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Altera_Forum
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8 years ago

Best practices for verifying PWM (measuring time)...

Folks: I am writing a testbench for a pulse-width modulator and wanted to check for several hundred different values. I figured I'd use a loop for each value, but I'm not sure of the best way to ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
8 years ago

You can use the 'stable' VHDL attribute with a value consistent with the pwd command.

Example:

assert pwm_out'stable(TIME) report "signal is not stable during the expected time" severity error;