MUSB2_REG_RXDBDIS
temp = MUSB2_READ_2(sc, MUSB2_REG_RXDBDIS);
MUSB2_WRITE_2(sc, MUSB2_REG_RXDBDIS, temp);
MUSB2_WRITE_2(sc, MUSB2_REG_RXDBDIS, 0xFFFF);
case MUSB2_REG_RXDBDIS: