Subject:
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How to add more IC lines?
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Thu, 8 Aug 1996 17:07:23 GMT
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Original-From:
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Mike Ross <mross@outland.SPAMLESSjsc.nasa.gov>
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Viewed:
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1749 times
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Hi, all
It appears that the proposed expansion board will not have any additional
input capture functions. I've run out of Input Capture lines on the
Handyboard, so does anyone have a suggestion on which processor could best
be slaved to the Handyboard and provide that IC function?
I found out the PIC16C84 has Output Compare lines, but no Input Capture
lines. The Basic Stamp also does not allow such interrupts. Since I use
the Handyboard as a signal processor, I need as many lines (4) in as out,
yet I am loathe to disable the IR and piezo-buzzer to get them.
Thanks for any advice!
-mike
pS. I looked at the SH7032 Hitachi processor (20 MHz, 32 bit, RISC) eval
board that someone mentioned here recently. Very impressive! LOTS of ICs
and OCs. It was at http://www.hitachi.com, and I understand the eval
board is about $100 US.
* Michael L. Ross/C33 | Lockheed Engineering & Sciences Co.****
* Robotics Department | 2400 Nasa Rd. 1, Houston, TX 77058*****
*(713)333-7094 voice,(713)333-6071 fax*#include <disclaimer.h>*
* Finger me for my public key. mross@outland.jsc.nasa.gov ****
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