Datasheet

Figure 34-9. Input Swapping for Offset Compensation

MUXPOS

MUXNEG

COMPx

SWAP

ENABLE

HYSTERESIS

SWAP

CMPx

COMPCTRLx

34.6.12 Interrupts

The AC has the following interrupt sources:

• Comparator (COMP0, COMP1, COMP2, COMP3): Indicates a change in comparator status.

• Window (WIN0, WIN1): Indicates a change in the window status.

Comparator interrupts are generated based on the conditions selected by the Interrupt Selection bit group

in the Comparator Control registers (COMPCTRLx.INTSEL). Window interrupts are generated based on

the conditions selected by the Window Interrupt Selection bit group in the Window Control register

(WINCTRL.WINTSELx[1:0]).

Each interrupt source has an interrupt flag associated with it. The interrupt flag in the Interrupt Flag Status

and Clear (INTFLAG) register is set when the interrupt condition occurs. Each interrupt can be

individually enabled by writing a one to the corresponding bit in the Interrupt Enable Set (INTENSET)

enabled. The interrupt request remains active until the interrupt flag is cleared, the interrupt is disabled, or

the AC is reset. See INFLAG register for details on how to clear interrupt flags. All interrupt requests from

the peripheral are ORed together on system level to generate one combined interrupt request to the

NVIC. The user must read the INTFLAG register to determine which interrupt condition is present.

Note that interrupts must be globally enabled for interrupt requests to be generated.