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Altera_Forum
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11 years ago

Altmult_add and Almult_accum dsp ip cores blocks

Hello. Using Quartus II 10.1 with Stratix IV GX. I'm trying to use and make with the Megawizard, DSP block that can be an adder, subtractor, multiplier for two inputs of 18bit, and also I...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

A Continue.

"I'm trying to have this in the will it can be done within "Half_DSP" block..."

Now, with the updated generated block, I have the Rounding and Saturation enable\disable option.

But,

In the synthesis status, it seems that my altmult_add block needs 2x DSP units - according to the QuartusII Report..

How can I drive it to be a "half_DSP" as it is declared in the Stratix IV GX Handbook?..

Screen Captures of the Reports are attached.

Thanks.