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Altera_Forum's avatar
Altera_Forum
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14 years ago

Arithmetics in VHDL

Hi, I need to implement some arithmetic functions in an FPGA (which I never done before) and I have a few questions. I'm currently using a Cyclone IV E dev kit, the actual design will use either C...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Thanks for your help.

1. How should I calculate the tangent? Is there a special function for it? I couldn't find a tan megafunction.

2. As you said megafunctions has fixed latency specified by clock cycles - does that mean that I have to "manually" count clock cycles and then read the output?