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Altera_Forum
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17 years ago

How to reduce LAB usage in MAX II devices?

I'm currently using MAX II - EPM1270T144 device while the fitter says it requires 128 LABs to implement the project, but the device contains only 127 LABs. But i noticed the LE(logic element) usage h...
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Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

Look at the control signals (reset, clock, etc).

This sort of thinkg happen a lot if the tool needs to place logic into cells with disjoint control signals.

Changing your coding style with things like ripple counters to things that use one clock and clock enable functions may help.

Too many clocks can also get you.