cherry-embedded
/
CherryUSB
의 미러 https://github-proxy.rt-thread.io/cherry-embedded/CherryUSB.git


			
							123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228
							

<!DOCTYPE html>
<html class="writer-html5" lang="en" data-content_root="../">
<head>
  <meta charset="utf-8" /><meta name="viewport" content="width=device-width, initial-scale=1" />

  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>USB 基本概念(3.0 为主) &mdash; CherryUSB 1.4.1 documentation</title>
      <link rel="stylesheet" type="text/css" href="../_static/pygments.css?v=80d5e7a1" />
      <link rel="stylesheet" type="text/css" href="../_static/css/theme.css?v=e59714d7" />

  
      <script src="../_static/jquery.js?v=5d32c60e"></script>
      <script src="../_static/_sphinx_javascript_frameworks_compat.js?v=2cd50e6c"></script>
      <script src="../_static/documentation_options.js?v=350a9c04"></script>
      <script src="../_static/doctools.js?v=9a2dae69"></script>
      <script src="../_static/sphinx_highlight.js?v=dc90522c"></script>
    <script src="../_static/js/theme.js"></script>
    <link rel="index" title="Index" href="../genindex.html" />
    <link rel="search" title="Search" href="../search.html" />
    <link rel="next" title="USB 描述符" href="usb_desc.html" />
    <link rel="prev" title="USB 基本概念(2.0 为主)" href="usb2.0_basic.html" /> 
</head>

<body class="wy-body-for-nav"> 
  <div class="wy-grid-for-nav">
    <nav data-toggle="wy-nav-shift" class="wy-nav-side">
      <div class="wy-side-scroll">
        <div class="wy-side-nav-search" >

