Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
8 years ago

Adjustable frequency generator

Hi, I am trying to implement adjustable rectangular wave generator in MAX10. The code below: library ieee;use ieee.std_logic_1164.all; use ieee.numeric_std.all; entity DIVIDER_2 is p...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
8 years ago

There is problem with division in fpga. I need as I sad variable frequency. So there are 2 possible ways: make table with tuning words or calculate them.

fclk=400MHz

fout=150-400kHz, resolution 100Hz

2500(2^21)tuning words

In my experience division doesn't work on fpga.