22.6.6 Interrupt Flag Status and Clear

Note: Subsequent to an interrupt flag being cleared, the flag must be read back to verify the clear before exiting the ISR. Failure to do this can result in duplicate interrupts.
Table 22-8. Register Bit Attribute Legend
Symbol Description Symbol Description Symbol Description
R Readable bit HC Cleared by Hardware (Grey cell) Unimplemented
W Writable bit HS Set by Hardware X Bit is unknown at Reset
K Write to clear S Software settable bit
Name: INTFLAG
Offset: 0x06
Reset: 0x00
Property: -

Bit 76543210 
        EW 
Access R/W/HS 
Reset 0 

Bit 0 – EW Early Warning

This flag is cleared by writing a '1' to it.

This flag is set when an Early Warning interrupt occurs, as defined by the EWOFFSET bit group in EWCTRL.

Writing a '0' to this bit has no effect.


Writing a '1' to this bit clears the Early Warning interrupt flag.