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Altera_Forum's avatar
Altera_Forum
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15 years ago

CPLD 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&#...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

The CPLD don't have PLLs so you'll have to use an external pll or clock generator.