Decoding method, memory storage device and memory control circuit unit
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United States of America Patent
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Jun 18, 2019
Grant Date -
Apr 18, 2019
app pub date -
Dec 5, 2017
filing date -
Oct 12, 2017
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Abstract
A decoding method is provided according to an exemplary embodiment of the invention. The decoding method includes: reading a data set from at least two physical units of a rewritable non-volatile memory module by using at least one read voltage level; performing a first-type decoding operation for first data by using the data set and recording decoding information of the first-type decoding operation if the data set conforms to a default condition; adjusting reliability information corresponding to the first data according to the recorded decoding information, and the reliability information is not used in the first-type decoding operation, and the adjusted reliability information is different from default reliability information corresponding to the first data; and performing a second-type decoding operation for the first data according to the adjusted reliability information.
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