Digital computer having an error correction code (ECC) system wi

Details Digital computer having an error correction code (ECC) system wi Digital computer having an error correction code (ECC) system wi

1995-09-07

1997-01-28

Beausoliel, Jr., Robert W.

Excavating

371 381, 371 401, H03M 1300

Patent

active

055984223

ABSTRACT:
A digital computer system has an error correction code (ECC) syndrome encoder for generating initial ECC syndromes from digital words input to the system which are received together with their corresponding ECC syndromes, in the system receiving circuitry. The system has an ECC syndrome re-encoder for generating second ECC syndromes from the digital words as they are removed from the receiving circuitry. A comparison circuit then compares the originally encoded syndrome with the re-encoded syndrome as it is being generated, to detect whether there is a difference and therefore an error in the digital word or an error in the syndrome. The comparison circuit is integrated into and is a part of the ECC re-encoder.

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