vinothkumar41
Newbie level 3
clock_frequency
How to write verilog code for calculation of clock frequency?
How to write verilog code for calculation of clock frequency?
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`timescale 1ns/10ps
module foo(clk);
input clk;
real t0;
real t1;
real frequency;
initial
begin
@ (posedge clk) t0 = $realtime;
@ (posedge clk) t1 = $realtime;
frequency = 1.0e9 / (t1 - t0);
$display("Frequency = %g", frequency);
$finish;
end
endmodule