Jeff Epler e2565e2305

mimxrt10xx: Add PWMAudioOut ...

.. via a peripheral known as the "MQS" (medium quality sound). It uses an
~192kHz PWM signal to generate audio. It sounds OK on a small speaker with
no amplifier. There's a small pop when starting/stopping audio, as is
typical.

2023-03-23 14:08:44 -05:00

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