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刘可亮
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doc/topics/ic/ta-if/ta-if-a-format.html
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doc/topics/ic/ta-if/ta-if-a-format.html
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<!DOCTYPE html><html xmlns="http://www.w3.org/1999/xhtml" xml:lang="zh-cn" lang="zh-cn" data-whc_version="26.1">
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<head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><meta name="description" content="CDF CDF 组成结构如下： CDF，Command Data Field，只在发送过程涉及，由以下组成： Start bit：1'b0，固定值。 Sink code：3’b010，固定值。 Frame Code：2-bit，CDF 对应 2’b00。 Encoder Address：3-bit，编码器的地址。 Comand Code：5-bit，命令代码。 CRC code：3-bit，CRC ..."/><meta name="DC.rights.owner" content="(C) 版权 2025"/><meta name="copyright" content="(C) 版权 2025"/><meta name="generator" content="DITA-OT"/><meta name="DC.type" content="concept"/><meta name="DC.contributor" content="yan.wang"/><meta name="DC.date.modified" content="2024-12-18"/><meta name="DC.format" content="HTML5"/><meta name="DC.identifier" content="a_format_0"/><meta name="DC.language" content="zh-CN"/><title>A-Format 域</title><meta name="wh-path2root" content="../../../"/><meta name="wh-toc-id" content=""/><meta name="wh-source-relpath" content="topics/ic/ta-if/ta-if-a-format.dita"/><meta name="wh-out-relpath" content="topics/ic/ta-if/ta-if-a-format.html"/>
|
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<head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><meta name="description" content="CDF CDF 组成结构如下： CDF，Command Data Field，只在发送过程涉及，由以下组成： Start bit：1'b0，固定值。 Sink code：3’b010，固定值。 Frame Code：2-bit，CDF 对应 2’b00。 Encoder Address：3-bit，编码器的地址。 Comand Code：5-bit，命令代码。 CRC code：3-bit，CRC ..."/><meta name="DC.rights.owner" content="(C) 版权 2025"/><meta name="copyright" content="(C) 版权 2025"/><meta name="generator" content="DITA-OT"/><meta name="DC.type" content="concept"/><meta name="DC.contributor" content="yan.wang"/><meta name="DC.date.modified" content="2024-12-18"/><meta name="DC.format" content="HTML5"/><meta name="DC.identifier" content="a_format_0"/><meta name="DC.language" content="zh-CN"/><title>A-Format 域</title><!-- Generated with build number 2025051600. --><meta name="wh-path2root" content="../../../"/><meta name="wh-toc-id" content=""/><meta name="wh-source-relpath" content="topics/ic/ta-if/ta-if-a-format.dita"/><meta name="wh-out-relpath" content="topics/ic/ta-if/ta-if-a-format.html"/>
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|
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<link rel="stylesheet" type="text/css" href="../../../webhelp/template/css/aic-styles-web-internal.css?buildId=2024041900"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/css/notes.css?buildId=2024041900"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/css/aic-common.css?buildId=2024041900"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/css/aic-images.css?buildId=2024041900"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/css/footnote.css?buildId=2024041900"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/css/aic-highlight-changes.css?buildId=2024041900"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/css/search-in-header.css?buildId=2024041900"/><link rel="stylesheet" type="text/css" href="../../../webhelp/template/css/topic-body-list.css?buildId=2024041900"/></head>
