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Altera_Forum's avatar
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 found, that the altmult_add MegaFunction is the most simple way to instantiate a hardware multiplier with variable signed/unsigned inputs. You can set the number of multipliers to one and adjust all MegaFunction parameters according to your needs. Basically, also the cycloneii_mac_mult or cycloneiii_mac_mult can be used, but there is no documentation on it.