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RSing16's avatar
RSing16
Icon for New Contributor rankNew Contributor
7 years ago

Hello, I am using cycloneIV device for a simple project to explore tool using web version. and ended up with following error at simulation.

Error is as following.. Error\: ModelSim-Altera Error\: \# \*\* Error\: \(vsim-3033\) ledblink\.vo\(63\)\: Instantiation of 'cycloneive_io_obuf' failed\. The design unit was not found\. please help...
Abe's avatar
Abe
Icon for Frequent Contributor rankFrequent Contributor
7 years ago

Ok, so the issue with the Cyclone IV E IOBUF sim model is resolved. This error is due to the sim library name. What I had provided earlier for the 220 Model lib is incorrect. You can remove the -L 220model_ver and then re-run the simulation. It should work this time.