          
          <a href="../index.html" class="icon icon-home">
            CherryUSB
          </a>
<div role="search">
  <form id="rtd-search-form" class="wy-form" action="../search.html" method="get">
    <input type="text" name="q" placeholder="Search docs" aria-label="Search docs" />
    <input type="hidden" name="check_keywords" value="yes" />
    <input type="hidden" name="area" value="default" />
  </form>
</div>
        </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu">
              <p class="caption" role="heading"><span class="caption-text">快速上手</span></p>
<ul>
<li class="toctree-l1"><a class="reference internal" href="../quick_start/start.html">入门必看</a></li>
<li class="toctree-l1"><a class="reference internal" href="../quick_start/demo.html">基于现有 demo 快速验证</a></li>
<li class="toctree-l1"><a class="reference internal" href="../quick_start/transplant.html">芯片通用移植指南</a></li>
<li class="toctree-l1"><a class="reference internal" href="../quick_start/rtthread.html">基于 RT-Thread 软件包开发指南</a></li>
<li class="toctree-l1"><a class="reference internal" href="../quick_start/esp.html">基于 ESP-Registry 开发指南</a></li>
<li class="toctree-l1"><a class="reference internal" href="../q%26a.html">Q &amp; A</a></li>
</ul>
<p class="caption" role="heading"><span class="caption-text">USB 基本知识点</span></p>
<ul class="current">
<li class="toctree-l1"><a class="reference internal" href="usb2.0_basic.html">USB 基本概念(2.0 为主)</a></li>
<li class="toctree-l1 current"><a class="current reference internal" href="#">USB 基本概念(3.0 为主)</a><ul>
<li class="toctree-l2"><a class="reference internal" href="#id1">简介</a></li>
<li class="toctree-l2"><a class="reference internal" href="#usb-2-0">与 USB 2.0 相同和不同点</a></li>
<li class="toctree-l2"><a class="reference internal" href="#link-layer">Link Layer</a><ul>
<li class="toctree-l3"><a class="reference internal" href="#lcw">LCW</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="#protocol-layer">Protocol Layer</a><ul>
<li class="toctree-l3"><a class="reference internal" href="#lmp">LMP</a></li>
<li class="toctree-l3"><a class="reference internal" href="#tp">TP</a></li>
<li class="toctree-l3"><a class="reference internal" href="#dp">DP</a></li>
<li class="toctree-l3"><a class="reference internal" href="#itp">ITP</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l1"><a class="reference internal" href="usb_desc.html">USB 描述符</a></li>
<li class="toctree-l1"><a class="reference internal" href="usb_request.html">USB 设备请求</a></li>
<li class="toctree-l1"><a class="reference internal" href="usb_enum.html">USB 枚举</a></li>
<li class="toctree-l1"><a class="reference internal" href="usb_ext.html">USB 知识点拓展</a></li>
</ul>
<p class="caption" role="heading"><span class="caption-text">API 手册</span></p>
<ul>
<li class="toctree-l1"><a class="reference internal" href="../api/api_device.html">设备协议栈</a></li>
<li class="toctree-l1"><a class="reference internal" href="../api/api_host.html">主机协议栈</a></li>
<li class="toctree-l1"><a class="reference internal" href="../api/api_port.html">主从驱动</a></li>
<li class="toctree-l1"><a class="reference internal" href="../api/api_config.html">USB CONFIG 说明</a></li>
</ul>
<p class="caption" role="heading"><span class="caption-text">Class 指南</span></p>
<ul>
<li class="toctree-l1"><a class="reference internal" href="../class/class_cdc.html">CDC</a></li>
<li class="toctree-l1"><a class="reference internal" href="../class/class_hid.html">HID</a></li>
<li class="toctree-l1"><a class="reference internal" href="../class/class_msc.html">MSC</a></li>
<li class="toctree-l1"><a class="reference internal" href="../class/class_audio.html">UAC</a></li>
<li class="toctree-l1"><a class="reference internal" href="../class/class_video.html">UVC</a></li>
<li class="toctree-l1"><a class="reference internal" href="../class/winusb.html">WINUSB</a></li>
</ul>
<p class="caption" role="heading"><span class="caption-text">例程说明</span></p>
<ul>
<li class="toctree-l1"><a class="reference internal" href="../demo/usbd_cdc_acm.html">usbd_cdc_acm</a></li>
<li class="toctree-l1"><a class="reference internal" href="../demo/usbd_hid.html">usbd_hid</a></li>
<li class="toctree-l1"><a class="reference internal" href="../demo/usbd_msc.html">usbd_msc</a></li>
<li class="toctree-l1"><a class="reference internal" href="../demo/usbd_rndis.html">usbd_rndis</a></li>
<li class="toctree-l1"><a class="reference internal" href="../demo/usbd_ecm.html">usbd_cdc_ecm</a></li>
<li class="toctree-l1"><a class="reference internal" href="../demo/usbd_audiov1.html">usbd_audiov1</a></li>
<li class="toctree-l1"><a class="reference internal" href="../demo/usbd_audiov2.html">usbd_audiov2</a></li>
<li class="toctree-l1"><a class="reference internal" href="../demo/usbd_video.html">usbd_video</a></li>
<li class="toctree-l1"><a class="reference internal" href="../demo/usbd_winusb.html">usbd_winusb</a></li>
<li class="toctree-l1"><a class="reference internal" href="../demo/usbd_webusb.html">usbd_webusb</a></li>
<li class="toctree-l1"><a class="reference internal" href="../demo/usbh_serial.html">usbh_serial</a></li>
<li class="toctree-l1"><a class="reference internal" href="../demo/usbh_hid.html">usbh_hid</a></li>
<li class="toctree-l1"><a class="reference internal" href="../demo/usbh_msc.html">usbh_msc</a></li>
<li class="toctree-l1"><a class="reference internal" href="../demo/usbh_net.html">usbh_net</a></li>
<li class="toctree-l1"><a class="reference internal" href="../demo/usbh_bluetooth.html">usbh_bluetooth</a></li>
<li class="toctree-l1"><a class="reference internal" href="../demo/usbh_wifi.html">usbh_wifi</a></li>
</ul>
<p class="caption" role="heading"><span class="caption-text">USBIP 介绍</span></p>
<ul>
<li class="toctree-l1"><a class="reference internal" href="../usbip/ohci.html">OHCI</a></li>
<li class="toctree-l1"><a class="reference internal" href="../usbip/ehci.html">EHCI</a></li>
<li class="toctree-l1"><a class="reference internal" href="../usbip/xhci.html">XHCI</a></li>
<li class="toctree-l1"><a class="reference internal" href="../usbip/chipidea.html">CHIPIDEA</a></li>
<li class="toctree-l1"><a class="reference internal" href="../usbip/dwc2.html">DWC2</a></li>
<li class="toctree-l1"><a class="reference internal" href="../usbip/musb.html">MUSB</a></li>
<li class="toctree-l1"><a class="reference internal" href="../usbip/fotg210.html">FOTG210</a></li>
<li class="toctree-l1"><a class="reference internal" href="../usbip/cdns2.html">CDNS2</a></li>
<li class="toctree-l1"><a class="reference internal" href="../usbip/cdns3.html">CDNS3</a></li>
<li class="toctree-l1"><a class="reference internal" href="../usbip/dwc3.html">DWC3</a></li>
</ul>
<p class="caption" role="heading"><span class="caption-text">工具使用</span></p>
<ul>
<li class="toctree-l1"><a class="reference internal" href="../tools/index.html">chryusb_configurator</a></li>
<li class="toctree-l1"><a class="reference internal" href="../tools/index.html#usb-protocol-suite">力科 USB Protocol Suite</a></li>
<li class="toctree-l1"><a class="reference internal" href="../tools/index.html#wireshark">Wireshark</a></li>
<li class="toctree-l1"><a class="reference internal" href="../tools/index.html#audacity">Audacity</a></li>
</ul>
<p class="caption" role="heading"><span class="caption-text">版本说明</span></p>
<ul>
<li class="toctree-l1"><a class="reference internal" href="../version.html">版本说明</a></li>
</ul>
<p class="caption" role="heading"><span class="caption-text">商业支持</span></p>
<ul>
<li class="toctree-l1"><a class="reference internal" href="../support/index.html">商业支持</a></li>
</ul>

