High-speed long code generation with arbitrary delay

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United States of America Patent

PATENT NO 6687376
SERIAL NO

09222445

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Abstract

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A circuit is designed with a first register circuit (364) arranged to store a state matrix. A memory circuit (710) is arranged to store a plurality of addressable matrices. A control circuit (700) is coupled to receive a delay value and a clock signal. The control circuit is arranged to address a selected matrix from the plurality of addressable matrices in response to the delay value and the clock signal. A backward register circuit (420) is coupled (712) to receive the selected matrix. The backward register circuit is arranged to produce a plurality of shifted matrices from the selected matrix in response to the clock signal. A logic circuit (330-354) is coupled to receive the state matrix, the selected matrix and the plurality of shifted matrices. The logic circuit produces a logical combination of the state matrix and each of the selected matrix and the plurality of shifted matrices.

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Patent Owner(s)

Patent OwnerAddress
TEXAS INSTRUMENTS INCORPORATED12500 TI BOULEVARD MS 3999 DALLAS TX 75243

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Yamaguchi, Hirohisa Ibaraki, JP 54 1134

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