Compression and decompression of configuration data for...

Details Compression and decompression of configuration data for... Compression and decompression of configuration data for...

2007-07-17

2008-11-04

JeanPierre, Peguy (Department: 2819)

Coded data generation or conversion

Digital code to digital code converters

Adaptive coding

C341S065000, C341S067000

Reexamination Certificate

active

07446679

ABSTRACT:
Various approaches are disclosed to provide improved compression and decompression of configuration data for use with programmable logic devices (PLDs). Uncompressed configuration data may comprise a plurality of rows. In accordance with one embodiment, a method of converting the uncompressed configuration data into compressed configuration data includes encoding a row of configuration data comprising only bulk erase bytes into a first bit pattern within a fixed length header. The method also includes encoding a number of continuous bulk erase bytes of configuration data in a row that includes more than bulk erase bytes into a second bit pattern within the fixed length header. The method further includes encoding at least a portion of a row of configuration data according to a Lempel-Ziv (LZ) compression process into a third bit pattern within the fixed length header.

REFERENCES:
patent: 5608396 (1997-03-01), Cheng et al.
patent: 5872529 (1999-02-01), Mejia
patent: 6127953 (2000-10-01), Manzardo
patent: 6744388 (2004-06-01), Khu
patent: 7109895 (2006-09-01), Langhammer
U.S. Appl. No. 11/054,855, Ma et al.
U.S. Appl. No. 11/054,750, Wicker.
U.S. Appl. No. 11/533,188, Chen.
Run-length encoding, http://en.wikipedia.org/wiki/Run-length—encoding, 3 pages, Jun. 30, 2007.
LZ77 and LZ78, http://en.wikipedia.org/wiki/LZ77, 3 pages, Jun. 30, 2007.

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