Macom Technology Solutions Holdings, Inc.

Rajiv Shukla

Bengt Littmann

Dianyong Chen

A combined error checker and sequence generator which shares a LFSR is disclosed which reduces complexity, cost, and area required for implementation while also improving timing margin. A clock and data recovery system recovers a data signal received over a channel from a remote transceiver. Control logic selects different modes of operation of the system. An error detector compares the two sequence signals and records errors in response to differences between the two sequence signals. A sequence generator generates a sequence signal for use by the error detector as a reference sequence signal or for transmission to a remote transceiver. The system includes one or more switching elements configured to selectively route the generated sequence as feedback into the sequence generator or the received sequence signal into the sequence generator subject to whether the combined error checker and sequence generator is in error checker mode or sequence generator mode.

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Lowell, MA, United States of America

Rajiv Shukla