how to generate RTC counter increment delay for 100ms

aru · ‎2014-01-17

Posted on January 17, 2014 at 14:36

I have Implemented RTC with counter increment delay of 1 second, but I am not able to configur it for 100ms. Here i have attached RTC configuration code, can anyone please tell how to configure RTC prescalar register for 100ms

Tesla DeLorean · ‎2014-01-17

Posted on January 17, 2014 at 16:22

For what part?

For a tick at 100 ms you'd need to prescale the 32.768 KHz by a 1/10th of what you do for a second, not sure that's cleanly divisible or desirable.

Considered using SysTick?

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aru · ‎2014-01-17

Posted on January 18, 2014 at 07:09

how to prescale the 32.768 KHz by a 1/10th. I read in Arm PDF there is no option to do what you said above.