Nand Flash ECC algorighm

发布时间:2016-12-11 17:51:20 编辑 分享查询网我要评论
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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.