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<h1>Clocks </h1> </div>
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<caption align="bottom"><b>Table 1:</b> List of clocks.</caption>
<tr style="background: #CCCCCC; font-weight: bold;">
<td rowspan="2">Name</td><td rowspan="2">Source</td><td colspan="3">Rates (MHz)</td><td rowspan="2">Remarks</td><td rowspan="2">Description </td></tr>
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<td>Max</td><td>Min</td><td><p class="starttd">Resolution</p>
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<td>clk_50</td><td>Input Port</td><td>50</td><td>50</td><td>-</td><td>-</td><td>External input clock. Used only as input to altpll. </td></tr>
<tr>
<td>clk_30</td><td>altpll output</td><td>30</td><td>30</td><td>-</td><td>-</td><td>Main system clock. </td></tr>
<tr>
<td>clk_12</td><td>altpll output</td><td>12</td><td>12</td><td>-</td><td>-</td><td>Used only in <a class="el" href="classdrv__audio.html" title="WM8731 audio codec driver for stereo audio output. ">drv_audio</a> to clock the WM8731 audio codec hardware. </td></tr>
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<td>clk_25</td><td>altpll output</td><td>25</td><td>25</td><td>-</td><td>-</td><td>Used only in <a class="el" href="classdrv__eth__vga__capture.html" title="DM9000A 10/100 Mbit Ethernet driver for a VGA frame grabber. ">drv_eth_vga_capture</a> to clock the DM9000A Ethernet hardware. </td></tr>
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