STM32F446ZET6 MCO2 output duty 35%?

dear：

PH0-OSC_IN：12.288MHZ，duty=50%。

but MCO2(PC9) output clk is 35%。

can you help me？

This topic has been closed for replies.

Show the traces. Digital or analog? Perhaps logic level isn't symmetric around the midline so it favors. Ensure output pin frequency is set to max.

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Nobody has any idea what you've built or any of the clock and PLL settings.

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