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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...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

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I wonder what could be possiblly consuming so many LABs?

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This can't be answered without analyzing your design in detail. However, the Quartus tool is optimizing rather effectivly, in general. So a pessimistic assumption would be: The design is too complex. In some cases, resource consuming structures, e.g. parallel dividers, may be replaced by slower serial designs.