Tech Support > Computer Hardware > Microprocessors > add extra interrupt on 8051
add extra interrupt on 8051
Posted by dannynews on August 19th, 2003


does any method to increase the interrupt pins on 8051?
I use DS80C320 and it only has six external interrupt.


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Best Regard
Danny Lu


Posted by Mark A. Odell on August 19th, 2003


"dannynews" <danny.lu@pouyuen.com.tw> wrote in
news:bht0pq$gd6@netnews.hinet.net:

Look at the timer compare/capture input pins. There's a way to set up the
timers such that they generate an interrupt when the capture pin toggles.

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- Mark ->
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Posted by aurgathor on August 20th, 2003


Add an OR gate or two... ;-)

"dannynews" <danny.lu@pouyuen.com.tw> wrote in message
news:bht0pq$gd6@netnews.hinet.net...



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