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Altera_Forum's avatar
Altera_Forum
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15 years ago

ModelSim does not show FIFO's signals

Hello, I got a NIOS-II system with a custom avalon interface. This custom block extantiate a FIFO, which was created using the Megawizard tool. When I run ModelSim everything seems to be worki...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Tipically the some/all of the output signals are only defined if all input signals are defined (!= X).

So please fix your testbench so that it provides valid inputs to the FIFO.

After that the outputs of the FIFO should be valid (!= X)