| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an error detection/correction circuit capable of efficient error correction, a semiconductor memory controller provided therewith, and an error correction method. <P>SOLUTION: The error detection/correction circuit 3 includes a syndrome calculation circuit 7 for calculating a syndrome of received information including an input error correction code; a polynomial derivation circuit 8 for deriving an error position polynomial; a Chien search circuit 9 for finding an error position of the received information; and an error correction circuit 10 for correcting an error of the received information, in which every time the Chien search circuit 9 specifies the error position, the error correction circuit 10 corrects the error of the received information in the specified error position, then outputs the corrected information. <P>COPYRIGHT: (C)2009,JPO&INPIT |
