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Altera_Forum's avatar
Altera_Forum
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15 years ago

How to control clock frequency?

Hi, I create a D flip flop with positive edge input clock. when I do pin assignment for the input clock, which is PIN_N2, I have no idea how to manipulate the clock frequency. May I know how to...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

I hear from your answer, that you already have a clock source connected to your FPGA. You have to divide the input frequency to get a visual result. The timing analyzer doesn't change a clock frequency. A PLL or a counter can.