Lpc2000

At 09:05 PM 5/10/2006 +0100, Andy wrote:
>I'm still quite new to embedded systems generally so please bear with me.
>I'm running a task scheduler based on a 1ms tick using Timer0, so need one
>interrupt for this.  In addition I require an interrupt from EINT3 due to an
>external ethernet chip which requires attention when a message is recieved.
>The timer0 int is time critical and must happen on time, the external
>interrupt can wait a bit if need be.

Just a question that might help.  Why is the timer interrupt that 
critical?  Have you something scheduled that must happen at 1 ms 
intervals?  If so how close to the ms does it need to be?

Robert

" 'Freedom' has no meaning of itself.  There are always restrictions,   be 
they legal, genetic, or physical.  If you don't believe me, try to chew a 
radio signal. "  -- Kelvin Throop, III
http://www.aeolusdevelopment.com/