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@@ -102,132 +102,132 @@
|
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Read time: 2 minute(s)
|
||||
</div>
|
||||
<div class="- topic/body concept/conbody body conbody">
|
||||
<section class="- topic/section section" id="a_format_0__section_d4d_stw_ryb" data-ofbid="a_format_0__section_d4d_stw_ryb"><h2 class="- topic/title title sectiontitle">CDF</h2><p class="- topic/p p" data-ofbid="d75095e34__20250409171037">CDF 组成结构如下：</p><div class="- topic/p p" data-ofbid="d75095e36__20250409171037">
|
||||
<section class="- topic/section section" id="a_format_0__section_d4d_stw_ryb" data-ofbid="a_format_0__section_d4d_stw_ryb"><h2 class="- topic/title title sectiontitle">CDF</h2><p class="- topic/p p" data-ofbid="d76770e34__20250519091512">CDF 组成结构如下：</p><div class="- topic/p p" data-ofbid="d76770e36__20250519091512">
|
||||
|
||||
<br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="a_format_0__image_f4d_stw_ryb" src="../../../images/ta_if/ta_if_cdf.png" width="576"/></div><br/>
|
||||
</div><p class="- topic/p p" data-ofbid="d75095e40__20250409171037">CDF，Command Data Field，只在发送过程涉及，由以下组成：</p><ul class="- topic/ul ul" id="a_format_0__ul_g4d_stw_ryb" data-ofbid="a_format_0__ul_g4d_stw_ryb">
|
||||
<li class="- topic/li li" data-ofbid="d75095e44__20250409171037">
|
||||
<p class="- topic/p p" data-ofbid="d75095e46__20250409171037">Start bit：1'b0，固定值。</p>
|
||||
</div><p class="- topic/p p" data-ofbid="d76770e40__20250519091512">CDF，Command Data Field，只在发送过程涉及，由以下组成：</p><ul class="- topic/ul ul" id="a_format_0__ul_g4d_stw_ryb" data-ofbid="a_format_0__ul_g4d_stw_ryb">
|
||||
<li class="- topic/li li" data-ofbid="d76770e44__20250519091512">
|
||||
<p class="- topic/p p" data-ofbid="d76770e46__20250519091512">Start bit：1'b0，固定值。</p>
|
||||
</li>
|
||||
<li class="- topic/li li" data-ofbid="d75095e50__20250409171037">
|
||||
<p class="- topic/p p" data-ofbid="d75095e52__20250409171037">Sink code：3’b010，固定值。</p>
|
||||
<li class="- topic/li li" data-ofbid="d76770e50__20250519091512">
|
||||
<p class="- topic/p p" data-ofbid="d76770e52__20250519091512">Sink code：3’b010，固定值。</p>
|
||||
</li>
|
||||
<li class="- topic/li li" data-ofbid="d75095e56__20250409171037">
|
||||
<p class="- topic/p p" data-ofbid="d75095e58__20250409171037">Frame Code：2-bit，CDF 对应 2’b00。</p>
|
||||
<li class="- topic/li li" data-ofbid="d76770e56__20250519091512">
|
||||
<p class="- topic/p p" data-ofbid="d76770e58__20250519091512">Frame Code：2-bit，CDF 对应 2’b00。</p>
|
||||
</li>
|
||||
<li class="- topic/li li" data-ofbid="d75095e62__20250409171037">
|
||||
<p class="- topic/p p" data-ofbid="d75095e64__20250409171037">Encoder Address：3-bit，编码器的地址。</p>
|
||||
<li class="- topic/li li" data-ofbid="d76770e62__20250519091512">
|
||||
<p class="- topic/p p" data-ofbid="d76770e64__20250519091512">Encoder Address：3-bit，编码器的地址。</p>
|
||||
</li>
|
||||
<li class="- topic/li li" data-ofbid="d75095e68__20250409171037">
|
||||
<p class="- topic/p p" data-ofbid="d75095e70__20250409171037">Comand Code：5-bit，命令代码。</p>
|
||||
<li class="- topic/li li" data-ofbid="d76770e68__20250519091512">
|
||||
<p class="- topic/p p" data-ofbid="d76770e70__20250519091512">Comand Code：5-bit，命令代码。</p>
|
||||
</li>
|
||||
<li class="- topic/li li" data-ofbid="d75095e75__20250409171037">
|
||||
