test.v

vhdl硬件设计实现一个数字上变频器

`timescale 10ns/1ns
module test;
reg clk;
reg reset;
reg ena;
reg [15:0] datain;

wire [15:0] I_out;
wire [15:0] Q_out;
wire [1:0] cout;
initial
begin
	clk=0;
	reset=1'b0;
	ena=1'b1;
	datain=16'b0;
	#3 datain=16'b1001_0101_0011_1001;
	#10000 $stop; 
end
always #1 clk=!clk;
always @ (negedge clk)
begin
	datain<={datain[14:0],datain[15]};
end
ddc ddc(.clk(clk),.ddc_ena(ena),.reset(reset),.datin(datain),.I_out(I_out),.Q_out(Q_out),.cout(cout));
endmodule