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PWM IN VERILOG

Here is a simple pulse width modulator (PWM) signal generator in Verilog:
module pwm_generator(
  input clk,
  input rst,
  input [7:0] duty_cycle,
  output reg pwm
);
  reg [15:0] count;

  always @(posedge clk or posedge rst) begin
    if (rst) begin
      count <= 0;
      pwm <= 0;
    end else begin
      if (count == 65535) begin
        count <= 0;
      end else begin
        count <= count + 1;
      end
      if (count < duty_cycle) begin
        pwm <= 1;
      end else begin
        pwm <= 0;
      end
    end
  end

endmodule

This module generates a PWM signal with a duty cycle that is adjustable from 0 to 100% (8-bit resolution). The frequency of the PWM signal is determined by the clock frequency. The count register is used to count clock cycles and the duty_cycle input determines the number of clock cycles for which the PWM signal is high.

I hope this helps! Let me know if you have any questions.

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