* <td>VTARGET_USE_INTERNAL_REF</td>
* <td>Makefile LUFA_OPTS</td>
* <td>Selects the internal 2.56V ADC reference voltage, instead of using the AVR's VREF pin. When enabled, this option will
* <td>VTARGET_USE_INTERNAL_REF</td>
* <td>Makefile LUFA_OPTS</td>
* <td>Selects the internal 2.56V ADC reference voltage, instead of using the AVR's VREF pin. When enabled, this option will