IRQENABLE_MCUDISABLEACKINT
sr_write_reg(sr, IRQENABLE_SET, IRQENABLE_MCUDISABLEACKINT);
sr_write_reg(sr, IRQENABLE_CLR, IRQENABLE_MCUDISABLEACKINT);
IRQENABLE_MCUBOUNDSINT | IRQENABLE_MCUDISABLEACKINT);