Serial communication interface circuit performing external loopback test and electrical device including the same
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United States of America
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Feb 18, 2020
Grant Date -
Dec 13, 2018
app pub date -
Jan 10, 2018
filing date -
Jan 10, 2018
priority date (Note) -
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Abstract
A serial communication interface circuit includes a transmitter configured to convert first parallel data into first serial data and transmit the first serial data through an output port; a receiver configured to receive second serial data through an input port and convert the second serial data into second parallel data; a test controller configured to generate at least one test control signal; and an embedded external loopback circuit configured to form an external loopback path between the output port and the input port to receive the first serial data and output the second serial data according to at least one channel model in response to the at least one test control signal in a test mode.
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