[Coco] Schematic for external PIA, cart protoboard.

[Kip Koon]

Hi Ed,

Here is the link to the schematic for the Coco Prototyping Pak in my dropbox.  

https://www.dropbox.com/s/3fdmku6jczge3a5/Coco%20Cartridge%20Prototyping%20Pak%20sch.pdf?dl=0

 

 

Kip Koon

computerdoc at sc.rr.com

http://www.cocopedia.com/wiki/index.php/Kip_Koon

 

 

 

-----Original Message-----
From: Coco [mailto:coco-bounces at maltedmedia.com] On Behalf Of Zippster
Sent: Thursday, February 05, 2015 12:05 AM
To: CoCoList for Color Computer Enthusiasts
Subject: Re: [Coco] Schematic for external PIA, cart protoboard.

 

Hi Kip,

 

That looks like enough access to GND and VCC to me.

 

Got a print of the schematic?

 

- Ed

 

 

> On Feb 4, 2015, at 10:46 PM, Kip Koon < <mailto:computerdoc at sc.rr.com> computerdoc at sc.rr.com> wrote:

> 

> Hi Chris,

> 

> I apologize for not having gotten back to working on the Coco Prototyping Pak.  One question I need a consensus on.  

> 

> Originally I laid out the PCB with a wide VCC and Ground trace on the far and near sides of the PCB like in the pdf below.  Click link to download.  Now I’m wondering if it would be wise to put the power rails all the way around the PCB.  Here is a dropbox link to a pdf of the PCB layout.  What do you guys think?   <https://www.dropbox.com/s/0736lzhlvs7w1of/Coco%20Cartridge%20Prototyping%20Pak%20brd.pdf?dl=0> https://www.dropbox.com/s/0736lzhlvs7w1of/Coco%20Cartridge%20Prototyping%20Pak%20brd.pdf?dl=0

> 

> 

> 

> Kip Koon

> 

>  <mailto:computerdoc at sc.rr.com> computerdoc at sc.rr.com

> 

>  <http://www.cocopedia.com/wiki/index.php/Kip_Koon> http://www.cocopedia.com/wiki/index.php/Kip_Koon

> 

> 

> 

> 

> 

> -----Original Message-----

> From: Coco [mailto:coco-bounces at maltedmedia.com] On Behalf Of Chris

> Sent: Wednesday, February 04, 2015 7:14 PM

> To: coco at maltedmedia.com

> Subject: [Coco] Schematic for external PIA, cart protoboard.

> 

> 

> 

> Hello,

> 

> 

> 

> Does anyone have a schematic for hooking up a 3rd PIA to the coco? Im looking for something I can get simple hi&low input/output via peek/poke from in basic on a CC2. 

> 

> 

> 

> Also there was some talk a few months back of a cartage proto-board. Did anything ever come of this? 

> 

> 

> 

> 

> 

> Thanks!

> 

> 

> 

> Chris

> 

> 

> 

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