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How do I set the frequency of the CCM_CLKO signal on i.MX6UL?

Question asked by Anders Lorentzen on Jan 14, 2018
Latest reply on Jan 16, 2018 by igorpadykov

Hi

I am using the Variscite VAR-DART-MX6UL System on Module, and I need to be able to provide a stable clock signal of 48 MHz to a custom made hardware module. I am very new to this, but to my understanding I need the CCM_CLKO1 or CCM_CLKO2 to for this, but I cannot seem to figure out how to set the frequency for these signals? I think I would need to write to some registers, but because of my inexperience in this topic, maybe someone could tell me how to do that as well? The clock has to be fairly stable, how do I secure the stability of the clock even if I am running heavy calculations on the processor? 

 

Best regards

Anders   

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