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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Use the MPU Region Attribute and Size Register to define the size, access behaviour and memory type of the region identified by MPU_RNR, and enable that region."><title>rp2040_pac::ppb::mpu_rasr - Rust</title><script>if(window.location.protocol!=="file:")document.head.insertAdjacentHTML("beforeend","SourceSerif4-Regular-46f98efaafac5295.ttf.woff2,FiraSans-Regular-018c141bf0843ffd.woff2,FiraSans-Medium-8f9a781e4970d388.woff2,SourceCodePro-Regular-562dcc5011b6de7d.ttf.woff2,SourceCodePro-Semibold-d899c5a5c4aeb14a.ttf.woff2".split(",").map(f=>`<link rel="preload" as="font" type="font/woff2" crossorigin href="../../../static.files/${f}">`).join(""))</script><link rel="stylesheet" href="../../../static.files/normalize-76eba96aa4d2e634.css"><link rel="stylesheet" href="../../../static.files/rustdoc-492a78a4a87dcc01.css"><meta name="rustdoc-vars" data-root-path="../../../" data-static-root-path="../../../static.files/" data-current-crate="rp2040_pac" data-themes="" data-resource-suffix="" data-rustdoc-version="1.82.0 (f6e511eec 2024-10-15)" data-channel="1.82.0" data-search-js="search-a99f1315e7cc5121.js" data-settings-js="settings-4313503d2e1961c2.js" ><script src="../../../static.files/storage-118b08c4c78b968e.js"></script><script defer src="../sidebar-items.js"></script><script defer src="../../../static.files/main-921df33f47b8780c.js"></script><noscript><link rel="stylesheet" href="../../../static.files/noscript-3b12f09e550e0385.css"></noscript><link rel="alternate icon" type="image/png" href="../../../static.files/favicon-32x32-422f7d1d52889060.png"><link rel="icon" type="image/svg+xml" href="../../../static.files/favicon-2c020d218678b618.svg"></head><body class="rustdoc mod"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="mobile-topbar"><button class="sidebar-menu-toggle" title="show sidebar"></button></nav><nav class="sidebar"><div class="sidebar-crate"><h2><a href="../../../rp2040_pac/index.html">rp2040_<wbr>pac</a><span class="version">0.6.0</span></h2></div><h2 class="location"><a href="#">Module mpu_<wbr>rasr</a></h2><div class="sidebar-elems"><section><ul class="block"><li><a href="#structs">Structs</a></li><li><a href="#types">Type Aliases</a></li></ul></section><h2><a href="../index.html">In rp2040_<wbr>pac::<wbr>ppb</a></h2></div></nav><div class="sidebar-resizer"></div><main><div class="width-limiter"><rustdoc-search></rustdoc-search><section id="main-content" class="content"><div class="main-heading"><h1>Module <a href="../../index.html">rp2040_pac</a>::<wbr><a href="../index.html">ppb</a>::<wbr><a class="mod" href="#">mpu_rasr</a><button id="copy-path" title="Copy item path to clipboard">Copy item path</button></h1><span class="out-of-band"><a class="src" href="../../../src/rp2040_pac/ppb/mpu_rasr.rs.html#1-124">source</a> · <button id="toggle-all-docs" title="collapse all docs">[<span>&#x2212;</span>]</button></span></div><details class="toggle top-doc" open><summary class="hideme"><span>Expand description</span></summary><div class="docblock"><p>Use the MPU Region Attribute and Size Register to define the size, access behaviour and memory type of the region identified by MPU_RNR, and enable that region.</p>
