PCR0_ACTIVE
while (MTKSWITCH_READ(sc, MTKSWITCH_PCR0) & PCR0_ACTIVE);
while (MTKSWITCH_READ(sc, MTKSWITCH_PCR0) & PCR0_ACTIVE);
while (MTKSWITCH_READ(sc, MTKSWITCH_PCR0) & PCR0_ACTIVE);
while (MTKSWITCH_READ(sc, MTKSWITCH_PCR0) & PCR0_ACTIVE);