Vehicular control apparatus
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United States of America Patent
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Mar 13, 2018
Issued Date -
N/A
app pub date -
May 9, 2016
filing date -
May 21, 2015
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Abstract
A vehicular control apparatus that functions more reliably is provided. A quasi-abnormality control circuit brings one of a clock signal, an internal watchdog signal, and an answer signal into a quasi-abnormal state when an ignition is switched on. A clock determining circuit, an internal watchdog signal determining circuit, and a Q&A watchdog circuit output determination signals, respectively. One of the determination signals corresponds to a monitoring target signal brought into the quasi-abnormal state and indicates an abnormality. A reset signal determining circuit receives the determination signals, and generates a reset signal in accordance with determination results in the determination signals. A quasi-abnormality control circuit switches the monitoring target signal to be brought into the quasi-abnormal state each time the ignition is switched on.
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