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
OG exemplary drawing
 
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.