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<section id="usb-3-0">
<h1>USB 基本概念(3.0 为主)<a class="headerlink" href="#usb-3-0" title="Link to this heading"></a></h1>
<section id="id1">
<h2>简介<a class="headerlink" href="#id1" title="Link to this heading"></a></h2>
</section>
<section id="usb-2-0">
<h2>与 USB 2.0 相同和不同点<a class="headerlink" href="#usb-2-0" title="Link to this heading"></a></h2>
</section>
<section id="link-layer">
<h2>Link Layer<a class="headerlink" href="#link-layer" title="Link to this heading"></a></h2>
<section id="lcw">
<h3>LCW<a class="headerlink" href="#lcw" title="Link to this heading"></a></h3>
</section>
</section>
<section id="protocol-layer">
<h2>Protocol Layer<a class="headerlink" href="#protocol-layer" title="Link to this heading"></a></h2>
<section id="lmp">
<h3>LMP<a class="headerlink" href="#lmp" title="Link to this heading"></a></h3>
</section>
<section id="tp">
<h3>TP<a class="headerlink" href="#tp" title="Link to this heading"></a></h3>
</section>
<section id="dp">
<h3>DP<a class="headerlink" href="#dp" title="Link to this heading"></a></h3>
</section>
<section id="itp">
<h3>ITP<a class="headerlink" href="#itp" title="Link to this heading"></a></h3>
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