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<div class=" wh_topic_content body "><main role="main"><article class="- topic/topic concept/concept topic concept" 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://aicdocco/taskstopics/ic/ta-if/ta_interface_ta_if.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">T-Format/ A-Format Absolute Encoder Interface (TA_IF)</h1>
<div class="date inPage">8 Apr 2025</div><div style="color: gray;">
Read time: 1 minute(s)
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<div class="- topic/body concept/conbody body conbody">
<p class="- topic/p p" data-ofbid="d79794e31__20250409171038">T-Format / A-Format Absolute Encoder Interface (TA-AEI),简称 TA_IF即 TA 绝对值编码器接口,主要用作
Master控制 T-Format/ A-Format 接口的绝对值编码器。Tamgawa 的编码器接口格式对应为 T-FormatNikon 编码器接口格式对应为
A-Format。</p>
<p class="- topic/p p" data-ofbid="d79794e34__20250409171038">TA_IF
通过特定的通信协议和信号线,将编码器测量到的物理量(如位置和角度)转换为数字信号传输给控制器。控制器接收到信号后,按照既定的规则进行解析,从而得到准确的测量值。</p>
<section class="- topic/section section" id="ta_interface_ta_if__section_pfq_4kk_qbc" data-ofbid="ta_interface_ta_if__section_pfq_4kk_qbc"><h2 class="- topic/title title sectiontitle">特性说明</h2>
<ul class="- topic/ul ul" id="ta_interface_ta_if__ul_all_hlk_qbc" data-ofbid="ta_interface_ta_if__ul_all_hlk_qbc">
<li class="- topic/li li" data-ofbid="d79794e44__20250409171038">支持 T-Format 和 A-FormatA-Format 只支持点对点模式)。</li>
<li class="- topic/li li" data-ofbid="d79794e47__20250409171038">波特率支持 2.5 Mbps/ 4 Mbps/ 6.6 Mbps/ 8 Mbps/ 16 Mbps。</li>
<li class="- topic/li li" data-ofbid="d79794e50__20250409171038">支持编码器绝对值位置数据解码。</li>
</ul>
</section>
<section class="- topic/section section" id="ta_interface_ta_if__section_igv_qmk_qbc" data-ofbid="ta_interface_ta_if__section_igv_qmk_qbc"><h2 class="- topic/title title sectiontitle">原理框图</h2>
<div class="- topic/p p" data-ofbid="d79794e60__20250409171038"><br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="ta_interface_ta_if__image_sk2_mnk_qbc" src="../../../images/ta_if/ta_principle.png" width="672"/></div><br/></div>
<div class="- topic/p p" data-ofbid="d79794e63__20250409171038">外部接口说明如下:<ul class="- topic/ul ul" id="ta_interface_ta_if__ul_jcl_trw_ryb" data-ofbid="ta_interface_ta_if__ul_jcl_trw_ryb">
<li class="- topic/li li" data-ofbid="d79794e67__20250409171038">
<p class="- topic/p p" data-ofbid="d79794e69__20250409171038">TA-DE用于驱动外部的 RS485 芯片,自动切换 Dirver 和 Reception 状态。</p>
</li>
<li class="- topic/li li" data-ofbid="d79794e73__20250409171038">
<p class="- topic/p p" data-ofbid="d79794e75__20250409171038">TA-DIO输入输出数据信号。</p>
</li>
</ul></div>
</section>
<section class="- topic/section section" id="ta_interface_ta_if__section_ksy_lxj_syb" data-ofbid="ta_interface_ta_if__section_ksy_lxj_syb"><h2 class="- topic/title title sectiontitle">实时控制外设互联图</h2>
<figure class="- topic/fig fig fignone" id="ta_interface_ta_if__fig_grn_kcr_5bc" data-ofbid="ta_interface_ta_if__fig_grn_kcr_5bc">
<br/><div class="imagecenter"><img class="- topic/image image imagecenter" id="ta_interface_ta_if__image_kzf_5rw_ryb" src="../../../images/ta_if/ta_connect_block.svg" width="624"/></div><br/>
<figcaption data-caption-side="bottom" class="- topic/title title figcapcenter"><span class="figtitleprefix fig--title-label"><span class="fig--title-label-number"> 1</span><span class="fig--title-label-punctuation">. </span></span><span class="fig--title">TA_IF 实时控制外设互联</span></figcaption></figure>
<p class="- topic/p p" data-ofbid="d79794e94__20250409171038"><strong class="+ topic/ph hi-d/b ph b">TA_IF 输入输出管脚</strong></p>
<p class="- topic/p p" data-ofbid="d79794e98__20250409171038"><a class="- topic/xref xref" href="#ta_interface_ta_if__fig_grn_kcr_5bc">TA_IF 实时控制外设互联</a>所示TA_IF 的输入输出管脚信号 TA_DE 和 TA_DIO
复用 ENC_IO_MUX 模块,需通过 SYS_CFG 配置寄存器 ENCODER_CFG 进行选择。其中对应关系为:</p>
<ul class="- topic/ul ul" id="ta_interface_ta_if__ul_lzf_5rw_ryb" data-ofbid="ta_interface_ta_if__ul_lzf_5rw_ryb">
<li class="- topic/li li" data-ofbid="d79794e107__20250409171038">
<p class="- topic/p p" data-ofbid="d79794e109__20250409171038">ENC_IO0 对应 TA_DE。</p>
</li>
<li class="- topic/li li" data-ofbid="d79794e113__20250409171038">
<p class="- topic/p p" data-ofbid="d79794e115__20250409171038">ENC_IO1 对应 TA_DIO。</p>
</li>
<li class="- topic/li li" data-ofbid="d79794e119__20250409171038">
<p class="- topic/p p" data-ofbid="d79794e121__20250409171038">ENC_IO2 无对应 TA_IF 模块的信号,无需使用。</p>
</li>
</ul>
<p class="- topic/p p" data-ofbid="d79794e127__20250409171038"><strong class="+ topic/ph hi-d/b ph b">TA_IF 位置数据</strong></p>
<p class="- topic/p p" data-ofbid="d79794e131__20250409171038"><a class="- topic/xref xref" href="#ta_interface_ta_if__fig_grn_kcr_5bc">TA_IF 实时控制外设互联</a>所示TA_IF 的解析所得的位置数据,可以传输到 HCL 以及
QOUT 模块,分别用于硬件电流环的电角度计算和 QOUT 的任意分频输出。</p>
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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="#ta_interface_ta_if__section_pfq_4kk_qbc" data-tocid="ta_interface_ta_if__section_pfq_4kk_qbc">特性说明</a></div></li><li class="section-item"><div class="section-title"><a href="#ta_interface_ta_if__section_igv_qmk_qbc" data-tocid="ta_interface_ta_if__section_igv_qmk_qbc">原理框图</a></div></li><li class="section-item"><div class="section-title"><a href="#ta_interface_ta_if__section_ksy_lxj_syb" data-tocid="ta_interface_ta_if__section_ksy_lxj_syb">实时控制外设互联图</a></div></li></ul></div>
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