<p class="- topic/p p" data-ofbid="d75095e77__20250409171037">CRC code：3-bit，CRC 校验码，生成多项式为 X^3+X+1，计算范围除了 Start Bit、Stop Bit 和 Sink Code
|
||||
<li class="- topic/li li" data-ofbid="d76770e75__20250519091512">
|
||||
<p class="- topic/p p" data-ofbid="d76770e77__20250519091512">CRC code：3-bit，CRC 校验码，生成多项式为 X^3+X+1，计算范围除了 Start Bit、Stop Bit 和 Sink Code
|
||||
以外的所有 bit，这里需要硬件自动计算生成。</p>
|
||||
</li>
|
||||
<li class="- topic/li li" data-ofbid="d75095e81__20250409171037">
|
||||
<p class="- topic/p p" data-ofbid="d75095e83__20250409171037">Delimiter：1'b1，固定值。</p>
|
||||
<li class="- topic/li li" data-ofbid="d76770e81__20250519091512">
|
||||
<p class="- topic/p p" data-ofbid="d76770e83__20250519091512">Delimiter：1'b1，固定值。</p>
|
||||
</li>
|
||||
</ul></section>
|
||||
<section class="- topic/section section" id="a_format_0__section_h4d_stw_ryb" data-ofbid="a_format_0__section_h4d_stw_ryb"><h2 class="- topic/title title sectiontitle">MDF</h2><p class="- topic/p p" data-ofbid="d75095e91__20250409171037">MDF 组成结构如下：</p><div class="- topic/p p" data-ofbid="d75095e93__20250409171037">
|
||||
<section class="- topic/section section" id="a_format_0__section_h4d_stw_ryb" data-ofbid="a_format_0__section_h4d_stw_ryb"><h2 class="- topic/title title sectiontitle">MDF</h2><p class="- topic/p p" data-ofbid="d76770e91__20250519091512">MDF 组成结构如下：</p><div class="- topic/p p" data-ofbid="d76770e93__20250519091512">
|
||||
|
||||
<br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="a_format_0__image_j4d_stw_ryb" src="../../../images/ta_if/mdf.png" width="576"/></div><br/>
|
||||
</div><p class="- topic/p p" data-ofbid="d75095e97__20250409171037">MDF0/ 1/ 2，Memory Data Field 0/ 1/ 2，只在发送过程涉及，由以下组成：</p><ul class="- topic/ul ul" id="a_format_0__ul_k4d_stw_ryb" data-ofbid="a_format_0__ul_k4d_stw_ryb">
|
||||
<li class="- topic/li li" data-ofbid="d75095e101__20250409171037">
|
||||
<p class="- topic/p p" data-ofbid="d75095e103__20250409171037">Start bit：1'b0，固定值。</p>
|
||||
</div><p class="- topic/p p" data-ofbid="d76770e97__20250519091512">MDF0/ 1/ 2，Memory Data Field 0/ 1/ 2，只在发送过程涉及，由以下组成：</p><ul class="- topic/ul ul" id="a_format_0__ul_k4d_stw_ryb" data-ofbid="a_format_0__ul_k4d_stw_ryb">
|
||||
<li class="- topic/li li" data-ofbid="d76770e101__20250519091512">
|
||||
<p class="- topic/p p" data-ofbid="d76770e103__20250519091512">Start bit：1'b0，固定值。</p>
|
||||
</li>
|
||||
<li class="- topic/li li" data-ofbid="d75095e107__20250409171037">
|
||||
<p class="- topic/p p" data-ofbid="d75095e109__20250409171037">Sink code：3’b010，固定值。</p>
|
||||
<li class="- topic/li li" data-ofbid="d76770e107__20250519091512">
|
||||
<p class="- topic/p p" data-ofbid="d76770e109__20250519091512">Sink code：3’b010，固定值。</p>
|
||||
</li>
|
||||
<li class="- topic/li li" data-ofbid="d75095e113__20250409171037">
|
||||
<p class="- topic/p p" data-ofbid="d75095e115__20250409171037">Frame Code：2-bit，MDF0 对应 2’b01，MDF1 对应 2’b10，MDF2 对应 2’b11。</p>
|
||||
<li class="- topic/li li" data-ofbid="d76770e113__20250519091512">
|
||||
<p class="- topic/p p" data-ofbid="d76770e115__20250519091512">Frame Code：2-bit，MDF0 对应 2’b01，MDF1 对应 2’b10，MDF2 对应 2’b11。</p>
|
||||
</li>
|
||||
<li class="- topic/li li" data-ofbid="d75095e119__20250409171037">
|
||||
<p class="- topic/p p" data-ofbid="d75095e121__20250409171037">Data bit：8-bit，数据位。</p>
|
||||
<li class="- topic/li li" data-ofbid="d76770e119__20250519091512">
