[Coco] Embedded coco

[Paul T. Barton]

I use OrCad 9.1 here at work.

Paul

--- peak at mail.polarcomm.com wrote:
> James
> Those are good questions!
> As to what kind of ram I was thinking of static
> ram because 
> that would eliminate refresh. The size of ram
> would be 
> optional. For a start I probably would use just
> one 6116 chip 
> which would give 2KB. As to Rom I would start
> with a 2716 or 
> 2764 with the Intel pinout.
> 
> As to the coco's expansion port my Idea is to
> put jumper pads 
> on the ckt board so that a person could add a
> full coco 
> expansion port if desired.
> 
> The main Idea here is to design a board with
> optional 
> connectors and interfacing so that individuals
> might 
> customize it depending on their own desires for
> embedding 
> a "coco type" computer.
> 
> Layout : I only have "PCB123" layout software
> at this time so 
> that is what I will use but I also plan on
> publishing just a 
> schematic so if you wanted a different layout
> you could.
> I will design this thing with lots of options
> though. The 
> board could have solder pads for surface mount
> components as 
> well as the older type plated through hole pads
> for sockets.
> The sizes of ROM/RAM,number of PIA's,Inclusion
> of a DAC chip,
> and or Cartridge connector will all be
> optional.
> 
> I hope this answers your questions and I am
> open to 
> suggestions. If there is enough interest in a
> mini-coco then 
> perhaps we could make it a community project
> and convince 
> cloud 9 or someone to produce a kit. It could
> be made 
> available as just a bare ckt board or a ckt
> board with 
> connectors etc.
> 
> Thanks for your input!
> Eric the Technician.
> 
> -- 
> Coco mailing list
> Coco at maltedmedia.com
> http://five.pairlist.net/mailman/listinfo/coco


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