src_en/man.geco_guimodefulllayereco.txt

<h2>2.8 GUI Mode Full Layers ECO Flow</h2>
<p>The following paragraph demonstrates how to insert buffers and inverters into a circuit in GUI mode.</p>
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<h3>2.8.1 Start up GOF in GUI Mode</h3>
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<p>Start up GOF by the command line</p>
<div class='gofscript'>
<strong>gof -lib t65nm.lib -lib io.lib netlist_port.v</strong>
</div>
<p>For detail usage, visit this link</p>
<p><a href='/usage.htm'>https://nandigits.com/usage.htm</a></p>
<p>In GofViewer netlist window, press ctrl-g or menu commands-&gt;&rsquo;Launch GofTrace with gate&rsquo;. Fill in the instance name that needs ECO.</p>
<p><img class='img-fluid' src='/gof_manual_files/image007.jpg' style='border:none; height:294px; width:611px' /></p>
<p><b>Figure 22: Load gate to schematic</b></p>
<h3>2.8.2 Create Partial Schematic</h3>
<p>In GofTrace schematic window, use mouse middle button to expand the schematic. In this case, pin D of the flop should be inserted an invert.</p>
<p><img class='img-fluid' src='/gof_manual_files/image008.jpg' style='border:none; height:362px; width:611px' /></p>
<p><b>Figure 23: Partial Schematic for GUI ECO</b></p>
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<h3>2.8.3 Do ECO on schematic</h3>
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<p>Check ECO button to enable ECO mode</p>
<p><img class='img-fluid' src='/gof_manual_files/image009.jpg' style='border:none; height:385px; width:613px' /></p>
<p><b>Figure 24: Schematic in ECO Mode</b></p>
<p>Press mouse-left-button on the wire to select it. Click ECO button &lsquo;Insert gates into connections&rsquo;, select the right invert in the gate type selection window.</p>
<p><img class='img-fluid' src='/gof_manual_files/image010.jpg' style='border:none; height:391px; width:623px' /></p>
<p><b>Figure 25: Select Gate in GUI ECO</b></p>
<p>In &lsquo;Pin Connections&rsquo; setup window, use default &lsquo;Complete Loop&rsquo; option, so that the gate can be inserted in the net.</p>
<p><img class='img-fluid' src='/gof_manual_files/image011.gif' style='border:none; height:103px; width:505px' /></p>
<p><b>Figure 26: New Cell Pin Connection Selections</b></p>
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<p>Click OK and the invert is inserted.</p>
<p><img class='img-fluid' src='/gof_manual_files/image012.jpg' style='border:none; height:305px; width:527px' /></p>
<p><b>Figure 27: Manual ECO with New Gate Inserted</b></p>
<h3>2.8.4 Save ECO in GUI Mode</h3>
<p>Press ECO button &lsquo;Save ECO result to file&rsquo;. And select the format to be saved. The supported formats include verilog netlist, SOC Encounter ECO script, GOF script, TCL script and DCShell script.</p>
<p><img class='img-fluid' src='/gof_manual_files/image013.jpg' style='border:none; height:359px; width:600px' /></p>
<p><b>Figure 28: Save ECO in GUI Mode</b></p>