Data input and output method of NAND flash memory and embedded system using the same
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United States of America Patent
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Sep 30, 2014
Grant Date -
Apr 19, 2012
app pub date -
Jan 5, 2011
filing date -
Oct 13, 2010
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Abstract
A data input method of a NAND flash memory includes: determining whether a size of a writing-requested data is less than a reference value; calculating an error correction code (ECC) for the data using a software ECC method when the data size is less than the reference value; and writing the data and the ECC to a data region of the NAND flash memory. A data output method of the NAND flash memory includes: determining whether a size of a reading-requested data is less than a reference value; reading the data and an error correction code (ECC) from the NAND flash memory; calculating an ECC for the read data using a software ECC method when the data size is less than the reference value; and performing an error detection and correction by comparing the calculated ECC and the read ECC.
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