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Lpc2000

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Message

Re: Timer interrupt problem

2004-01-24 by bobbruce000

--- In lpc2100@yahoogroups.com, "Richard" <richas@y...> wrote: 
> Why not use timer/capture instead of polling pins? 
 
Because I need to monitor 16 pins and there are only seven 
pins configurable as capture triggers. 
 
	-bob 
 
> > bobbruce000 <bobbruce000@y...> wrote: 
> I am using a LPC2106, and I need to monitor 16 pins for    
> > level changes.  Since there aren't that many external    
> > interrupt pins, I decided to use a timer interrupt and    
> > sample the pins every few microseconds.  Since this is    
> > the most frequent interrupt, I made it the "fast    
> > interrupt".

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