TPS_ENABLE_LP
vdcdc1 |= TPS_ENABLE_LP; /* enable ENABLE_LP bit */
vdcdc1 &= ~TPS_ENABLE_LP; /* disable ENABLE_LP bit */
vdcdc1 |= TPS_ENABLE_LP; /* enable ENABLE_LP bit */
vdcdc1 &= ~TPS_ENABLE_LP; /* disable ENABLE_LP bit */