Hybrid density memory system and control method thereof
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United States of America Patent
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Issued Date -
Apr 1, 2010
app pub date -
Feb 26, 2009
filing date -
Oct 1, 2008
priority date (Note) -
Abandoned
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Abstract
A control method of a memory system for accessing an updated data between a host and the memory system is provided. The host has storage space which is divided into a plurality of logical segments to access the data. The system includes a high density memory and a low density memory, and the high density memory includes a plurality of physical segments to access the data. The control method includes the following steps: first, providing a LDM table in the memory system to indicate the allocation information of the low density memory; finally, deciding where the data is written to is according to its properties and the LDM table.
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