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John-Monahan's avatar
John-Monahan
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3 years ago

Timing for Quartus Multiply .BDF module

I am using a large number of Quartus IP LPMMULT "Basic Functions" both in parallel and then in series to calculate a 32 bit number from a large number of 16 bit (unsigned) array of numbers. It...
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JesusE_Intel's avatar
JesusE_Intel
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3 years ago

Hi John-Monahan,


I have moved your question to the programmable devices board for better assistance.


Regards,

Jesus


  • FvM's avatar
    FvM
    Icon for Super Contributor rankSuper Contributor
    3 years ago
    Hi,
    lpm_mult has a configurable latency (e.g. one clock cycle) it's set in Megawizard.

    Don't know how you arrive at 32 bit output for 8x8 multiply?

    lpm_mult IP supports up to 256×256 multiply in so far there's no need in cascading multiplier blocks manually.