Coded data generation or conversion – Digital code to digital code converters – To or from constant distance codes
Reexamination Certificate
2006-12-12
2006-12-12
Williams, Howard L. (Department: 2819)
Coded data generation or conversion
Digital code to digital code converters
To or from constant distance codes
C341S098000, C377S034000, C377S108000, C711S217000
Reexamination Certificate
active
07148825
ABSTRACT:
A data interface includes a network interface processor, a transmitter, and a receiver. The network interface processor is operably coupled to transceive parallel data via a network connection. The transmitter is operably coupled to convert outbound parallel data from the network interface processor into serial transmit data. The receiver is operably coupled to convert serial receive data into inbound parallel data, wherein the receiver provides the inbound parallel data to the network interface processor. At least one of the network interface processor, the transmitter, and the receiver includes a Gray-code counter that functions to: determine a desired Gray-code sequence length, N, that is an even whole number; determine a bus width, M, in bits, based on the desired Gray-code sequence length, to represent the generated Gray-code, wherein 2Mis greater than or equal to N; determine a set of skipped binary values based on a binary increment-decrement algorithm to obtain the non-power-of-two set of binary values; and represent the non-power-of-two set of binary values as a set of equivalent Gray-code values.
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Broadcom Corporation
Garlick & Harrison & Markison
Markison Timothy W.
Williams Howard L.
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