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Is anything else for configuration to use this for the PLL?
I mean, I've created a PLL with the megafunction where do I tell it to use CLK7 or its just by setting the PLL clockin port to CLOCK_EXT in the pin planer?
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You can call the clock port/net anything you like, just so long as you set the pin to P26. For example, I call it clk_sma in my top-level design file.
You then connect that net name as the clock input to your PLL megafunction instance.
I would recommend creating a counter and use it to blink an LED once per second. If you have the PLL configured correctly, then it'll be pretty obvious.
This thread:
http://www.alteraforum.com/forum/showthread.php?t=33462 has an example zip file called de2_basic.zip. Download it and follow the instructions. It doesn't have a PLL in the example, but you could add it easily enough.
Cheers,
Dave
Honored Contributor
