Valid data merging method, memory controller and memory storage apparatus
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United States of America Patent
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Jan 30, 2018
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N/A
app pub date -
Oct 1, 2015
filing date -
Aug 7, 2015
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Abstract
A valid data merging method, a memory controller and a memory storage apparatus are provided. The method includes: selecting a first physical erasing unit, and loading a first logical address-physical address mapping table according to a physical address-logical address mapping table. The method also includes: updating the first logical address-physical address mapping table according to the physical address-logical address mapping table, and identifying valid data in the first physical erasing unit according to the physical address-logical address mapping table and the first logical address-physical address mapping table. The method further includes: storing the first logical address-physical address mapping table, copying the valid data to a second physical erasing unit, and performing an erasing operation for the first physical erasing unit.
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