[Coco] CoCo Altera DE1 interface

[univax!gatech!destroyer!trantor!kandur]

Yes, lots of interesting things on his Coco Website:
Photos: Cracking open the TRS-80 | CNET News.com 
I found this site interesting. 
They have cracked open a TRS-80 Color Computer
and have the pictures. This is a very recent posting.
Photos: Cracking open the TRS-80 | CNET News.com

It would be good to know, what is the part number 
of CN1 on his Slot Extender.

Kandur

Thursday, January 15, 2015, 6:31:19 PM, you wrote:
> Hi

> While browsing in OSHPark I found two projects: CoCo Buffer (
> https://oshpark.com/shared_projects/1qtqcHjF) and Slot Extender (
> https://oshpark.com/shared_projects/ixlqJKlZ).

> Looking on the old posts of the list I think the first one was made by
> Mathew. (are you there, Matt? :)

> Does anyone used it? Is there any project example to connect the Altera
> FPGA with the CoCo? I would love to try it,

> On Fri, Oct 31, 2014 at 12:41 PM, Matthew Stock <stock at bexkat.com> wrote:

>> Hi Tim,

>> I don't have any on hand, but if you can solder the fine pitch chips you
>> can order them from Digikey and OSHPark directly.  I can order and assemble
>> them too if you prefer, but it will be more expensive that way.  Send me a
>> note directly if you want to discuss either option: stock at bexkat.com.

>> This little buffer interface is useful for non-Altera boards, but the
>> pinout allows you to take a normal 40-pin ribbon cable and plug it from
>> Coco to DE1 without any fuss.  It's been really handy for my projects and
>> tinkering.
>>   -Matt


>> On Fri, Oct 31, 2014 at 10:29 AM, tim at franklinlabs.com <
>> tim at franklinlabs.com
>> > wrote:

>> > 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!"
>> > >
>> > > --
>> > > Coco mailing list
>> > > Coco at maltedmedia.com
>> > > https://pairlist5.pair.net/mailman/listinfo/coco
>> > mattstock <https://oshpark.com/profiles/mattstock> .
>> >
>> > --
>> > Coco mailing list
>> > Coco at maltedmedia.com
>> > https://pairlist5.pair.net/mailman/listinfo/coco
>> >

>> --
>> Coco mailing list
>> Coco at maltedmedia.com
>> https://pairlist5.pair.net/mailman/listinfo/coco