Altera_Forum
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Honored ContributorCosine and Sine lookup table in vhdl
Hi i'm new to vhdl and I need a cosine and sine lookup table file in vhdl file already DONE.. because I don't have much time.. please help! thanks.
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Altera_ForumOk, another cuestion for store the sine of the NCO, I need a ROM-Based in the design of quartus project?
- Altera_Forum
It doesn't matter, choose the one that suites Your needs. I prefer multiplier based, because I have many multipliers free in my design.
- Altera_Forum
But have one idea for a project when i need insert parameters for Amplitude, Frecuencies, Phases relatives in realimentation with quartus and matlab and i need store this parameters in a LUT or ROM, because i use the NIOS II for program the PIOs! can i explain me.
- Altera_Forum
You'll have to learn how to fill those values by Yourself. Read the documentation.
- Altera_Forum--- Quote Start --- You'll have to learn how to fill those values by Yourself. Read the documentation. --- Quote End --- Ok thank's very helpfull yours answers, see u later!
- Altera_Forum
Another cuestion, from the NCO can directly output the signal for the DAC and show in the osciloscope?
- Altera_Forum
Yes, since it has data and data_valid signals.
- Altera_Forum--- Quote Start --- Yes, since it has data and data_valid signals. --- Quote End --- I'm newbie do you can help me with the design for the Cyclone III DSP Development Kit? i search information googling but cant find. only need output the signal to the DAC 14-bit of the daughter card of HSMI to oscilloscope! :)
- Altera_Forum
- Altera_Forum
you may use CORDIC instead of table
