Invention Grant
US07672417B2 Clock and data recovery 有权
时钟和数据恢复

Clock and data recovery
Abstract:
A data and clock recovery circuit having a retimer mode and a resync mode. In one embodiment, a receiver circuit includes; a retimer; a clock recovery circuit to provide a clock signal to the retimer; and an adjustable delay to provide a delayed version of an input signal to the retimer. When in a resync mode, the adjustable delay causes a pre-selected delay in the input signal and the clock recovery circuit dynamically selects a clock phase to generate the clock signal. When in a second mode, the adjustable delay dynamically adjusts the delayed version of the input signal and the clock recovery circuit outputs the clock signal having a pre-selected clock phase.
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