[Coco] UART parallel driver. was> The most bizarre thing >>ATTNJohann

[Bob Devries]

Back in the day, I used the Microchip AY3-1015D, which was a parallel to 
serial convertor and a serial to parallel convertor in one chip.

Regards, Bob Devries
Dalby, QLD, Australia

----- Original Message ----- 
From: "George Ramsower" <georgera at gvtc.com>
To: "CoCoList for Color Computer Enthusiasts" <coco at maltedmedia.com>
Sent: Friday, May 17, 2013 6:17 AM
Subject: Re: [Coco] UART parallel driver. was> The most bizarre thing 
 >>ATTNJohann


> It never occurred to me that a UART could mate to a parallel device but, 
> as
> I think on this, it makes sense.
> Earlier, someone suggested this ckt was a serial to parallel interface and
> it seems he was correct.
>
> Interesting but not something I'm willing to look into, today.
> George
>
>  ----- Original Message ----- 
>  From: Johann Klasek
>
>  Yes, such a thing converts in both directions in an universal way, often
>  only signal driven (without any complex register programming, as far as
>  I have understand the datasheet of the AY-5-1013A). Probably not a good
>  idea (uncommon, not to say unstable) if the system bus would be connected
>  via a flat cable ...
>
>  Johann
>
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