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This project says that it can only run on 20MHz, but this board I have runs on 50MHz

How can I run your code on my board?

Should I change

Code: Select all

reg [23:0] counter; always @(posedge clk20) counter<=counter+1;

to

Code: Select all

reg [26:0] counter; always @(posedge clk20) counter<=counter+1;

or what?