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Vectored interrupt
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<h2 id="implementation">Implementation</h2> <p>Vectored interrupts are achieved by assigning each interrupting device a unique code, typically four to eight bits in length.<a class="footnote-ref" id="fnref:1" href="#fn:1"><sup>1</sup></a> When a device interrupts, it sends its unique code over the <a href="/facts/Bus_(computing)/R45TKwS7">data bus</a> to the processor, telling the processor which interrupt service routine to execute. </p> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>Hamacher, Carl (2002). "INPUT/OUTPUT Organization". Computer Organization (5th ed.). McGraw Hill. p. 214. ISBN 0072320869. <a href="0072320869" target="_blank">0072320869</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> </ol>