Introduction - If you have any usage issues, please Google them yourself
module myAdder (a, b, out, cout, mode, clk, frq, clko
);
Input [3:0]a, b;
Input clk, mode; //1: adder; 0:sub
Input [1:0]frq;
Output [3:0]out;
Output cout, clko;
Clok instance_name
// INST_TAG_END ------ End INSTANTIATION Template ---------
Assign clko = frq > 1 ? CLK_OUT3 : (frq > 0)? CLK_OUT2 : CLK_OUT1;
myAdder your_instance_name (
);
// INST_TAG_END ------ End INSTANTIATION Template ---------
endmodule