Intel® Quartus® Prime Software
Intel® Quartus® Prime Design Software, Design Entry, Synthesis, Simulation, Verification, Timing Analysis, System Design (Platform Designer, formerly Qsys)
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Why is my waveform like this?

ZZive
Beginner
1,429 Views

1.png

My clock is a clock though PLL. This waveform is messy

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3 Replies
Ken_I_Intel
Employee
514 Views

Messy?  What do you mean?  ​

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ZZive
Beginner
514 Views

the project is UART,they logic is very simple。The frequency of clock is 50Mhz. however, they waveform is so mess. I don't know why the waveform like this.

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sstrell
Honored Contributor III
514 Views

Without an explanation as to why this is "messy" or showing the design, there's no way we can help.

Have you zoomed into the waveforms (left click)? Do they look correct when you do?

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