Subject:
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Re: large # of digital I/O's
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Mon, 10 Feb 1997 09:59:30 GMT
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Original-From:
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Bastiaan Jansen <B.S.H.JANSEN@STUDENT.UTWENTE.antispamNL>
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Viewed:
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1556 times
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This chip is REALLY handy.. I worked some time with it, and liked it....
Bastiaan
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> From: Randy Sargent <rsargent@newtonlabs.com>
> To: handyboard@media.mit.edu
> Subject: large # of digital I/O's
> Date: zaterdag 8 februari 1997 3:44
>
>
> Check out the 82C55. In a 40 pin package, it has 24 bits of digital
> bidirectional I/O, and can be bit- or byte- addressed. It's cheap (like $4
> or so in quantity). The 40-pin DIP package is big, but not compared to 3
> 20-pin DIP packages which it can replace. The 44-pin PLCC is nice and
> small.
>
> -- Randy
>
> > > If there was a way to build 24
> > > digital-in/digital-out/analog-in/analog-out lines (where they could be
> > > pro grammed by setting a register) that would be so fantastic as to
> > > make one's robotic he art weep with joy.
> >
> > Chuck, can you suggest the appropriate chip? Anyone?
>
> ----------------------------------------------------------------
> Randy Sargent Newton Research Labs
> Senior Design Engineer Robotic Systems and Software
> rsargent@newtonlabs.com http://www.newtonlabs.com/
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