SMU_ISR_READ
interrupt_status = SMU_ISR_READ(this_controller);
interrupt_status = SMU_ISR_READ(this_controller);
interrupt_status = SMU_ISR_READ(this_controller);
interrupt_status = SMU_ISR_READ(this_controller);
interrupt_status = SMU_ISR_READ(this_controller);
interrupt_status = SMU_ISR_READ(this_controller);