Patent ID: 6243845
Filing Date: 2001-06-05
Classification: G11B,H03M

Abstract:
A code error correcting and detecting apparatus for performing error correction and error detection on plural blocks of digital data using an error correction code and an error detection code to generate processed digital data, comprising:an input interface for fetching digital data in a block by block manner;a temporary memory for storing said fetched digital data in a block by block manner;a correcting circuit for performing error correction on digital data read from said temporary memory in a block by block manner using said error correction code and rewriting erroneous digital data to said temporary memory with error corrected digital data;a detecting circuit for performing error detection on the error corrected digital data and supplied from said temporary memory in a block by block manner using said error detection code, and setting an error flag based on a detection result;a principal memory for storing, in a block by block manner, said error corrected digital data supplied to said detecting circuit from said temporary memory; andan output interface for transferring said error corrected digital data stored in said principal memory to an external unit.