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Altera_Forum
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15 years ago

How 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's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

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I just tried on a blank project and it worked perfectly. Is 45MHz the only output? Because as joysb says if you have other output frequencies it can make it impossible for the pll in some cases.

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Hello, Thanks for your reminder.

You are right! It can run well, if there is just only one output of the PLL. It seems that I should use another PLL for this 45Mhz clock out.

Thanks