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Altera_Forum
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11 years ago

Quartus2 - altpll megawizard plugin - no clock output in simulation waveform editor

Hi, in my schematic entry I use the altpll block to divide my clock. I`ve routet the outputs to GPIO pins and could measure them via oscilloscope. But when I use them for simulation in t...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

The PLL needs time to lock to the input clock. Try running your simulation longer (10ms ?) Try adding the 'locked' output of the PLL as a diagnostic aid.