Programmable interrupt controller: Difference between revisions

Revision as of 02:05, 24 May 2006

Revision as of 05:02, 24 May 2006

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Interrupt may be edge triggered or level triggered.

There are a number of common ways of acknowledgeing an interrupt has completed when an EOI is issued. These include specifying which interrupt completed, using an implied interrupt which has completed (usually the highest priority pending in the ISR), and treating interrupt acknowledgement as the EOI. THE END

== Well-known PICs ==