/* After this function, please call ref CLOCK_SetXtal0Freq to set external clock frequency to 0.  */
void CLOCK_DeinitExternalClk(void)
/* After this function, please call ref CLOCK_SetXtal0Freq to set external clock frequency to 0.  */
void CLOCK_DeinitExternalClk(void)
{
    CCM_ANALOG->MISC0_SET = CCM_ANALOG_MISC0_XTAL_24M_PWD_MASK;
}