Method for controlling memory card and method for controlling nonvolatile semiconductor memory

A method for controlling a memory card which includes a nonvolatile semiconductor memory whose memory area includes a plurality of write areas is disclosed. A first area which is a part of the plurality of write areas is set in accordance with management executed by a first file system. The first fi...

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Bibliographic Details
Main Authors SAKAMOTO HIROYUKI, ITO TAKAFUMI
Format Patent
LanguageEnglish
Published 22.11.2011
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:A method for controlling a memory card which includes a nonvolatile semiconductor memory whose memory area includes a plurality of write areas is disclosed. A first area which is a part of the plurality of write areas is set in accordance with management executed by a first file system. The first file system sequentially writes data along a direction in which addresses of the plurality of write areas increase. A second area which is a part of the plurality of write areas is set in accordance with management executed by a second file system. The second file system writes data in an order which does not depend on the addresses.
Bibliography:Application Number: US20100813164