|
||||
<p class="- topic/p p" data-ofbid="d76770e121__20250519091512">Data bit：8-bit，数据位。</p>
|
||||
</li>
|
||||
<li class="- topic/li li" data-ofbid="d75095e125__20250409171037">
|
||||
<p class="- topic/p p" data-ofbid="d75095e127__20250409171037">CRC code：3-bit，CRC 校验码，生成多项式为 X^3+X+1，计算范围除了 Start Bit、Stop Bit 和 Sink Code
|
||||
<li class="- topic/li li" data-ofbid="d76770e125__20250519091512">
|
||||
<p class="- topic/p p" data-ofbid="d76770e127__20250519091512">CRC code：3-bit，CRC 校验码，生成多项式为 X^3+X+1，计算范围除了 Start Bit、Stop Bit 和 Sink Code
|
||||
以外的所有 bit，这里需要硬件自动生成。</p>
|
||||
</li>
|
||||
<li class="- topic/li li" data-ofbid="d75095e132__20250409171037">
|
||||
<p class="- topic/p p" data-ofbid="d75095e134__20250409171037">Delimiter：1'b1，固定值。</p>
|
||||
<li class="- topic/li li" data-ofbid="d76770e132__20250519091512">
|
||||
<p class="- topic/p p" data-ofbid="d76770e134__20250519091512">Delimiter：1'b1，固定值。</p>
|
||||
</li>
|
||||
</ul></section>
|
||||
<section class="- topic/section section" id="a_format_0__section_l4d_stw_ryb" data-ofbid="a_format_0__section_l4d_stw_ryb"><h2 class="- topic/title title sectiontitle">IF</h2><p class="- topic/p p" data-ofbid="d75095e142__20250409171037">IF 只在接收过程涉及，其格式与 CDF 命令有关。</p><p class="- topic/p p" data-ofbid="d75095e144__20250409171037">当 CDF 为 CDF0~CDF20，适用以下的格式：</p><div class="- topic/p p" data-ofbid="d75095e146__20250409171037">
|
||||
<section class="- topic/section section" id="a_format_0__section_l4d_stw_ryb" data-ofbid="a_format_0__section_l4d_stw_ryb"><h2 class="- topic/title title sectiontitle">IF</h2><p class="- topic/p p" data-ofbid="d76770e142__20250519091512">IF 只在接收过程涉及，其格式与 CDF 命令有关。</p><p class="- topic/p p" data-ofbid="d76770e144__20250519091512">当 CDF 为 CDF0~CDF20，适用以下的格式：</p><div class="- topic/p p" data-ofbid="d76770e146__20250519091512">
|
||||
|
||||
<br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="a_format_0__image_m4d_stw_ryb" src="../../../images/ta_if/ta_if_a_format_field_if1.png" width="576"/></div><br/>
|
||||
</div><ul class="- topic/ul ul" id="a_format_0__ul_n4d_stw_ryb" data-ofbid="a_format_0__ul_n4d_stw_ryb">
|
||||
<li class="- topic/li li" data-ofbid="d75095e152__20250409171037">
|
||||
<p class="- topic/p p" data-ofbid="d75095e154__20250409171037">Start bit：1'b0，固定值。</p>
|
||||
<li class="- topic/li li" data-ofbid="d76770e152__20250519091512">
|
||||
<p class="- topic/p p" data-ofbid="d76770e154__20250519091512">Start bit：1'b0，固定值。</p>
|
||||
</li>
|
||||
<li class="- topic/li li" data-ofbid="d75095e158__20250409171037">
|
||||
<p class="- topic/p p" data-ofbid="d75095e160__20250409171037">Sink code：3’b100，固定值。</p>
|
||||
<li class="- topic/li li" data-ofbid="d76770e158__20250519091512">
|
||||
<p class="- topic/p p" data-ofbid="d76770e160__20250519091512">Sink code：3’b100，固定值。</p>
|
||||
</li>
|
||||
<li class="- topic/li li" data-ofbid="d75095e164__20250409171037">
|
||||
<p class="- topic/p p" data-ofbid="d75095e166__20250409171037">Encoder Address：3-bit，接收的编码器地址应该与发送的编码器地址一致，不一致则产生错误状态。</p>
|
||||
<li class="- topic/li li" data-ofbid="d76770e164__20250519091512">
|
||||
<p class="- topic/p p" data-ofbid="d76770e166__20250519091512">Encoder Address：3-bit，接收的编码器地址应该与发送的编码器地址一致，不一致则产生错误状态。</p>
|
||||
</li>
|
||||
<li class="- topic/li li" data-ofbid="d75095e170__20250409171037">
|
||||
