LEDBITS_STATUS
bit = LEDBITS_STATUS;
reg &= ~LEDBITS_STATUS;
reg |= LEDBITS_USB0 | LEDBITS_USB1 | LEDBITS_STATUS | LEDBITS_READY;
reg &= ~(LEDBITS_READY | LEDBITS_STATUS);
reg &= ~(LEDBITS_STATUS | LEDBITS_READY);