REFSEL=INT1V
Control B
| EOEN | External Output Enable  |  
| IOEN | Internal Output Enable  |  
| LEFTADJ | Left Adjusted Data  |  
| VPD | Voltage Pump Disable  |  
| DITHER | Dither Enable  |  
| REFSEL | Reference Selection 0 (INT1V): Internal 1.0V reference 1 (AVCC): AVCC 2 (VREFP): External reference  |