Forum Discussion

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

Unable to simulate ALTSQRT in ModelSim Altera

I wrote a small program to try out the altera sqrt ip. i included the module in a quick script i wrote, but when i try to simulate it, i get X values in some of the bit fields. I thought it might be ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

The output signals at X mean you have something else in your testbench driving it to '0'. It's causing a conflict when the SqRT function is trying to drive a '1' - hence the 'X' ('0' drives '0' to '0')