DATA READING METHOD, MEMORY CONTROL CIRCUIT UNIT AND MEMORY STORAGE APPARATUS

A data reading method for a rewritable non-volatile memory module is provided. The method includes performing an error correction decoding operation on an user data stream according to an error checking and correcting (ECC) code to generate a first decoded data stream; searching uncorrectable sub-da...

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Main Authors Wang Tien-Ching, Lai Kuo-Hsin, Lin Wei
Format Patent
LanguageEnglish
Published 15.06.2017
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
INFORMATION STORAGE
PHYSICS
STATIC STORES
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Abstract A data reading method for a rewritable non-volatile memory module is provided. The method includes performing an error correction decoding operation on an user data stream according to an error checking and correcting (ECC) code to generate a first decoded data stream; searching uncorrectable sub-data units from decoded sub-data units of the first decoded data stream; selecting a target sub-data unit from the uncorrectable sub-data units; adjusting the target sub-data unit in the first decoded data stream to generate an adjusted user data stream; and re-performing the error correction decoding operation on the adjusted user data stream to generate a second decoded data stream; if the second decoded data stream has no error bit, transmitting the second decoded data stream as a corrected data stream to a host system.
AbstractList A data reading method for a rewritable non-volatile memory module is provided. The method includes performing an error correction decoding operation on an user data stream according to an error checking and correcting (ECC) code to generate a first decoded data stream; searching uncorrectable sub-data units from decoded sub-data units of the first decoded data stream; selecting a target sub-data unit from the uncorrectable sub-data units; adjusting the target sub-data unit in the first decoded data stream to generate an adjusted user data stream; and re-performing the error correction decoding operation on the adjusted user data stream to generate a second decoded data stream; if the second decoded data stream has no error bit, transmitting the second decoded data stream as a corrected data stream to a host system.
Author Lin Wei
Wang Tien-Ching
Lai Kuo-Hsin
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Snippet A data reading method for a rewritable non-volatile memory module is provided. The method includes performing an error correction decoding operation on an user...
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SubjectTerms CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
INFORMATION STORAGE
PHYSICS
STATIC STORES
Title DATA READING METHOD, MEMORY CONTROL CIRCUIT UNIT AND MEMORY STORAGE APPARATUS
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