<p class="- topic/p p" data-ofbid="d75095e172__20250409171037">Command Code：5-bit，接收的 Command Code 应该与发送的 一致，不一致则产生错误状态。</p>
|
||||
<li class="- topic/li li" data-ofbid="d76770e170__20250519091512">
|
||||
<p class="- topic/p p" data-ofbid="d76770e172__20250519091512">Command Code：5-bit，接收的 Command Code 应该与发送的 一致，不一致则产生错误状态。</p>
|
||||
</li>
|
||||
<li class="- topic/li li" data-ofbid="d75095e176__20250409171037">
|
||||
<p class="- topic/p p" data-ofbid="d75095e178__20250409171037">Encoder Status：4-bit。</p>
|
||||
<li class="- topic/li li" data-ofbid="d76770e176__20250519091512">
|
||||
<p class="- topic/p p" data-ofbid="d76770e178__20250519091512">Encoder Status：4-bit。</p>
|
||||
</li>
|
||||
<li class="- topic/li li" data-ofbid="d75095e183__20250409171037">
|
||||
<p class="- topic/p p" data-ofbid="d75095e185__20250409171037">Delimiter：1'b1，固定值。</p>
|
||||
<li class="- topic/li li" data-ofbid="d76770e183__20250519091512">
|
||||
<p class="- topic/p p" data-ofbid="d76770e185__20250519091512">Delimiter：1'b1，固定值。</p>
|
||||
</li>
|
||||
</ul><p class="- topic/p p" data-ofbid="d75095e189__20250409171037">当 CDF 为 CDF21/ 22，适用以下的格式：</p><div class="- topic/p p" data-ofbid="d75095e191__20250409171037">
|
||||
</ul><p class="- topic/p p" data-ofbid="d76770e189__20250519091512">当 CDF 为 CDF21/ 22，适用以下的格式：</p><div class="- topic/p p" data-ofbid="d76770e191__20250519091512">
|
||||
|
||||
<br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="a_format_0__image_o4d_stw_ryb" src="../../../images/ta_if/ta_if_a_format_field_if2.png" width="576"/></div><br/>
|
||||
</div><ul class="- topic/ul ul" id="a_format_0__ul_p4d_stw_ryb" data-ofbid="a_format_0__ul_p4d_stw_ryb">
|
||||
<li class="- topic/li li" data-ofbid="d75095e197__20250409171037">
|
||||
<p class="- topic/p p" data-ofbid="d75095e199__20250409171037">Start bit：1'b0，固定值。</p>
|
||||
<li class="- topic/li li" data-ofbid="d76770e197__20250519091512">
|
||||
<p class="- topic/p p" data-ofbid="d76770e199__20250519091512">Start bit：1'b0，固定值。</p>
|
||||
</li>
|
||||
<li class="- topic/li li" data-ofbid="d75095e203__20250409171037">
|
||||
<p class="- topic/p p" data-ofbid="d75095e205__20250409171037">Sink code：3’b100，固定值。</p>
|
||||
<li class="- topic/li li" data-ofbid="d76770e203__20250519091512">
|
||||
<p class="- topic/p p" data-ofbid="d76770e205__20250519091512">Sink code：3’b100，固定值。</p>
|
||||
</li>
|
||||
<li class="- topic/li li" data-ofbid="d75095e209__20250409171037">
|
||||
<p class="- topic/p p" data-ofbid="d75095e211__20250409171037">EAX：3-bit。</p>
|
||||
<li class="- topic/li li" data-ofbid="d76770e209__20250519091512">
|
||||
<p class="- topic/p p" data-ofbid="d76770e211__20250519091512">EAX：3-bit。</p>
|
||||
</li>
|
||||
<li class="- topic/li li" data-ofbid="d75095e215__20250409171037">
|
||||
<p class="- topic/p p" data-ofbid="d75095e217__20250409171037">ES：1-bit，状态位，ES = ES0 + ES1 + ES2 + ES3。</p>
|
||||
<li class="- topic/li li" data-ofbid="d76770e215__20250519091512">
|
||||
<p class="- topic/p p" data-ofbid="d76770e217__20250519091512">ES：1-bit，状态位，ES = ES0 + ES1 + ES2 + ES3。</p>
|
||||
</li>
|
||||
<li class="- topic/li li" data-ofbid="d75095e221__20250409171037">
|
||||
<p class="- topic/p p" data-ofbid="d75095e223__20250409171037">Data bit：9-bit，数据位。</p>
|
||||
<li class="- topic/li li" data-ofbid="d76770e221__20250519091512">
|
||||
<p class="- topic/p p" data-ofbid="d76770e223__20250519091512">Data bit：9-bit，数据位。</p>
