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Altera_Forum's avatar
Altera_Forum
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15 years ago

Licensing of megafunctions

How are the megafunctions such as altpll or altpll_reconfig or even an lpm_abs licensed.

I have been assuming that I do not need to obtain an explicit license for megafunctions which I can compile with out problem and which do not produce time limited files.

But I decided to check this assumption and cannot find an authoritative answer. The Altera MegaCore Function License Agreement does not list individual files an therefore does not appear to differentiate between a nios II or a latch megafunction. It does state “YOU shall pay the license fee for the MegaCore Function that has been specified by ALTERA, if applicable” but how can I know if a fee is applicable or not?

1 Reply

  • Altera_Forum's avatar
    Altera_Forum
    Icon for Honored Contributor rankHonored Contributor
    15 years ago

    if you compile and there aren't any messages about OpenCore Plus evaluation or time limited .sof generation, this is a good indication you're not using any pay-for IP

    you can take a look at $QUARTUS_ROOTDIR/bin/cpt_ip_product_map.txt (on Windows, i think its in /linux on Linux) to see a map of Altera's licensed cores