19.8.4 Interrupt Flag Status and ClearName: INTFLAGOffset: 0x03Reset: 0x01Property: –Bit 76543210 CKRDY Access R/W Reset 1 Bit 0 – CKRDY Clock Ready This flag is cleared by writing a '1' to the flag. This flag is set when the synchronous CPU, APBx, and AHBx clocks are stable and will generate an interrupt if INTENCLR/SET.CKRDY is '1'. Writing a '0' to this bit has no effect. Writing a '1' to this bit clears the Clock Ready interrupt flag.
Bit 0 – CKRDY Clock Ready This flag is cleared by writing a '1' to the flag. This flag is set when the synchronous CPU, APBx, and AHBx clocks are stable and will generate an interrupt if INTENCLR/SET.CKRDY is '1'. Writing a '0' to this bit has no effect. Writing a '1' to this bit clears the Clock Ready interrupt flag.