|
||||
</li>
|
||||
<li class="- topic/li li" data-ofbid="d75095e228__20250409171037">
|
||||
<p class="- topic/p p" data-ofbid="d75095e230__20250409171037">Delimiter：1'b1，固定值。</p>
|
||||
<li class="- topic/li li" data-ofbid="d76770e228__20250519091512">
|
||||
<p class="- topic/p p" data-ofbid="d76770e230__20250519091512">Delimiter：1'b1，固定值。</p>
|
||||
</li>
|
||||
</ul></section>
|
||||
<section class="- topic/section section" id="a_format_0__section_q4d_stw_ryb" data-ofbid="a_format_0__section_q4d_stw_ryb"><h2 class="- topic/title title sectiontitle">DF0/ 1/ 2</h2><p class="- topic/p p" data-ofbid="d75095e238__20250409171037">DF0/ 1/ 2 组成结构如下：</p><div class="- topic/p p" data-ofbid="d75095e240__20250409171037"><br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="a_format_0__image_s4d_stw_ryb" src="../../../images/ta_if/ta_if_a_format_field_df.png" width="672"/></div><br/></div><p class="- topic/p p" data-ofbid="d75095e242__20250409171037">DF0/ 1/ 2，Data Field 0/ 1/ 2，只在接收过程涉及，DF 的数量与 CDF 有关，由以下组成：</p><ul class="- topic/ul ul" id="a_format_0__ul_t4d_stw_ryb" data-ofbid="a_format_0__ul_t4d_stw_ryb">
|
||||
<li class="- topic/li li" data-ofbid="d75095e246__20250409171037">
|
||||
<p class="- topic/p p" data-ofbid="d75095e248__20250409171037">Start bit：1'b0，固定值。</p>
|
||||
<section class="- topic/section section" id="a_format_0__section_q4d_stw_ryb" data-ofbid="a_format_0__section_q4d_stw_ryb"><h2 class="- topic/title title sectiontitle">DF0/ 1/ 2</h2><p class="- topic/p p" data-ofbid="d76770e238__20250519091512">DF0/ 1/ 2 组成结构如下：</p><div class="- topic/p p" data-ofbid="d76770e240__20250519091512"><br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="a_format_0__image_s4d_stw_ryb" src="../../../images/ta_if/ta_if_a_format_field_df.png" width="672"/></div><br/></div><p class="- topic/p p" data-ofbid="d76770e242__20250519091512">DF0/ 1/ 2，Data Field 0/ 1/ 2，只在接收过程涉及，DF 的数量与 CDF 有关，由以下组成：</p><ul class="- topic/ul ul" id="a_format_0__ul_t4d_stw_ryb" data-ofbid="a_format_0__ul_t4d_stw_ryb">
|
||||
<li class="- topic/li li" data-ofbid="d76770e246__20250519091512">
|
||||
<p class="- topic/p p" data-ofbid="d76770e248__20250519091512">Start bit：1'b0，固定值。</p>
|
||||
</li>
|
||||
<li class="- topic/li li" data-ofbid="d75095e252__20250409171037">
|
||||
<p class="- topic/p p" data-ofbid="d75095e254__20250409171037">Data bit：16-bit，数据位。</p>
|
||||
<li class="- topic/li li" data-ofbid="d76770e252__20250519091512">
|
||||
<p class="- topic/p p" data-ofbid="d76770e254__20250519091512">Data bit：16-bit，数据位。</p>
|
||||
</li>
|
||||
<li class="- topic/li li" data-ofbid="d75095e258__20250409171037">
|
||||
<p class="- topic/p p" data-ofbid="d75095e260__20250409171037">Delimiter：1'b1，固定值。</p>
|
||||
<li class="- topic/li li" data-ofbid="d76770e258__20250519091512">
|
||||
<p class="- topic/p p" data-ofbid="d76770e260__20250519091512">Delimiter：1'b1，固定值。</p>
|
||||
</li>
|
||||
</ul></section>
|
||||
<section class="- topic/section section" id="a_format_0__section_u4d_stw_ryb" data-ofbid="a_format_0__section_u4d_stw_ryb"><h2 class="- topic/title title sectiontitle">RX_CRC_ERR</h2>
|
||||
|
||||
<p class="- topic/p p" data-ofbid="d75095e270__20250409171037">对于接收到的编码器的数据，包含了 8 bits CRC 码，CRC 码的生成多项式为
|
||||
<p class="- topic/p p" data-ofbid="d76770e270__20250519091512">对于接收到的编码器的数据，包含了 8 bits CRC 码，CRC 码的生成多项式为
|
||||