        </div>
      </div>
    </nav>

    <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" >
          <i data-toggle="wy-nav-top" class="fa fa-bars"></i>
          <a href="../index.html">CherryUSB</a>
      </nav>

      <div class="wy-nav-content">
        <div class="rst-content">
          <div role="navigation" aria-label="Page navigation">
  <ul class="wy-breadcrumbs">
      <li><a href="../index.html" class="icon icon-home" aria-label="Home"></a></li>
      <li class="breadcrumb-item active">USB 基本概念(3.0 为主)</li>
      <li class="wy-breadcrumbs-aside">
            <a href="../_sources/usb/usb3.0_basic.rst.txt" rel="nofollow"> View page source</a>
      </li>
  </ul>
  <hr/>
</div>
          <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
           <div itemprop="articleBody">
             
  <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>
</section>
</section>
</section>


           </div>
          </div>
          <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer">
        <a href="usb2.0_basic.html" class="btn btn-neutral float-left" title="USB 基本概念(2.0 为主)" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a>
        <a href="usb_desc.html" class="btn btn-neutral float-right" title="USB 描述符" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a>
    </div>

  <hr/>

  <div role="contentinfo">
    <p>&#169; Copyright 2024, sakumisu.</p>
  </div>

  Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a
    <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a>
    provided by <a href="https://readthedocs.org">Read the Docs</a>.
   

</footer>
        </div>
      </div>
    </section>
  </div>
  <script>
      jQuery(function () {
          SphinxRtdTheme.Navigation.enable(true);
      });
  </script> 

</body>
</html>