Method and device for improving synchronization in a communications link
Abstract:
A data reception device comprises: a first data input for receiving a first data signal and a clock input for receiving a clock signal; and a stability detection circuit adapted to generate: a first error signal indicating when a data transition of the first data signal occurs during a first period at least partially before a first significant clock edge of the clock signal; and a second error signal indicating when a data transition of the first data signal occurs during a second period at least partially after the first significant clock edge of the clock signal; and a control circuit configured to generate a control signal for adjusting the sampling time of the first data signal based on said first and second error signals.
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