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Altera_Forum
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15 years ago

Output Pins stuck at VCC or GND (All of them!)

Hello I am using the Altera PCI-compiler MegaCore in 32bit target mode on a Cyclone III EP3C16F484I7. When I simulated my code in ModelSim (Altera edition), it work perfectly. But when I t...
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Altera_Forum
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15 years ago

Thanks for your help FvM.

I found the problem, I have a block of logic that is't completed yet, so I'd assumed that it would be fine uninitialized. But I think this allowed the compiler to pick "optimal" values for the uninitialized ports, creating a situation where the rest of my logic was OR'd with 1 meaning it all got optimized away. Thanks