<td>ISDIO_READ</td><td>Reads a block of iSDIO registers specified by command structure pointed by <tt class="arg">buff</tt>. (FlashAir specific command)</td></tr>
<tr><td>ISDIO_WRITE</td><td>Writes a block of data to iSDIO registers specified by command structure pointed by <tt class="arg">buff</tt>. (FlashAir specific command)</td></tr>
<tr><td>ISDIO_MRITE</td><td>Changes bits in an iSDIO register specified by command structure pointed by <tt class="arg">buff</tt>. (FlashAir specific command)</td></tr>
