Memory controller, flash memory system with memory controller, and control method of flash memory
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United States of America Patent
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Aug 7, 2012
Grant Date -
Apr 2, 2009
app pub date -
Sep 26, 2008
filing date -
Sep 27, 2007
priority date (Note) -
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Abstract
The memory controller updates a count number based on a new assignment of a logical block to a physical block, and writes count information in the physical block to which the logical block is newly assigned. The count information is defined by the count number. The memory controller decides, based on the count number and the count information stored in each physical block, whether or not to transfer stored data in a physical block to another physical block.
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