Search or jump to…

Pull requests
Issues
Marketplace
Explore

@yoshio99
OrangeRoof
/
not-m153a
Private
1
00
 Code Pull requests 0 Actions Security Insights
not-m153a/lab3/clk_div_2.v
@yoshio99 yoshio99 new clock divider
9cbe7b8 1 minute ago
92 lines (79 sloc)  1.8 KB

`timescale 1ns / 1ps
//////////////////////////////////////////////////////////////////////////////////
// Company:
// Engineer:
//
// Create Date:    21:04:30 02/24/2020
// Design Name:
// Module Name:    clk_div_2
// Project Name:
// Target Devices:
// Tool versions:
// Description:
//
// Dependencies:
//
// Revision:
// Revision 0.01 - File Created
// Additional Comments:
//
//////////////////////////////////////////////////////////////////////////////////
module clk_div_2(CLK, FAST_CLK, FOUR_CLK, ONETWENTY_CLK, BLINK_CLK, ONE_CLK
    );

	 input CLK;
	 output reg FOUR_CLK;
	 output reg ONETWENTY_CLK;
	 output reg ONE_CLK;
	 output reg BLINK_CLK;
	 output reg FAST_CLK;

	parameter constant1 = 12500000;
	parameter constant2 = 416666;
	parameter constant3 = 50000000;
	parameter constant4 = 25000000;


	reg [31:0] count1;
	reg [31:0] count2;
	reg [31:0] count3;
	reg [31:0] count4;

	always @ (posedge CLK)
	begin
    if (count1 == constant1 - 1)
        count1 <= 32'b0;
		else
			count1 <= count1 + 1;

	 if (count2 == constant2 - 1)
		  count2 <= 32'b0;
		else
			count2 <= count2 + 1;

	 if (count3 == constant3 - 1)
		  count3 <= 32'b0;
		else
			count3 <= count3 + 1;

	 if (count4 == constant4 - 1)
		  count4 <= 32'b0;
		else
			count4 <= count4 + 1;
	end

	always @ (posedge CLK)
	begin
    if (count1 == constant1 - 1)
        FOUR_CLK <= ~FOUR_CLK;
		else
			FOUR_CLK <= FOUR_CLK;

	 if (count2 == constant2 - 1)
		  ONETWENTY_CLK <= ~ONETWENTY_CLK;
		else
			ONETWENTY_CLK <= ONETWENTY_CLK;

	if (count2 == constant2 - 1)
		  FAST_CLK <= ~FAST_CLK;
		else
			FAST_CLK <= FAST_CLK;

	 if (count3 == constant3 - 1)
		  ONE_CLK <= ~ONE_CLK;
		else
			ONE_CLK <= ONE_CLK;

	 if (count4 == constant4 - 1)
		   BLINK_CLK <= ~BLINK_CLK;
		 else
			 BLINK_CLK <= BLINK_CLK;
	end
endmodule