[Coco] COCO Video

Mike Pepe lamune at doki-doki.net
Mon Jun 24 22:29:07 EDT 2013


I think you're thinking of the 6883 datasheet, Frank- the 6809 datasheet has
no such diagram. 

-Mike

> -----Original Message-----
> From: coco-bounces at maltedmedia.com [mailto:coco-
> bounces at maltedmedia.com] On Behalf Of Frank Swygert
> Sent: Monday, June 24, 2013 1:30 PM
> To: coco at maltedmedia.com
> Subject: Re: [Coco] COCO Video
> 
> Date: Mon, 24 Jun 2013 09:53:23 -0700
> From: Steve Bjork<6809er at srbsoftware.com>
> 
> On 6/23/2013 10:52 PM, Mike Pepe wrote:
> 
> > John, you've probably been asked this before, but what do you think of
> > the theory that the 6847 and 6883 were designed specifically for
> > Tandy? The 6883 in particular smells like a breadboard of TTL glue
> > that got the old shrinkeroo into a 40 pin DIP.
> >
> Truth be told, the 6847 (VDG) 6883 (SAM) chip was NOT design for Tandy.
> 
> The support chips like the SAM are standard affair in any CPU lineup.
> ===========================================
> 
> True! In fact, if you get a data sheet for the 6809 you will see that the
CoCo1
> was very close to the sample computer schematic that Motorola provided.
> 
> --
> Frank Swygert
> Editor - American Motors Cars Magazine
> www.amc-mag.com
> 
> 
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