SH7125_08 Datasheet, PDF (680/774 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family

Section 18 RAM
18.1 Usage Notes
18.1.1 Module Standby Mode Setting
RAM can be enabled/disabled by the standby control register. The initial value enables RAM
operation. RAM access is disabled by setting the module standby mode. For details, see section
19, Power-Down Modes.
18.1.2 Address Error
When an address error in write access to the on-chip RAM occurs, the contents of the on-chip
RAM may be corrupted.
18.1.3 Initial Values in RAM
After power has been supplied, initial values in RAM remain undefined until RAM is written.
Rev. 4.00 Jul. 25, 2008 Page 660 of 750
REJ09B0243-0400