CONTROL DEVICE AND METHOD FOR OPERATING CONTROL DEVICE
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United States of America Patent
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Issued Date -
Oct 10, 2024
app pub date -
Sep 1, 2023
filing date -
Apr 6, 2023
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Abstract
A control device according to an embodiment includes a first region including a CPU and a sequence signal generation circuit; and a second region including an abnormality detection circuit, a sequence signal detection circuit, a first register storing multiple methods of recovery from occurrence of abnormality, and a second register for use to select one method of recovery from the multiple methods of recovery, the second region being higher in reliability than the first region. The sequence signal generation circuit converts a first signal that specifies the one method of recovery into a sequence signal containing a second signal, which is a digital signal of a predetermined pattern, and the sequence signal detection circuit changes a set value of the second register upon receiving the second signal.
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