ER_STAGE_COUNT</td>
        <td align="center">2</td>
        <td>The number of stages in a synchronizer.</td>
    </tr>
    <tr>
        <td>oversampling_prescale</td>
        <td align="center">the default value after resetting the system is 8</td>
        <td>The ratio between the frequency of the UART receiver clock and the frequency of the UART transmitter clock.</td>
    </tr>
</table>
<h4 id="systems-clock-domains">System's Clock Domains</h4>
<table>
    <tr>
        <th align="left">Clock Domain</th