Electronic device and method of electronic device for determining power source device
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United States of America Patent
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Sep 29, 2015
Grant Date -
Mar 13, 2014
app pub date -
Sep 5, 2013
filing date -
Sep 11, 2012
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Abstract
An electronic device includes a current source for applying current, a pull-up resistor or a pull-down resistor configured to be connected to one of a plurality of data terminals, a voltage level detection circuit configured to detect voltage values of the plurality of data terminals, and a connected device determination circuit configured to determine a type of a power source device based on the voltage values of the plurality of data terminals detected by the voltage level detection circuit.
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