ncy</em>&#160;</td>
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        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
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</div><div class="memdoc">

<p>This function: initialize I2C bus, reads current state of si570, calculates parameters for si570 MGT oscillator new frequency, writes them to si570 and resets PL to use the new frequency. </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">CurrentFrequency</td><td>MGT oscillator curr