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<span class="edit-link" style="font-size:12px; opacity:0.6; text-align:right; vertical-align:middle"><a target="_blank" href="http://aicdocco/taskstopics/ic/xspi/xspi-module.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">eXpanded Serial Peripheral Interface (xSPI)</h1>
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<div class="date inPage">15 Jan 2025</div><div style="color: gray;">
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Read time: 1 minute(s)
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<div class="- topic/body concept/conbody body conbody">
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<p class="- topic/p p" data-ofbid="d140674e30__20250409171046">xSPI 模块是一个高度灵活和可配置的接口，能够支持多种不同的串行和并行总线协议，包括外部并行总线 Xccela、HyperBus、OPI、<span class="- topic/ph ph">QPI、和</span>1/ 2/ 4/ 8 线 SPI。xSPI 模块可与外部 PSRAM、Flash
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存储设备等元器件实现连接，无需额外的硬件接口或适配器。</p>
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<section class="- topic/section section" id="expandedSerialPeripheralInterfaceXspi__section_elj_tkb_bzb" data-ofbid="expandedSerialPeripheralInterfaceXspi__section_elj_tkb_bzb"><h2 class="- topic/title title sectiontitle">功能特性</h2>
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<div class="- topic/p p" data-ofbid="d140674e41__20250409171046">
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<ul class="- topic/ul ul" id="expandedSerialPeripheralInterfaceXspi__ul_onr_qkb_bzb" data-ofbid="expandedSerialPeripheralInterfaceXspi__ul_onr_qkb_bzb">
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<li class="- topic/li li" data-ofbid="d140674e45__20250409171046">支持 Xccela 协议</li>
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<li class="- topic/li li" data-ofbid="d140674e48__20250409171046">支持 HyperBus 协议</li>
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<li class="- topic/li li" data-ofbid="d140674e51__20250409171046">支持 OPI 协议</li>
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<li class="- topic/li li" data-ofbid="d140674e54__20250409171046">支持 QPI 协议</li>
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<li class="- topic/li li" data-ofbid="d140674e57__20250409171046">支持 1/ 2/ 4/ 8 线 SPI</li>
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<li class="- topic/li li" data-ofbid="d140674e61__20250409171046">支持 200 MHz DDR/ SDR 采样</li>
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<li class="- topic/li li" data-ofbid="d140674e64__20250409171046">支持 XIP (eXecute In Place)</li>
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<li class="- topic/li li" data-ofbid="d140674e67__20250409171046">支持中断以及 DMA</li>
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<li class="- topic/li li" data-ofbid="d140674e70__20250409171046">支持两片并行读写数据</li>
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<li class="- topic/li li" data-ofbid="d140674e73__20250409171046">支持单片 16 bits 位宽读写数据</li>
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<li class="- topic/li li" data-ofbid="d140674e76__20250409171046">支持单片 8 bits 位宽读写数据</li>
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<li class="- topic/li li" data-ofbid="d140674e80__20250409171046">具有 16x32 bits TXFIFO 以及 16x32 bits RXFIFO</li>
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<li class="- topic/li li" data-ofbid="d140674e83__20250409171046">具有 512 MB 内存映射空间</li>
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</ul>
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</div>
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</section>
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<section class="- topic/section section" id="expandedSerialPeripheralInterfaceXspi__section_pnr_qkb_bzb" data-ofbid="expandedSerialPeripheralInterfaceXspi__section_pnr_qkb_bzb"><h2 class="- topic/title title sectiontitle">原理框图</h2>
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<figure class="- topic/fig fig fignone" id="expandedSerialPeripheralInterfaceXspi__fig_p1m_wkb_bzb" data-ofbid="expandedSerialPeripheralInterfaceXspi__fig_p1m_wkb_bzb">
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<br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="expandedSerialPeripheralInterfaceXspi__image_ycl_tzf_ycc" src="../../../images/spi/xspi-xspi-block-1609.svg" width="480"/></div><br/>
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<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">xspi_block</span></figcaption></figure>
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<div class=" wh_topic_toc "><div class="wh_topic_label">在本页上</div><ul><li class="section-item"><div class="section-title"><a href="#expandedSerialPeripheralInterfaceXspi__section_elj_tkb_bzb" data-tocid="expandedSerialPeripheralInterfaceXspi__section_elj_tkb_bzb">功能特性</a></div></li><li class="section-item"><div class="section-title"><a href="#expandedSerialPeripheralInterfaceXspi__section_pnr_qkb_bzb" data-tocid="expandedSerialPeripheralInterfaceXspi__section_pnr_qkb_bzb">原理框图</a></div></li></ul></div>
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