Really?
That could be why I have been having some problems on my pic based toy
(soon to be patented - then the details can go on my site, a hundred page
doc, some addendums and the patent application).  Must check it out.  I
always thought only one set was needed.

Cheers
Tim

At 19:21 04/07/97 -0400, you wrote:
>At 10:00 AM 6/4/97 +0000, Jean-Francois.Joly@GINGER.CAPITALNET.COM wrote:
>>Hello Keith!
>>
>>> I would go for a 16C73 instead if possible. It has a built in UART and you
>>> will probably save the extra few dollars in your time.
>>
>>Well, to tell you the truth, I already have experience with the
>>16c74 but I have found it somehow kind of confusing. For exemple,
>>pin VDD and VSS have duplicates; what does that meen? I can use any
>>of these pins, it won't make any difference?
>
>
>You have to power and ground both sets of pins.  I found out the hard way
>that sets of ports will behave incorrectly if only one set of Vdd and Vss
>are powered.
>
>Rob
>
>
>
>>After all, the 16c74 seems easier to use so I guess I'll just stick
>>with that... Thank you very much!
>>
>>Jean-Francois J.
>>----------
>>Jean-Francois Joly
>>jolyal@capitalnet.com
>>
>>
>
>


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