Forum Discussion

New Contributor

7 years ago

I am getting "Internal Error: Sub-system: CDB, File: /quartus/db/cdb/cdb_lutmask.cpp, Line: 566" from Quartus II 12.1

I think it is related to having multiple plls that I am reconfiguring. If I turn off the feature for one of the plls then I don't get the error anymore.

Rahul_S_Intel1

Frequent Contributor

7 years ago

Hi,

If the device is Stratix 3, try to use Quartus 13.1 Version.

For your below question

Does that put some restrictions on which plls or the number of plls that can be used with the ALTPLL_RECONFIG function?

In my opinion, there will not be any issue. These are the guidelines Page no:52 for the PLL usage.

https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/hb/stx3/stx3_siii51006.pdf

Regards,

Rahul S

Forum Discussion

I am getting "Internal Error: Sub-system: CDB, File: /quartus/db/cdb/cdb_lutmask.cpp, Line: 566" from Quartus II 12.1

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