Forum Discussion
Altera_Forum
Honored Contributor
Honored ContributorCyclone II: PLL
From the device datasheet Cyclone II has 4 PLL, and I need to generate four 250MHz clocks with 0 degree, 90 degree, 180 degree and 270 degree phase shift. The input clock is 50MHz. But the altpll fun...
Altera_ForumHonored Contributor
Honored Contributor --- Quote Start --- just instantiate others "altpll", I think. --- Quote End --- Hi everybody, I am thinking to instantiate other altpll as mmTsuchi had suggested, but I am unable to find any information regarding the other 3 pll in cyclone II other than what is available from the megawizard. For instance input port name "inclk0" (for the first pll) but no information for the second pll.
