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Altera_Forum
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16 years ago

Quartus Assembler error(internal error)

Hello,all I recently synthesis DDR2 controller(my own design) with ALT_DQDQS(quartus generate DQDQS PHY with DDR2_SDRAM). Quartus encounter a Internal error when assembler process. This error...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

I don't think this is memory issue.

Once I probe the data in my data path,this internal error come up even I just run the single process of quartus9.0(Windows Xp),otherwise it runs successfully.

I think it maybe ALT_DQDQS is not correctly configured,but I don't how to debug this problem. I had resarch the ALT_DQDQS SPEC in detail,but don't find any usefull information to solve this problem.