| US 7,404,031 B2 | ||
| Memory card, nonvolatile semiconductor memory, and method of controlling semiconductor memory | ||
| Takashi Oshima, Chiba (Japan) | ||
| Assigned to Kabushiki Kaisha Toshiba, Tokyo (Japan) | ||
| Filed on Aug. 02, 2006, as Appl. No. 11/497,248. | ||
| Application 11/497248 is a continuation of application No. PCT/JP2005/013894, filed on Jul. 22, 2005. | ||
| Claims priority of application No. 2004-216361 (JP), filed on Jul. 23, 2004. | ||
| Prior Publication US 2006/0271729 A1, Nov. 30, 2006 | ||
| Int. Cl. G06F 12/00 (2006.01) | ||
| U.S. Cl. 711—103 [711/115; 711/154; 711/170; 711/173; 235/492] | 14 Claims |

| 1. A nonvolatile semiconductor memory comprising:
a storage area including of a plurality of data blocks and a management block which stores management information related
to a storage medium in a lump; and
the storage area being divided into a plurality of areas and each area having a data block containing a particular page which
stores information indicating whether or not the management block is present in the area.
|