When is a 32 Khz crystal/oscillator frequency preferred?

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When is a 32 Khz crystal/oscillator frequency preferred?

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AndersJ
Contributor IV

When and why is a 32 KHz crystal preferred,

instead of a traditional high frequency crystal of nn MHz?

 

Thanks,

Anders J

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Witztronics
Contributor IV
It can be helpful for creating an accurate real-time clock if you don't need the higher speeds for anything critical.  Running at the lower 32Khz can also help save power.
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peg
Senior Contributor IV

Hi,

 

I believe its mainly cost and size, rather than any technical advantage.

 

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