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RB4 to RB7 as an interrupt

 
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hayee



Joined: 05 Sep 2007
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RB4 to RB7 as an interrupt
PostPosted: Thu Nov 11, 2010 4:03 am     Reply with quote
Hi,
I am using pic18f252.
I wanna ask that can we use portb pins form RB4 to RB7.
Geps



Joined: 05 Jul 2010
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PostPosted: Thu Nov 11, 2010 4:05 am     Reply with quote
Datasheet: http://ww1.microchip.com/downloads/en/DeviceDoc/39564c.pdf

Look at page 85.
hayee



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PostPosted: Thu Nov 11, 2010 4:11 am     Reply with quote
thanks for quick reply.
How to define that in programming.
give me a sample code
Geps



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PostPosted: Thu Nov 11, 2010 4:13 am     Reply with quote
hayee wrote:
give me a sample code please


If you search this forum for "change on B interrupt" and make sure to select the search option "Search for all terms" you'll find plenty of sample code that has been posted before.
hayee



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PostPosted: Thu Nov 11, 2010 4:22 am     Reply with quote
give me some links,its difficult to find exact thing using searching,
Geps



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PostPosted: Thu Nov 11, 2010 4:25 am     Reply with quote
Here's one I used a while ago:

http://www.ccsinfo.com/forum/viewtopic.php?t=15126&postdays=0&postorder=asc&start=0
hayee



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PostPosted: Thu Nov 11, 2010 4:31 am     Reply with quote
ok. Thanks.
Let me try.
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