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RTC is slow by 10 seconds in KL46

Question asked by shabana m on Nov 12, 2014
Latest reply on Nov 17, 2014 by shabana m

Hi,

We have developed our own board with Kinetis KL46 processor. There is no external crystal in the board, I'm using only the internal referance clock.

RTC need 32KHz clock input so I did what they have given in the following link Using RTC module on FRDM-KL25Z.

the result of the above experiment is the time counter is slow by 10 seconds.

I have also tried using the LPO clock source even that time the result is same.

How can I get over form the 10 seconds delay??

And also If I connect the Clock out to RTC clock In as said in the document, will the whole processor run in 32khz??

 

Reply soon!!!

Best Regards,

shabana

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