[sdiy] Digi-Mod
Seb Francis
seb at burnit.co.uk
Tue Mar 31 23:59:18 CEST 2009
Eric Brombaugh wrote:
>
> I'm also using the CS4270 on my ARM/FPGA board & ran into the same
> thing. Although it's just a matter of tweaking a bit in the control
> registers to disable the feature, it's a bit annoying until you get
> around to it.
Yeah, it's useful to read the datasheet carefully sometimes! In my case
I have the CS4270 running in standalone mode so as not to use up more
dsPIC I/O than necessary. So since this 'feature' can't be turned off,
I just output a 1 every 8192 samples while the outputs are inactive
(i.e. outputting 0s). I don't remember having to do this with the
CS4272 in the 4xD.
>
> Which reminds me - I've got to do some more firmware on the dsPICfun
> board at some point. Just been too wrapped up in the FPGA board lately...
>
Yeah that looks like an interesting project ... a whole new set of
tricks to learn!
Seb
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