AUXCTL0 = AUXKEY;
    AUXCTL1 |= (AUX1MD );                           //Software switching method       
    AUXCTL1 &=  ~( AUX0MD + AUX2MD);                                    
    
    AUXCTL2 &= ~(AUX2LVL0 + AUX2LVL1 + AUX2LVL2);            
    AUXCTL2 |= (AUX2LVL0);                          // AUXVCC2 - 1.94V
    
    AUXCTL1 &= ~ (AUX1OK) ;                         //Turn off switching method
    AUXCTL2   &= ~(AUX1LVL0 + AUX1LVL1 + AUX1LVL2); 
    AUXCTL2 |= AUXMR_2 + AUX1LVL1;                  // 2.14V, MON at 150ms    
    AUXCTL2   &= ~(AUX0LVL0 + AUX0LVL1 + AUX0LVL2);  
   
    AUXIE |= (AUX2DRPIE  + AUXMONIE );              // Enable AUXVCC2 power-down interrupt, MON interrupt for power-on wakeup
    AUXCTL0 &= ~LOCKAUX;