Device and method for the reliable detection of wakeup events in the shutdown phase of a control unit
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United States of America Patent
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Issued Date -
Apr 25, 2013
app pub date -
Sep 21, 2012
filing date -
Oct 21, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A wakeup logic element for providing reliable detection of wakeup events in the shutdown phase of a control unit for a vehicle, having a wakeup source input, the wakeup source input being implemented as a flank-sensitive wakeup input, and an on/off state of a vehicle control unit being controllable by the wakeup source input, wherein a wakeup signal which arrives at the wakeup source input during a shutdown procedure of the control unit is able to be delayed or temporarily suppressed, such that the wakeup signal is applied at the wakeup source input after the control unit has been shut down.
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