Patent ID: 7246022

Claim:
A method comprising: detecting a change in temperature in a first integrated circuit that is coupled to a differential communication link, said differential communication link also coupled to a second integrated circuit to allow exchange of data between the first and second integrated circuits; responding to said detected change in temperature by initiating a retraining process for said differential communication link; and performing the initiated retraining process; wherein the retraining process includes first retraining logic that is part of the first integrated circuit interacting with a first phase interpolator to adjust a phase of a clock signal output from the first phase interpolator, the first phase interpolator being part of the first integrated circuit, the retraining process further including second retraining logic that is part of the second integrated circuit interacting with a second phase interpolator to adjust a phase of a clock signal output from the second phase interpolator, the second phase interpolator being part of the second integrated circuit.