//DEV_EN = DEV_EN & 0xFFBFFFFD; //bit 1

   DEV_EN = DEV_EN & 0xFFBFFFEF; //bit 4
   //DEV_EN = DEV_EN & 0xFFBFFFDF; //bit 5 - crashes


   DEV_EN = DEV_EN & 0xFFBFFFF7; //bit 3
   DEV_EN = DEV_EN & 0xFFBFBFFF;  //bit 14

   CACHE_PRIORITY = CACHE_PRIORITY & 0x000000FF;  //bit 16,17,18
   CACHE_PRIORITY = CACHE_PRIORITY & 0xFFFFFF1F;  //bit 5
   //CACHE_PRIORITY = CACHE_PRIORITY & 0xFFFFFF2F;  //bit 4
   CACHE_PRIORITY = CACHE_PRIORITY & 0xFFFFFFF7;  //bit 3
   //CACHE_PRIORITY = CACHE_PRIORITY & 0xFFFFFFFB;  //bit 2     //crashes during playback
   //CACHE_PRIORITY = CACHE_PRIORITY & 0xFFFFFFFD;  //bit 1
   //CACHE_PRIORITY = CACHE_PRIORITY & 0xFFFFFFFE;  //bit 0

    //82.3/52.4 ma consumed

   //these don't save any measurable current
   DEV_EN = DEV_EN & 0xFFBF5FFF;  //bit 13+15
    DEV_EN = DEV_EN & 0xFFFFFFFE;  //bit 0