About Manuel Corrales

Manuel Corrales · 2022-02-15

As indicated by an4759, I am trying to use the 50Hz mains reference to improve the RTC accuracy of an STM32F413ZH.However, the results I get are much worse than without using the reference:LSE only: 0.6s/dayLSE+50Hz: 7.5s/day (test duration 4 days)Ac...

Manuel Corrales · 2022-02-15

Perfect, now I understand everything.I was really hoping that the network would be less fluctuating or at least more balanced in the short term, but I see that it is not.I see that using this reference is for the very long term and that there may be ...

Manuel Corrales · 2022-02-15

I do not understand exactly what you are referring to precisely in this case. Because the same section you can also read the following:"The reference clock may have a large local deviation (e.g. in the 500 ppm range), but in the long term it should b...

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RTC Reference Clock (50Hz) worsens the LSE accuracy

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Re: RTC Reference Clock (50Hz) worsens the LSE accuracy