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Altera_Forum
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11 years ago

benefits of LPM functions?

Hi All, Is there a benefit for using LPM functions rather than coding them yourself? Except for allowing you to pipeline 'canned' functions, there doesn't seem to be much else. Actually, I've n...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

Long ago they were handy for making sure you get exactly the behavior you want from the synthesis engine (or if you developed hardware using schematics). These days I use them if there is no easy way to code in HDL the behavior I want. So I use them for instantiating memory, FIFOs, floating point hardware, or something that targets the DSP blocks but I think it's a waste of time to use them for things like adders, flipflops, etc... if you are already developing using HDL.