terface (TPIU) Register Access  </th></tr>
<tr>
<td>TPI-&gt;SSPSR </td><td>TPIU_SSPR </td><td>- </td><td>Supported Parallel Port Size Register  </td></tr>
<tr>
<td>TPI-&gt;CSPSR </td><td>TPIU_CSPSR </td><td>- </td><td>Current Parallel Port Size Register  </td></tr>
<tr>
<td>TPI-&gt;ACPR </td><td>TPIU_ACPR </td><td>- </td><td>Asynchronous Clock Prescaler Register  </td></tr>
<tr>
<td>TPI-&gt;SPPR </td><td>TPIU_SPPR </td><td>- </td><td>Selected Pin Protocol Register  </td></tr>
<tr>
<td>TPI-&gt;FFSR </td><td>