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How can i use CN for interruption (button)

 
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kimo127
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How can i use CN for interruption (button)
PostPosted: Mon Jan 26, 2009 2:34 pm     Reply with quote
hello,

Can someone help me ? I'm trying to do a program for explorer 16.
I'm using the 4 buttons of the board. Can I generate an interruption when a button is pressed ?

The buttons are connected to CN change notification.


please help me Rolling Eyes
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Mon Jan 26, 2009 6:36 pm     Reply with quote
1. Tell us what PIC you're using.

2. Tell us what model of the Explorer 16 board you are using. There
are at least 3 different models. See this page:
http://www.microchip.com/stellent/idcplg?IdcService=SS_GET_PAGE&nodeId=2519&param=en025321
kimo127



Joined: 27 Jan 2009
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PostPosted: Wed Jan 28, 2009 1:27 pm     Reply with quote
thanks for your quick response

I use the Pic 24Fj128GA010 and the explorer 16 board 100 pins
PCM programmer



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PostPosted: Wed Jan 28, 2009 2:50 pm     Reply with quote
Three of the switches go to "CN" input pins on the PIC24FJ128GA010.
So you could use the "Change Notification" interrupt to detect a keypress.
Quote:

S3: RD6 CN15
S6: RD7 CN16
S5: RA7 -
S4: RD13 CN19

Unfortunately, I can't help you any more on this because I don't have the
PCD compiler.
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