High performance interconnect physical layer

A periodic control window is embedded in a link layer data stream to be sent over a serial data link, where the control window is configured to provide physical layer information including information for use in initiating state transitions on the data link. The link layer data can be sent during a...

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Bibliographic Details
Main Authors SHARMA DEBENDRA DAS, JUE DARREN S, SWANSON JEFFREY C, BLANKENSHIP ROBERT G, IYER VENKATRAMAN, SPAGNA FULVIO
Format Patent
LanguageEnglish
Published 21.10.2015
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:A periodic control window is embedded in a link layer data stream to be sent over a serial data link, where the control window is configured to provide physical layer information including information for use in initiating state transitions on the data link. The link layer data can be sent during a link transmitting state of the data link and the control window can interrupt the sending of flits. In one aspect, the information includes link width transition data indicating an attempt to change the number of active lanes on the link.
Bibliography:Application Number: CN201380049075