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jjxichn's avatar
jjxichn
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2 years ago
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subtractor in quartus

Hello All, I am new to Altera and I am using Agilex to do some interesting stuff. Does any one know whether Quartus Prime 20.4 have ip core to do subtraction with embedded pipelines? I only see Multi...
Hdl
  • FvM's avatar
    FvM
    2 years ago

    Hi,

    you can use Fixed Point Functions IP, Parrallel Add. Substraction is generated by giving a minus sign to one input parameter.

    It has all options to set different pipeline levels and estimates speed.

FvM's avatar
FvM
Icon for Super Contributor rankSuper Contributor
2 years ago
Hi,
did you notice the "+/-" symbol in DSP block schematic? Fixed and float IP perform both add and substract.
jjxichn's avatar
jjxichn
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2 years ago

That +/- is only for DSP. But I prefer to use ALMs. So I am curious if we can use any IPs to do substraction using ALMs as a pipelined fashion?