Providing wakeup logic to awaken an electronic device from a lower power mode
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United States of America Patent
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Oct 27, 2015
Grant Date -
Apr 25, 2013
app pub date -
Jun 25, 2010
filing date -
Jun 25, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
An electronic device (100) includes a network interface controller (102) and an input/output controller (110, 202) having a link layer. A portion of the input/output controller is configured to be powered off during a lower power mode of the electronic device, where the first portion contains the link layer. Wakeup logic (108) separate from the input/output controller receives a wake indication from the network interface controller in response to the physical layer receiving a wake message on the network while the electronic device is in the lower power mode. The wakeup logic activates an indication to awaken the electronic device from the lower power mode in response to the wake indication from the network interface controller.
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