USBA_PH_DATA_TOGGLE
ph_impl->usba_ph_flags &= ~USBA_PH_DATA_TOGGLE;
ph_impl->usba_ph_flags |= (USBA_PH_DATA_TOGGLE & toggle);
toggle = (uchar_t)(ph_impl->usba_ph_flags & USBA_PH_DATA_TOGGLE);
~USBA_PH_DATA_TOGGLE;