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Geert's avatar
Geert
Icon for New Contributor rankNew Contributor
5 years ago

Inference of DSP block with accumulator does not work

I'm trying to infer a DSP block with accumulator for Arria 10, using Quartus Prime 17.0. The high-level functionality I need is: if rising_edge(clk) then if sload = '1' then out <= a * ...
SengKok_L_Intel's avatar
SengKok_L_Intel
Icon for Regular Contributor rankRegular Contributor
5 years ago

Hi Greet,


If you are using an independent multiplier, could you please increase the input data width to >19 bits? If using lower than 18 bits, it will not fit into the hard accumulator.


Regards -SK Lim