Programmable interrupt controller: Difference between revisions

Revision as of 04:19, 11 April 2006

Revision as of 09:51, 3 May 2006

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A '''Programmable Interrupt Controller''' ('''PIC''') is a device which allows priority levels to be assigned to its interrupt outputs. When the device has multiple interrupt outputs to assert, it will assert them in the order of their relative priority. Common modes of a PIC include hard priorities, rotating priorities, and cascading priorites. PICs often allow the cascading of their outputs to inputs between each other. St. John Rigby Sucks Balls...

== Common features ==