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<title>Peripheral DMA controller</title>
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<span id="openzim-page-title" class="mw-page-title-main"><span class="mw-page-title-main">Peripheral DMA controller</span></span>
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<div id="mw-content-text" class="mw-body-content mw-content-ltr" lang="en" dir="ltr"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><p>A <b>peripheral DMA controller</b> (<b>PDC</b>) is a feature found in modern <a href="Microcontroller" title="Microcontroller">microcontrollers</a>. This is typically a <a href="FIFO_(computing_and_electronics)" title="FIFO (computing and electronics)">FIFO</a> with automated control features for driving implicitly included modules in a microcontroller such as <a href="UART" class="mw-redirect" title="UART">UARTs</a>.
</p><p>This takes a large burden from the <a href="Operating_system" title="Operating system">operating system</a> and reduces the number of <a href="Interrupt" title="Interrupt">interrupts</a> required to service and control these types of functions.
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<div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2></div>
<ul><li><a href="Direct_memory_access" title="Direct memory access">Direct memory access</a> (DMA)</li>
<li><a href="Autonomous_peripheral_operation" title="Autonomous peripheral operation">Autonomous peripheral operation</a></li></ul>
<div class="mw-heading mw-heading2"><h2 id="References">References</h2></div>
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This article is issued from <a class="external text" title="Last edited on 2025-06-05" href="https://en.wikipedia.org/wiki/?title=Peripheral_DMA_controller&oldid=1294094454">Wikipedia</a>. The text is available under <a class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.en">Creative Commons Attribution-Share Alike 4.0</a> unless otherwise noted. Additional terms may apply for the media files.
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