The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 08, 2014

Filed:

Apr. 16, 2013
Applicant:

Fujitsu Limited, Kawasaki, JP;

Inventor:

Masato Tomita, Kasugai, JP;

Assignee:

Spansion LLC, Sunnyvale, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 1/12 (2006.01); G06F 13/42 (2006.01); H04L 5/00 (2006.01); H04L 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method for synchronizing two connection nodes by a reception node of the connection nodes with a clock data recovery circuit that generates a synchronization clock from input data. The method includes performing a synchronization process to establish synchronization between the connection nodes based on the synchronization clock, performing a connection failure process when the synchronization is not established when a first time elapses after receiving the input data, correcting the clock data recovery circuit when the synchronization is not established when a second time elapses after receiving the input data, wherein the second time is shorter than the first time, and performing a resynchronization process to establish synchronization between the connection nodes based on a synchronization clock, which is generated by the clock data recovery circuit that has been corrected, before the first time elapses and after the second time elapses.


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