Methods of supporting host CRC in data storage systems...

Details Methods of supporting host CRC in data storage systems... Methods of supporting host CRC in data storage systems...

2007-06-19

2007-06-19

Decady, Albert (Department: 2133)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

C714S781000

Reexamination Certificate

active

10701271

ABSTRACT:
A communications channel that receives a user data sequence including N symbols and that supports host CRC includes a host bus interface (HBI) that generates cyclic redundancy check (CRCU) bits based on the user data sequence. A data dependent scrambler (DDS) receives the user data sequence and the CRCUbits and generates a scrambling seed. The DDS generates a scrambled user data sequence that is based on the user data sequence and the scrambling seed and generates a difference sequence.

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U.S. Appl. No. 10/423,552, filed Apr. 25, 2003, Weishi Feng.
U.S. Appl. No. 10/693,796, filed Aug. 12, 2003, Weishi Feng.

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