X^<sup class="+ topic/ph hi-d/sup ph sup">8</sup>+X<sup class="+ topic/ph hi-d/sup ph sup">4</sup>+X<sup class="+ topic/ph hi-d/sup ph sup">3</sup>+X<sup class="+ topic/ph hi-d/sup ph sup">2</sup>+1，计算的范围为所有接收的
|
||||
Field，除去起始位和截止位的数据。 以下是 3 field 的 CRC 计算示例：</p>
|
||||
<div class="table-container"><table class="- topic/table table frame-all" id="a_format_0__id29" data-ofbid="a_format_0__id29" 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">CRC 计算举例</span></caption><colgroup><col style="width:33.33333333333333%"/><col style="width:33.33333333333333%"/><col style="width:33.33333333333333%"/></colgroup><thead class="- topic/thead thead">
|
||||
<tr class="- topic/row">
|
||||
<th class="- topic/entry entry colsep-0 rowsep-0" id="a_format_0__id29__entry__1"><p class="- topic/p p" data-ofbid="d75095e303__20250409171037">IF</p></th>
|
||||
<th class="- topic/entry entry colsep-0 rowsep-0" id="a_format_0__id29__entry__2"><p class="- topic/p p" data-ofbid="d75095e307__20250409171037">DF0</p></th>
|
||||
<th class="- topic/entry entry colsep-0 rowsep-0" id="a_format_0__id29__entry__3"><p class="- topic/p p" data-ofbid="d75095e311__20250409171037">DF1</p></th>
|
||||
<th class="- topic/entry entry colsep-0 rowsep-0" id="a_format_0__id29__entry__1"><p class="- topic/p p" data-ofbid="d76770e303__20250519091512">IF</p></th>
|
||||
<th class="- topic/entry entry colsep-0 rowsep-0" id="a_format_0__id29__entry__2"><p class="- topic/p p" data-ofbid="d76770e307__20250519091512">DF0</p></th>
|
||||
<th class="- topic/entry entry colsep-0 rowsep-0" id="a_format_0__id29__entry__3"><p class="- topic/p p" data-ofbid="d76770e311__20250519091512">DF1</p></th>
|
||||
</tr>
|
||||
</thead><tbody class="- topic/tbody tbody">
|
||||
<tr class="- topic/row">
|
||||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="a_format_0__id29__entry__1"><p class="- topic/p p" data-ofbid="d75095e321__20250409171037">00111110 00000011</p></td>
|
||||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="a_format_0__id29__entry__2"><p class="- topic/p p" data-ofbid="d75095e325__20250409171037">00000000 11101111</p></td>
|
||||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="a_format_0__id29__entry__3"><p class="- topic/p p" data-ofbid="d75095e329__20250409171037">11011111 00110101</p></td>
|
||||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="a_format_0__id29__entry__1"><p class="- topic/p p" data-ofbid="d76770e321__20250519091512">00111110 00000011</p></td>
|
||||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="a_format_0__id29__entry__2"><p class="- topic/p p" data-ofbid="d76770e325__20250519091512">00000000 11101111</p></td>
|
||||
<td class="- topic/entry entry colsep-0 rowsep-0" headers="a_format_0__id29__entry__3"><p class="- topic/p p" data-ofbid="d76770e329__20250519091512">11011111 00110101</p></td>
|
||||
</tr>
|
||||
</tbody></table></div>
|
||||
<p class="- topic/p p" data-ofbid="d75095e336__20250409171037">对于 RX 数据域的 CRC，支持对该 CRC 码的验证，如果 CRC
|
||||
<p class="- topic/p p" data-ofbid="d76770e336__20250519091512">对于 RX 数据域的 CRC，支持对该 CRC 码的验证，如果 CRC
|
||||
码不正确，则在
|
||||
RX_ASTS 寄存器中相应的 BIT 位指示校验不正确。</p>
|
||||
</section>
|
||||
@@ -274,7 +274,7 @@
|
||||
</div>
|
||||
<div>
|
||||
<div class="generation_time">
|
||||
Update Time: 2025-04-09
|
||||
Update Time: 2025-05-19
|
||||
</div>
|
||||
</div>
|
||||
|
||||
|
||||
Reference in New Issue
Block a user