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DM6467 AMUTEIN input

Nir Aloni
Expert 1240 points


If I use McASP0 serializer 0 as input, can the AMUTEIN input be used for stop receiving audio on this serializer or does this pin has no meaning when using only receive function?

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    TI__Mastermind 41665 points

    The AMUTEIN does not actually stop the serializers, it simply passes through to the AMUTE signal so the McASP can work with other devices in the system that can generate a mute/error signal (see figure 33 of SPRUER1b), this being said if you want to stop receiving audio your driver would have to take in an event/interrupt and stop it in software (for example connecting the mute signal you would drive AMUTEIN with to a GPIO interrupt pin).