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Altera_Forum's avatar
Altera_Forum
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15 years ago

Output pins are stuck...

Hello, I am a new user of Quartus II and I am using it to help me learn VHDL. I have written a function to multiply two std_logic_vectors and return the same type. The function adjusts to the ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

The problem is because you have a complicated function, its difficult to follow. The error you get can also be caused by the inputs having bits stuck at ground. Are you aware designs should be clocked? I would have thought a better learning exercise would be to pipeline your design.