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RB4 to RB7 as an interrupt

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hayee

Joined: 05 Sep 2007
Posts: 252

RB4 to RB7 as an interrupt
Posted: Thu Nov 11, 2010 4:03 am

Hi, I am using pic18f252. I wanna ask that can we use portb pins form RB4 to RB7.

Geps

Joined: 05 Jul 2010
Posts: 129


Posted: Thu Nov 11, 2010 4:05 am

Datasheet: http://ww1.microchip.com/downloads/en/DeviceDoc/39564c.pdf Look at page 85.

hayee

Joined: 05 Sep 2007
Posts: 252


Posted: Thu Nov 11, 2010 4:11 am

thanks for quick reply. How to define that in programming. give me a sample code

Geps

Joined: 05 Jul 2010
Posts: 129

Posted: 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

Joined: 05 Sep 2007
Posts: 252


Posted: Thu Nov 11, 2010 4:22 am

give me some links,its difficult to find exact thing using searching,

Geps

Joined: 05 Jul 2010
Posts: 129


Posted: Thu Nov 11, 2010 4:25 am

Here's one I used a while ago: http://www.ccsinfo.com/forum/viewtopic.php?t=15126&postdays=0&postorder=asc&start=0

hayee

Joined: 05 Sep 2007
Posts: 252


Posted: Thu Nov 11, 2010 4:31 am

ok. Thanks. Let me try.

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