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Altera_Forum
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17 years ago

cascade pll on stratix II

Hi I have a question : is it possible to connect an enhanced pll input to the fast pll output on the stratix II device? Another question : is it possible to connect one fast pll to another one, ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

I thought PLL cascading was allowed for only certain PLL combinations, but I didn't find that with a quick check of PLL cascading references in the device handbook.

To answer questions like these, I typically create a simple test case to try it in Quartus with something that compiles fast.