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Altera_Forum
Honored Contributor
Honored ContributorCyclone II PLL clock multiplier
Hi, I'm looking for a way to take an unknown external clock in the range 1-5MHz and from it generate an internal clock that is exactly four times that external clock. I've been reading various...
Altera_ForumHonored Contributor
Honored ContributorHi,
External clock in range 1-5MHz is to slow to work for Altera Cyclone II or IV PLL. As I remember Cyclone IV PLL input clock frequency is min 5MHz and Cyclone II - 10MHz.
