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Honored Contributor
Honored ContributorCPLD frequency doubling
hi，
there is no pll or dll in CPLD I want to use CPLD to drive CCD，but have a problem，the clk must be 4 times，example 40Mhz input ，must be exitence 160Mhz。 how can i do ？2 Replies
Altera_Forumthank you ！！
- Altera_Forum
The CPLD don't have PLLs so you'll have to use an external pll or clock generator.
