| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To simplify data processing of a memory control part and to reduce the cost. <P>SOLUTION: A nonvolatile semiconductor memory 5 stores addresses of a usable block and an unusable block in a memory inside and is provided with an address conversion table 3, or address conversion means for converting the address based on the addresses of the usable region and unusable regions, so as not to access to the address in the unusable region. <P>COPYRIGHT: (C)2003,JPO</p> |
