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<title>CMSIS-DAP: DAP_JTAG_IDCODE</title>
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<div id="projectname">CMSIS-DAP
 <span id="projectnumber">Version 2.0.0</span>
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<div id="projectbrief">Interface Firmware for CoreSight Debug Access Port</div>
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<div class="title">DAP_JTAG_IDCODE<div class="ingroups"><a class="el" href="group__DAP__jtag__gr.html">JTAG Commands</a></div></div> </div>
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<p>Read JTAG IDCODE.
<a href="#details">More...</a></p>
<p>Read JTAG IDCODE. </p>
<p>The <b>DAP_JTAG_IDCODE Command</b> request the JTAG IDCODE for the selected device on the JTAG chain.</p>
<p><b>DAP_JTAG_IDCODE Command</b>: </p>
<div class="fragment"><div class="line">| BYTE | BYTE ******|</div>
<div class="line">> 0x16 | JTAG Index |</div>
<div class="line">|******|************|</div>
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<li><b>JTAG Index</b>: Zero based JTAG index of selected device.</li>
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<p><b>DAP_JTAG_IDCODE Response</b>: </p>
<div class="fragment"><div class="line">| BYTE | BYTE **| WORD ***|</div>
<div class="line">< 0x16 | Status | ID Code |</div>
<div class="line">|******|********|*********|</div>
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<li><b>ID Code</b>: 32-bit JTAG ID Code of the device.</li>
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