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Altera_Forum
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14 years ago

change the clock frequency of the FPGA board

I want to change the clock frequency of FPGA DE0 board from 50MHZ to 8MHZ, As my IP core generally worked at 8MHZ. How can I realize this? Use PLL? If I use PLL, the input is the 50MHZ, how can I con...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Yes, you can use a PLL.

Instantiate a PLL, connect the clk pin to the PLL input and the PLL output to the CPU's cllk signal.