Patent ID: 7302601

Claim:
A device for synchronizing, on a reference clock signal, an exchange of data with a remote member, said device comprising: a phase comparator; a first processing unit coupled to an output of the phase comparator; a main variable delay line controlled by the first processing unit so as to generate a delayed clock signal for transmission to the remote member, one input of the main variable delay line receiving the reference clock signal; a first terminal for receiving a clock signal image received by the remote member; a first auxiliary variable delay line having one input coupled to the first terminal, and one output coupled to a first input of the phase comparator; a second auxiliary variable delay line having one input coupled to the input of the main variable delay line, and one output coupled to a second input of the phase comparator; and a second processing unit controlling the first and second auxiliary variable delay lines so that the signal image received by the remote member is offset with respect to the reference clock signal, by a phase suitable for synchronizing the exchange of data on the reference clock signal.