SAMG55 - Clocking USB UDP from internal 32kHz RC oscillator

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#1
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Hi,

 

Is it possible to get the 48MHz UDP clock from a PLL that uses the internal 32kHz RC as its source (with a 1500 mutliplier)?

I have tried it on the SAMG55 Xplained Pro and some UDP examples (e.g. CDC) that worked just fine with the on-board 32.768kHz crystal stopped working once I switched to the internal RC

 

Thanks,

Moti

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Last Edited: Sun. Jan 3, 2016 - 01:31 PM