBCR3)................................................................. 666

19.3.4 Standby Control Register 4 (STBCR4)................................................................. 667

19.3.5 Standby Control Register 5 (STBCR5)................................................................. 668

19.3.6 Standby Control Register 6 (STBCR6)................................................................. 669

19.3.7 RAM Control Register (RAMCR)........................................................................ 670

19.4

Sleep Mode ........................................................................................................................ 671

19.4.1 Transition to Sleep Mode...................................................................................... 671

19.4.2 Canceling Sleep Mode .......................................................................................... 671

19.5

Software Standby Mode..................................................................................................... 672

19.5.1 Transition to Software Standby Mode .................................................................. 672

19.5.2 Canceling Software Standby Mode ...................................................................... 673

19.6

Module Standby Mode....................................................................................................... 674

19.6.1 Transition to Module Standby Mode .................................................................... 674

19.6.2 Canceling Module Standby Function.................................................................... 674

19.7

Usage Note......................................................................................................................... 674

19.7.1 Current Consumption while Waiting for Oscillation to be Stabilized .................. 674

19.7.2 Executing the SLEEP Instruction ......................................................................... 674

Section 20 List of Registers ...............................................................................675

20.1

20.2

Register Bit List ................................................................................................................. 684

20.3

Section 21 Electrical Characteristics .................................................................707

21.1

Absolute Maximum Ratings .............................................................................................. 707

21.2

DC Characteristics ............................................................................................................. 708

21.3

AC Characteristics ............................................................................................................. 711

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