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US 10,380,046 B2Granted
High performance interconnect physical layer
AssigneeIntel Corporation
InventorsVenkatraman Iyer, Darren S. Jue, Robert G. Blankenship, Fulvio Spagna, Ashish Gupta
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Abstract
Re-initialization of a link can take place without termination of the link, where the link includes, a transmitter and a receiver are to be coupled to each lane in the number of lanes, and re-initialization of the link is to include transmission of a pre-defined sequence on each of the lanes.
Claims20
An apparatus comprising:
- a layered stack comprising physical layer logic, link layer logic, and protocol layer logic, wherein the physical layer logic is to initialize a link, wherein the link is to include a number of lanes, a transmitter and a receiver are to be coupled to each lane in the number of lanes, and re-initialization of the link is to include transmission of a predefined sequence on each of the lanes, wherein re-initialization is to be provided without termination of the link.
A method comprising:
- transmitting, over lanes of a differential serial data link, a predefined sequence to another entity connected to the data link;
- receiving an acknowledgement of predefined sequence from the other entity;
- and
- using the predefined sequence to facilitate initialization of the data link.
1 more element
An apparatus comprising:
- a layered stack comprising physical layer logic, link layer logic, and protocol layer logic, wherein the physical layer logic is to detect a predefined sequence received over a data link and determine a state of another agent based on the detection of the predefined sequence.
Dependencies are inferred from the claim text.