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CCC1's avatar
CCC1
Icon for New Contributor rankNew Contributor
4 years ago

project compiles, but simulation fails

This is a pretty basic block diagram for a class using 2 D FF's. The project compiles fine, but when I try to compile and run the functional simulation I get this error: # ** Error: (vlog-13069) W...
sstrell's avatar
sstrell
Icon for Super Contributor rankSuper Contributor
4 years ago

I don't know if this is the issue, but your schematic shows you are using active low resets (CLRN) but your testbench waveform only releases the reset for one cycle, unless there's more of the testbench not shown in your capture.