Clock Divider Verilog 50 Mhz 1hz -
module clock_divider_50M_to_1Hz ( input wire clk_50mhz, // 50 MHz input clock input wire rst_n, // Active-low reset output reg clk_1hz // 1 Hz output clock ); // 50 MHz → 1 Hz requires division by 50,000,000 // Count from 0 to 24,999,999 (toggle) then repeat // Total cycles: 50,000,000 = 2 × 25,000,000
// Instantiate the clock divider clock_divider_50M_to_1Hz uut ( .clk_50mhz(clk_50mhz), .rst_n(rst_n), .clk_1hz(clk_1hz) ); clock divider verilog 50 mhz 1hz
// Stage 2: 100 Hz → 10 Hz (divide by 10) clock_divider #(100, 10) stage2 (clk_100hz, rst_n, clk_10hz); module clock_divider_50M_to_1Hz ( input wire clk_50mhz
always @(posedge clk_in or negedge rst_n) begin if (!rst_n) begin counter <= 0; clk_out <= 0; end else begin if (counter == MAX_COUNT) begin counter <= 0; clk_out <= ~clk_out; end else begin counter <= counter + 1; end end end endmodule `timescale 1ns / 1ps module tb_clock_divider; 000 = 2 × 25
module clock_divider_50M_to_1Hz ( input wire clk_50mhz, // 50 MHz input clock input wire rst_n, // Active-low reset output reg clk_1hz // 1 Hz output clock ); // 50 MHz → 1 Hz requires division by 50,000,000 // Count from 0 to 24,999,999 (toggle) then repeat // Total cycles: 50,000,000 = 2 × 25,000,000
// Instantiate the clock divider clock_divider_50M_to_1Hz uut ( .clk_50mhz(clk_50mhz), .rst_n(rst_n), .clk_1hz(clk_1hz) );
// Stage 2: 100 Hz → 10 Hz (divide by 10) clock_divider #(100, 10) stage2 (clk_100hz, rst_n, clk_10hz);
always @(posedge clk_in or negedge rst_n) begin if (!rst_n) begin counter <= 0; clk_out <= 0; end else begin if (counter == MAX_COUNT) begin counter <= 0; clk_out <= ~clk_out; end else begin counter <= counter + 1; end end end endmodule `timescale 1ns / 1ps module tb_clock_divider;