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Altera_Forum
Honored Contributor
15 years agoHow to get 45Mhz clock out?
Hi dears: I am using ArriaGX devices, and the board's clock is 100Mhz which is input to the FPGA. And the system need a 45MHz clock, could you have any method to generate this clock through FPG...
Altera_Forum
Honored Contributor
15 years ago --- Quote Start --- use modulo adder: accumulator that adds up 45 modulo 100, produce an en pulse at overflow. I posted this recently in code:evil:. --- Quote End --- --- Quote Start --- or add 9 modulo 20 (same ratio) alternatively, if the application tolerates use 9 clocks with enable ON then 11 clocks with enable off: http://www.alteraforum.com/forum/showthread.php?t=29224 --- Quote End --- Where would or do you use this method ?