Interfacing systems operating through a logical address space and on a direct data file basis
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United States of America Patent
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Jan 20, 2009
Grant Date -
Feb 8, 2007
app pub date -
Aug 3, 2005
filing date -
Aug 3, 2005
priority date (Note) -
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Abstract
A re-programmable non-volatile semiconductor memory, such as flash memory, operates to store files with logical addresses including a unique file identifier and offsets of data within the file, termed direct data file storage. Data files generated by a host may be stored directly in such a memory through a file interface. But if a traditional host/memory interface using a continuous logical address space is being used to identify multiple files, the address space is divided into contiguous logical files, and then these files are treated in the same manner as files obtained directly from a host. Both types of interfaces may be included in the same memory system.
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