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Method and apparatus for synchronising multiple se

来源:知库网
专利内容由知识产权出版社提供

专利名称:Method and apparatus for synchronising

multiple serial datastreams in parallel

发明人:Joy, Andy,Ward, Richard,Surace, Giuseppe申请号:EP02255105.5申请日:20020722公开号:EP1385307B1公开日:20070328

摘要:In an integrated circuit receiving multiple serial data streams in parallel, a localclock is generated from each data stream and is synchronised with the data stream.Sometimes a data stream may have no transitions making it difficult to keep the clocksynchronised with its data. A clock channel is provided, which always has edges. A circuit isprovided for each data stream which measures the time elapsed since the data streamhad an edge. After a certain period, the phase of the local clock is nudged towards thatof the clock channel. Thereafter, the longer there are no edges on the data stream themore frequently nudges towards the phase of the clock channel are made.

申请人:TEXAS INSTRUMENTS LIMITED,TEXAS INSTRUMENTS INCORPORATED

代理机构:Legg, Cyrus James Grahame

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