Forum Discussion
New ContributorCyclone IV PLL IP megawizard crash
I can confirm that PLL Megawizard is crashing in Quartus 23.1 when advancing to the Output Clock tab. I tried with Cyclone IV E and Cyclone 10 LP, just using default settings. Also a PLL component defined in Quartus 19.1 reopened in 23.1 crashed when selecting output clocks.
The problem has been already reported, see e.g.
https://community.intel.com/t5/Intel-Quartus-Prime-Software/Bug-in-Quartus-Prime-Lite-23-1-ALTPLL-MegaWizard/m-p/1554826
https://community.intel.com/t5/Intel-Quartus-Prime-Software/Quartus-Prime-Lite-23-1-PLL-Wizard-Problem/m-p/1572564
The first link however contains already a solution by copying 22.1 Megawizard files to 23.1 installation. I don't see known issues related to PLL Megawizard reported for Quartus-23.1std.0.991-windows in FPGA knowledgebase, shouldn't the problem appear there 2 month after first bug reports? At least the problem should be known internally to avoid misleading suggestions as above.
Definitely waiting for an official patch.
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