Programmable Interval Timer: Difference between revisions

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Programmable Interval Timer (view source)

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The '''Programmable Interval Timer''' ('''PIT''') chip (also called anIntel 8253/8254 chip) basically consists of an oscillator, a prescaler and 3 independent frequency dividers. Each frequency divider has an output, which is used to allow the timer to control external circuitry (for example, IRQ 0).
 
== The Oscillator ==
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