num_test1.v.bak

多功能卡的源代码

module NUM_TEST1(reset_,sclk,num);

input reset_,sclk;
output [31:0]num;
reg [31:0]num;
reg [3:0]counter;
always @(posedge sclk or negedge reset_)
begin
	if(!reset_)	begin
		num<= 32'd0;
		counter <= 4'd1;
	end
	else if(counter[3])	
	begin num<=num+ 32'd1;	counter[3] <= 1'b0;	counter[0]<=1'b1;end
	else counter <= counter + 4'd1;
end
endmodule