VR_CFGB
VR_SETBIT8(vrp->acc_reg, VR_CFGB, VR_CFGB_LATENCYTIMER);
VR_CLRBIT8(vrp->acc_reg, VR_CFGB, VR_CFGB_LATENCYTIMER);
VR_CLRBIT8(vrp->acc_reg, VR_CFGB, VR_CFGB_QPKTDIS);
VR_SETBIT8(vrp->acc_reg, VR_CFGB, VR_CFGB_QPKTDIS);