METHOD AND APPARATUS FOR RECEIVING BURST DATA WITHOUT USING EXTERNAL DETECTION SIGNAL
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United States of America Patent
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Issued Date -
Jan 6, 2011
app pub date -
Jul 1, 2009
filing date -
Jul 1, 2009
priority date (Note) -
Abandoned
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Abstract
Apparatus and method for receiving burst data signal without using external detection signal are disclosed. The apparatus can include a clock data recovery (CDR) circuit to generate a clock signal, and a detection circuit to detect an initial portion in the data recovered from the input signal. The CDR circuit can have a first mode that attempts to synchronize the clock signal with a reference data signal, and a second mode that attempts to synchronize the clock signal with the burst data signal and to recover data based on the clock signal. The apparatus can include a controller to conduct a process including, in sequence, setting the CDR circuit in the first mode, setting the CDR circuit in the second mode, and keeping the CDR circuit in the second mode when the detection circuit detects the initial portion in the recovered data.
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