</div></details><h2 id="structs" class="section-header">Structs<a href="#structs" class="anchor">§</a></h2><ul class="item-table"><li><div class="item-name"><a class="struct" href="struct.MPU_RASR_SPEC.html" title="struct rp2040_pac::ppb::mpu_rasr::MPU_RASR_SPEC">MPU_<wbr>RASR_<wbr>SPEC</a></div><div class="desc docblock-short">Use the MPU Region Attribute and Size Register to define the size, access behaviour and memory type of the region identified by MPU_RNR, and enable that region.</div></li></ul><h2 id="types" class="section-header">Type Aliases<a href="#types" class="anchor">§</a></h2><ul class="item-table"><li><div class="item-name"><a class="type" href="type.ATTRS_R.html" title="type rp2040_pac::ppb::mpu_rasr::ATTRS_R">ATTRS_R</a></div><div class="desc docblock-short">Field <code>ATTRS</code> reader - The MPU Region Attribute field. Use to define the region attribute control.<br />
28 = XN: Instruction access disable bit:<br />
0 = Instruction fetches enabled.<br />
1 = Instruction fetches disabled.<br />
26:24 = AP: Access permission field<br />
18 = S: Shareable bit<br />
17 = C: Cacheable bit<br />
16 = B: Bufferable bit</div></li><li><div class="item-name"><a class="type" href="type.ATTRS_W.html" title="type rp2040_pac::ppb::mpu_rasr::ATTRS_W">ATTRS_W</a></div><div class="desc docblock-short">Field <code>ATTRS</code> writer - The MPU Region Attribute field. Use to define the region attribute control.<br />
28 = XN: Instruction access disable bit:<br />
0 = Instruction fetches enabled.<br />
1 = Instruction fetches disabled.<br />
26:24 = AP: Access permission field<br />
18 = S: Shareable bit<br />
17 = C: Cacheable bit<br />
16 = B: Bufferable bit</div></li><li><div class="item-name"><a class="type" href="type.ENABLE_R.html" title="type rp2040_pac::ppb::mpu_rasr::ENABLE_R">ENABL<wbr>E_<wbr>R</a></div><div class="desc docblock-short">Field <code>ENABLE</code> reader - Enables the region.</div></li><li><div class="item-name"><a class="type" href="type.ENABLE_W.html" title="type rp2040_pac::ppb::mpu_rasr::ENABLE_W">ENABL<wbr>E_<wbr>W</a></div><div class="desc docblock-short">Field <code>ENABLE</code> writer - Enables the region.</div></li><li><div class="item-name"><a class="type" href="type.R.html" title="type rp2040_pac::ppb::mpu_rasr::R">R</a></div><div class="desc docblock-short">Register <code>MPU_RASR</code> reader</div></li><li><div class="item-name"><a class="type" href="type.SIZE_R.html" title="type rp2040_pac::ppb::mpu_rasr::SIZE_R">SIZE_R</a></div><div class="desc docblock-short">Field <code>SIZE</code> reader - Indicates the region size. Region size in bytes = 2^(SIZE+1). The minimum permitted value is 7 (b00111) = 256Bytes</div></li><li><div class="item-name"><a class="type" href="type.SIZE_W.html" title="type rp2040_pac::ppb::mpu_rasr::SIZE_W">SIZE_W</a></div><div class="desc docblock-short">Field <code>SIZE</code> writer - Indicates the region size. Region size in bytes = 2^(SIZE+1). The minimum permitted value is 7 (b00111) = 256Bytes</div></li><li><div class="item-name"><a class="type" href="type.SRD_R.html" title="type rp2040_pac::ppb::mpu_rasr::SRD_R">SRD_R</a></div><div class="desc docblock-short">Field <code>SRD</code> reader - Subregion Disable. For regions of 256 bytes or larger, each bit of this field controls whether one of the eight equal subregions is enabled.</div></li><li><div class="item-name"><a class="type" href="type.SRD_W.html" title="type rp2040_pac::ppb::mpu_rasr::SRD_W">SRD_W</a></div><div class="desc docblock-short">Field <code>SRD</code> writer - Subregion Disable. For regions of 256 bytes or larger, each bit of this field controls whether one of the eight equal subregions is enabled.</div></li><li><div class="item-name"><a class="type" href="type.W.html" title="type rp2040_pac::ppb::mpu_rasr::W">W</a></div><div class="desc docblock-short">Register <code>MPU_RASR</code> writer</div></li></ul></section></div></main></body></html>
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