Nand Flash ECC algorighm

最新推荐文章于 2022-10-23 14:58:14 发布

原创最新推荐文章于 2022-10-23 14:58:14 发布 · 699 阅读

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本文详细介绍了三种纠错码ECC（Hamming、Reed-Solomon、BCH）的算法原理、特点及应用场景，重点突出Reed-Solomon在现代控制器中的广泛应用，以及BCH算法因其效率优势正在成为流行趋势。

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目前有3种ECC算法：

ECC algorithm correction strength (number of bit errors that can be corrected) depends on the ECC algorithm used

to correct the errors (these algorithms may be implemented in either hardware or software). Simple Hamming

codes can only correct single bit errors. Reed-Solomon code can correct more errors and is used on many of
the current controllers. BCH (Bose, Ray-Chaudhuri, Hocquenghem) codes can also correct multiple bit errors
and are becoming popular because of their improved efficiency over Reed-Solomon.