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How is OSC_OUT connected at HSE bypass source mode?

Question asked by T YX on Sep 7, 2017

There are two different descriptions in AN2586 and AN1709.

In AN2586 it says it must be left highZ, and as far as I can tell from the figure it means floating.

In AN1709 it says it should be tied to ground.

 

Does the two means conflict? I think highZ can only be determined by the chip itself and there is nothing I can do with it. So it doesn't matter where it's tied to according to AN2586.

 

So it's best tied to ground?

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