[sdiy] Audio converters for DC?

Jay Schwichtenberg jschwich53 at comcast.net
Wed Jul 7 22:22:57 CEST 2021


Some uCs work that some don't. Pick carefully.

Jay S.

On 7/7/2021 12:54 PM, Mike Bryant wrote:
>
> ØThen there is the issues of having to go over the I2S interface and 
> sucking up uC bandwidth since it's a streaming interface and needs 
> constant data.
>
> ØJay S
>
> You just fill up the output FIFO with a single value and then leave it 
> circulating, ignoring the underflow flags so no processor bandwidth is 
> used.  That said I agree it’s probably not the best solution, but 
> that’s due to the offset problem, which will need calibrating.
>
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