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Lpc2000

Index last updated: 2026-04-28 23:31 UTC

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Re: [lpc2000] Re: external interrupt problem

2004-07-23 by Leighton Rowe

Hey Doug,

I meant clearing the flags after setting EXTMODE as
suggested on pg.68.

EXTMODE = 0x08; //only controls the sensitivity
EXTINT = 0x08;  //clear EINT3 flag
...
...
VICIntEnable = (1<<VIC_EINT3);    // Enable external 3
interrupt.

Your 2nd reply (which just came) looks kinda spooky.
What kind-off exception r u getting? If EINT0-2 can
work on edge sensitive mode, then I wouldn't give up
on EINT3 quite yet. There's must be a way to get
around to it.

Good luck,
Leighton



		
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