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Signal detecting auto power on/off

Question asked by cklooi on Jul 23, 2013
Latest reply on Nov 8, 2013 by ColemanR



I am thinking to design a auto power on/off when there is a presense/absense of audio input signal?


Presense input signal : Power on

Absense input signal (1 min) : Power off


Can any of the GPIO of sigmadsp to be used as the logic to control the power regulator from detecting the input signal?