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

[camillus Blockx]

I think it was even in one of the magazines back then, and it was used
to drive the star serie dotmatrix printers. Was it rainbow or coconut,
I do not know any more. But I'm sure it worked.

On Thu, May 16, 2013 at 5:11 PM, Bob Devries <devries.bob at gmail.com> wrote:
> 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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>
>
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