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Altera_Forum
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15 years ago

problem with value 'X' in VHDL

Dear my best friends I used vhdl to calculate SVPWM algorithm. I used LPM library for divider. I'd already initial value for all of signal, but It still has "X" value. This is LPM library m0...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

I think your professor just wants you to use structural description for now, instead of designing it using behavioural code (c<=a*b). Probably he just wants you to have a deeper understanding of how you should connect multipliers, dividers, adders, subtractors, etc. in your design, rather than just describing everything behaviourally.

However, in the industry, it is always easier to do a behavioural description.