[sdiy] dsPIC fun board

[Tim Ressel]

Hey, any fun platform is worth doing. The SoftSynth effort could use a platform to develop on. This little gizmo sounds like hours of distraction! But in a good way...

I was noticing, however, the dsPic33 series can only address 64K of data memory. That is a little restrictive, especially at high sample rates. Now I'm not knocking Csaba's efforts. I'd line up for one or two of those boards. But some of the things I have planned need a bit more memory.

--TimR


--- On Fri, 1/16/09, Csaba Zvekan <czvekan at gmail.com> wrote:

> From: Csaba Zvekan <czvekan at gmail.com>
> Subject: Re: [sdiy] dsPIC fun board
> To: Synth-diy at dropmix.xs4all.nl
> Date: Friday, January 16, 2009, 10:45 AM
> On Jan 16, 2009, at 7:13 PM, Eric Brombaugh wrote:
> 
> > Jason Proctor wrote:
> >>> Not only that . But having the same people
> together to write different modules/software could be really
> efficient.
> >> well that was the situation i was going for with
> the arduino board, too. i'd set up some hardware and
> software conventions, and then hopefully people would
> contribute and we'd have a library of stuff that was
> compatible.
> >> i'll still finish my arduino board just
> because, but i'll be taking a long look at this one
> because it  seems to be much further ahead in terms of
> facilities. and, there's a PCB, which is huge :-)
> > 
> > Not trying to open a can of worms here, but if there
> is sufficient interest in this I'd be happy to spin the
> board layout to fix the errata we found in the first one
> (all minor stuff - see the website for details). Probably
> ought to put together a more detailed BOM as well.
> 
> That's a very good Idea, Eric !  I think interest is
> here .
> And people on this list would probably buy the boards from
> you. I think once people see  and hear what it can do. They
> will definitely want one.
> Would you consider putting an Audio CODEC ,  EEPROM and
> some SRAM on the  board as well . Or do you like to keep
> things flexible like the version 1 ?
> 
> Csaba
> 
> > 
> > 
> > Also, don't forget Seb Francis' Digi-Mod dsPIC
> project - it's very similar to this one with some nice
> extras - decent audio codec, sample memory, more CV inputs,
> etc. Last he mentioned it he had a layout done but I
> haven't heard more from him about it since then and he
> pulled the schematics & board plots from his site. I
> don't recall if it had CV outs though...
> > 
> > Eric
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