MEMORY MANAGEMENT METHOD AND MEMORY CONTROLLER AND MEMORY STORAGE DEVICE USING THE SAME
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United States of America Patent
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Issued Date -
Oct 17, 2013
app pub date -
Jul 16, 2012
filing date -
Apr 17, 2012
priority date (Note) -
Abandoned
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Abstract
A memory management method for a rewritable non-volatile memory module including physical unit unions is provided. The physical unit unions are at least partitioned into a data area and a second area. Logical unit union addresses are managed by a file system and would be allocated and mapped to the physical unit unions of the data area. The method includes executing a procedure if a programming error occurs when programming a third physical unit union of the second area. The procedure includes obtaining a second physical unit union mapped to a second logical unit union address from the data area and mapping the second logical unit union address to the third physical unit union. Accordingly, the lifespan of the rewritable non-volatile memory module would be prolonged by the method.
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