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<div class=" wh_topic_content body "><main role="main"><article class="- topic/topic topic" role="article" aria-labelledby="ariaid-title1"><span class="edit-link" style="font-size:12px; opacity:0.6; text-align:right; vertical-align:middle"><a target="_blank" href="http://172.16.35.88/tasks/jdssno1uvvbf2mltu9kb9v3if05d5gopuakboe8hlud18rma/edit/F:/aicdita/aicdita-cn/topics/sdk/mtop/mtop_user_guide.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">MTOP 使用指南</h1><div class="date inPage">15 Jan 2024</div><div style="color: gray;"></div><div class="- topic/body body"><p class="- topic/p p" data-ofbid="d307276e19__20250121171813">Memory top (MTOP) 是一个用于系统总线端口带宽监控的工具，可以帮助用户实时监测和分析系统总线上的数据传输情况，以便更好地管理和优化系统性能。</p><div class="table-container"><table class="- topic/table table frame-all" id="id__table_xkl_53d_bdc" data-ofbid="id__table_xkl_53d_bdc" data-cols="3"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 1</span><span class="table--title-label-punctuation">. </span></span><span class="table--title"></span></caption><colgroup><col style="width:28.985507246376812%"/><col style="width:35.07246376811594%"/><col style="width:35.94202898550725%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_xkl_53d_bdc__entry__1">术语</th><th class="- topic/entry entry colsep-1 rowsep-1" id="id__table_xkl_53d_bdc__entry__2">定义</th><th class="- topic/entry entry colsep-0 rowsep-1" id="id__table_xkl_53d_bdc__entry__3">注释说明</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_xkl_53d_bdc__entry__1">MTOP</td><td class="- topic/entry entry colsep-1 rowsep-0" headers="id__table_xkl_53d_bdc__entry__2">Memory top</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="id__table_xkl_53d_bdc__entry__3">带宽检测器</td></tr></tbody></table></div><figure class="- topic/fig fig fignone" id="id__fig_b5m_n5z_cdc" data-ofbid="id__fig_b5m_n5z_cdc"><br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="id__image_ykl_53d_bdc" src="../../../images/mtop/mtop_diagram.png" alt="mtop_diagram"/></div><br/><figcaption data-caption-side="bottom" class="- topic/title title figcapcenter"><span class="figtitleprefix fig--title-label">图<span class="fig--title-label-number"> 1</span><span class="fig--title-label-punctuation">. </span></span><span class="fig--title">MTOP 原理框图</span></figcaption></figure><p class="- topic/p p" data-ofbid="d307276e52__20250121171813">该模块的基本特性：</p><ul class="- topic/ul ul simple" id="id__ul_zkl_53d_bdc" data-ofbid="id__ul_zkl_53d_bdc"><li class="- topic/li li" data-ofbid="d307276e55__20250121171813">
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<p class="- topic/p p" data-ofbid="d307276e57__20250121171813">支持自动循环模式和手动触发模式</p>
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</li><li class="- topic/li li" data-ofbid="d307276e60__20250121171813">
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<p class="- topic/p p" data-ofbid="d307276e62__20250121171813">循环累计带宽数据，循环周期最大为 2<sup class="+ topic/ph hi-d/sup ph sup">32</sup>个 APB 时钟周期</p>
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</li><li class="- topic/li li" data-ofbid="d307276e68__20250121171813">
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<p class="- topic/p p" data-ofbid="d307276e70__20250121171813">4 组 AXI 总线，每组 AXI 最多 7 个端口，每个端口统计，读写分开统计</p>
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