Data storage device and data processing system having the same
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United States of America Patent
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Jul 23, 2019
Grant Date -
Jan 25, 2018
app pub date -
Jul 20, 2017
filing date -
Jul 25, 2016
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Abstract
A data storage device and a data processing system having the same are disclosed. The data storage device includes a nonvolatile memory and a controller, coupled to the nonvolatile memory, configured to receive first and second commands generated by a host and control an operation of the nonvolatile memory in response to the first command. The controller includes a core configured to receive and process the first command, a trace circuit corresponding to the core and configured to generate and output first data, based on pieces of information generated while the core processes the first command, and a trace controller configured to control output of the first data and second data differing from the first data, based on a result of performing at least one authentication control operation corresponding to the second command.
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