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Altera_Forum's avatar
Altera_Forum
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13 years ago

LPM_Divide Megafunction Timing Issues

Hey, I'm working with an Arria II GX. I've been having timing issues with the lpm_divide megafunction. I have created a divider using the MegaWizard Plug-In Manager that has a Numerator of 64...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

Thanks for the reply. The denominators are not constants, but are the results of previous stages of arithmetic. I kicked around multiplying by the reciprocal but I don't see how I can implement this without using another Div core to find the inverse (reciprocal). All my denominators are in a 16.16 fixed point format.