WUCSR_MPEN
val &= ~(WUCSR_MPEN | WUCSR_WUEN);
val &= ~(WUCSR_MPEN | WUCSR_BCST_EN | WUCSR_PFDA_EN);
val |= WUCSR_MPR | WUCSR_MPEN;
val &= ~(WUCSR_WUEN | WUCSR_MPEN | WUCSR_PFDA_EN