| 摘要 |
<P>PROBLEM TO BE SOLVED: To effectively use a storage area used for a memory data protection function, also when the memory data protecting function is not being used. <P>SOLUTION: ECC code sections 105-1 to 105-8 for storing ECC codes function as storage areas for storing ECC codes for detecting or correcting errors in the data stored at data RAMs 104-1 to 104-8, when the memory data protection function is valid, and function as an additional way for the data RAMs 104-1 to 104-8 when the memory data protection function is invalid, by a mode selection signal. <P>COPYRIGHT: (C)2007,JPO&INPIT |
