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Altera_Forum
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17 years ago

signed/unsigned multipliers

I can't seem to find a way to instantiate a multiplier that will dynamically select between signed and unsigned multiplication. This is on a Cyclone II, but applies to other parts as well. Read...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

I didn't check the device handbook. As said, signed is a parameter in lpm_mult, and as far as I understand, lpm_mult is generally used in multiplier inference. It may be the case, that the device handbook discusses a hardware feature, that has been forgotten in the Quartus software. You should ask Altera support how to access the said feature through Quartus.