Dear Raghu,

Thank you.

Yes, It takes some time to settle to a new frequency,
and a a problem also at the external clock.
Espescially to maintain the stability of the clocking
clock.

Kurnia Brahmana
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Raghunathan R wrote:
-------------------------------
"But I'm worrying
will cause an internal defect to the chip to
cause the chip to fail soon. "

Just go ahead and change the clock frequency the way you like and whenever you like. No internal defect will arise because of the frequency changing.

However your worry needs to be on areas like frequency transition glitches and such. Not on chip failures.

Raghu