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Altera_Forum's avatar
Altera_Forum
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14 years ago

multiplier delay of embedded multiplier

Hi, I am designing an custom hardware and it requires multipliers, so since there are embedded multipliers available in cyclone II, I decided to use them by using the the multiply symbol in my ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

We need to separate the idea of registers in RTL and those inside mult block.

If you infer with * symbol then you can only add register on input or output but not inside.

if you use megawizard you can additionally add registers inside as well as on inputs/outputs.

As far as I know you cannot infer internal pipe and I think it defaults to none.