Processing device with self-scrubbing logic
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United States of America Patent
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Oct 17, 2017
Grant Date -
Jun 30, 2016
app pub date -
Jan 18, 2016
filing date -
Feb 22, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
An apparatus includes a processing unit including a configuration memory and self-scrubber logic coupled to read the configuration memory to detect compromised data stored in the configuration memory. The apparatus also includes a watchdog unit external to the processing unit and coupled to the self-scrubber logic to detect a failure in the self-scrubber logic. The watchdog unit is coupled to the processing unit to selectively reset the processing unit in response to detecting the failure in the self-scrubber logic. The apparatus also includes an external memory external to the processing unit and coupled to send configuration data to the configuration memory in response to a data feed signal outputted by the self-scrubber logic.
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