[Coco] A question for all you hardware hackers out there...

[tim at franklinlabs.com]

Yeah, at this point it's the LE count. I don't need 1/3 of the I/O. I'm really
not sure yet on the LE count either. Just thinking ahead. I haven't prototyped
the design yet but I will using a DE-1. I am planning on using the Cyclone
series on the final design.

I need to get in touch with Matt Stock (CoCo e-mail participant). He was selling
a DE-1 interface board at one point. I found his board on OSH Park. If he's
still around and reading this... Can I still get one or two of those
boards??????






> On October 31, 2014 at 9:09 AM Mark McDougall <msmcdoug at iinet.net.au> wrote:
>
>
> On 31/10/2014 3:42 AM, tim at franklinlabs.com wrote:
>
> > I actually haven't chosen the actual FPGA yet because I'm not sure how much
> > LE
> > space I need. I was considering a small Cyclone III or equivalent. The one I
> > was
> > looking at I thought was 264 pins but it actually was 408.
>
> Wow, do you *need* that much I/O for your project? Or is it a case of the
> smallest package for that many LE's?
>
> I've done TQFP soldering by hand, but I think that was 144-pin, and quite a
> few years ago before my sight started failing me. It's not as hard as you'd
> think as the solder tends to stick to the pin/pad.
>
> I've got a homebrew project now with a PQFP 240-pin Cyclone III and I'm not
> going to stuff around with, I'll bite the bullet and get it assembled -
> probably a run of 8.
>
> Regards,
>
> --
> | Mark McDougall | "Electrical Engineers do it
> | <http://members.iinet.net.au/~msmcdoug> | with less resistance!"
>
> --
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mattstock <https://oshpark.com/profiles/mattstock> .