18.8.5 Interrupt Flag Status and Clear

Name: INTFLAG
Offset: 0x06
Reset: 0x00
Property: 

Bit 76543210 
        SLEEPRDY 
Access R/W 
Reset 0 

Bit 0 – SLEEPRDY Sleep Mode Entry Ready

This flag is set when the main very low power mode is ready and will generate an interrupt if INTENCLR/SET.SLEEPRDY is '1'. See this Note for details.

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

Writing a '1' to this bit clears the Performance Ready interrupt flag.