Subject:
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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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Sat, 8 Feb 1997 02:44:41 GMT
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Original-From:
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Randy Sargent <RSARGENT@NEWTONLABSspamcake.COM>
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Viewed:
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1484 times
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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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