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Re: [lpc2000] Re: external interrupt edge sensitive don't work

2005-03-18 by Sébastien MARION (UMM)

Hello,

first, thanks for your answers.

>I didn't study your code because I'm not sure that it is the same 
>for the LPC210x (which I know) as for the LPC22xx (which I don't 
>know). However I did note this sentence towards the end which 
>reminded me of an experince I had:


I use the same user manual that the 210x serie.


>"I dont understand why IRQ is always active even when there's no 
>edge ...."

>These are my ideas

>1. The interrupts are basically level sensitive and not specifically 
>falling edge sensitive.


Why are they register for select edge sensitive if they work only in level sensitive ??? (EXTPOLAR register)



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