Forum Discussion
New ContributorMAX10 second PLL issue
I found the cause.
That was a good example of rubber duck debugging.
With the answers from @FvM and @ShengN_Intel in mind, I simplified the design until only the PLLs remained.
Now I noticed that PLL_3 never worked. And that was strange.
The cause was quickly found: in the hardware design, we forgot to connect the power supply for PLL_3 (VCCD_PLL3, PIN_D4).
How annoying! Fortunately, I can switch to PLL_2.
Thank you very much for your support. It was a great help.
Regards,
Helmut
New ContributorI found the cause.
That was a good example of rubber duck debugging.
With the answers from @FvM and @ShengN_Intel in mind, I simplified the design until only the PLLs remained.
Now I noticed that PLL_3 never worked. And that was strange.
The cause was quickly found: in the hardware design, we forgot to connect the power supply for PLL_3 (VCCD_PLL3, PIN_D4).
How annoying! Fortunately, I can switch to PLL_2.
Thank you very much for your support. It was a great help.
Regards,
Helmut
