* <td>Mask for the programmer's AUX target line. The use of this line varies between the programming protocols,
* but is generally used for the target's /RESET line. <b>Must not be the AVR's /SS pin</b>. <i>Ignored when
* compiled for the XPLAIN board.</i></td>
* </tr>
* <tr>
* <td>VTARGET_ADC_CHANNEL</td>
* <td>Mask for the programmer's AUX target line. The use of this line varies between the programming protocols,
* but is generally used for the target's /RESET line. <b>Must not be the AVR's /SS pin</b>. <i>Ignored when
* compiled for the XPLAIN board.</i></td>
* </tr>
* <tr>
* <td>VTARGET_ADC_CHANNEL</td>