[Coco] DE1 arrives :-)

Aaron Wolfe aawolfe at gmail.com
Thu Jun 24 18:51:04 EDT 2010


On Thu, Jun 24, 2010 at 5:40 PM, Stephen Adolph <twospruces at gmail.com> wrote:
> a couple of comments on this DE1 activity-
>
> 1)  Get your board before they discontinue...since for this to be
> interesting, one might want to make expansion cards etc too, and we
> have a defacto pinout.  They will make a new development board for the
> next generation parts at some point.
>

The I/O pins are pretty flexible on all the FPGA boards I've seen.  I
guess it would be wise to design any add on boards to use an adapter
for connecting to the board, this way additional boards could be
supported easily.  I don't imagine this will be a problem.

> 2)  is there a nice retro packaging approach with a coco2 case or
> something.  Would be neat to use the existing keyboard, and some of
> the existing I/O  even.
>

I think the DE1 is a little too big to put inside a CoCo, but maybe
someone can figure out a way to squeeze it in there.  the way the
various ports are arranged, it might be difficult to allow access to
them from within a coco shell.  something to try though.

in the future I'd expect there will be much smaller boards.

> There could be a nice formula for reusing a coco2 - disable circuits
> that are not needed, patch in the DE1.
>
>
>
> Thoughts?
>
>
>
> On Thu, Jun 24, 2010 at 4:19 PM, Steven Hirsch <snhirsch at gmail.com> wrote:
>> My new DE1 just arrived from Digikey.  Hope to join the ranks of FPGA coco
>> users Real Soon Now.
>>
>> Steve
>>
>>
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