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Altera_Forum's avatar
Altera_Forum
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14 years ago

Work around for Internal Error: sub-system: SIN?

Hi All: I have an open service request with Altera on this SR, but double checking with the local experts to see if anyone has see this before. I'm running into the following internal error: ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Solution:

Ok I had two lines that somehow got into the QSF that are not supported for Cyclone V: Theses are:

set_global_assignment -name OUTPUT_IO_TIMING_NEAR_END_VMEAS "HALF VCCIO" -rise

set_global_assignment -name OUTPUT_IO_TIMING_NEAR_END_VMEAS "HALF VCC"

I don't know how they got into the QSF, but once I removed the lines the compile now completes as expected. They were not in the normal IO session of the QSF, so I'm thinking they were auto added by the tool at some point.

Thanks for you help.

Pete