ТЕМА: Простой таймер- счетчик

module Multiphase_cont (
// INPUT
input wire RST_IN, CLK_50M,
// OUTPUT
output reg [3:0] PWM_OUT,
output wire TEST_1
);


reg [3:0] State_PWM2 = 0;
reg [31:0] TMR2_DAT, temp;


always @ (posedge CLK_50M) begin
	if(RST) begin
		State_PWM2 <= 0;
		PWM_OUT[1] <= 0;
		TMR2_DAT <= 0;
	end
	else begin
		case(State_PWM2) 
		0:begin
			temp <= 30;
			State_PWM2 <= 1;
		end
		1:begin
			if(TMR2_DAT != temp)begin
				TMR2_DAT = TMR2_DAT +1;
				PWM_OUT[1] <= 1;
			end
			else begin
				TMR2_DAT <= 0;
				State_PWM2 <= 2;
				PWM_OUT[1] <= 0;
			end
		end
		2:begin
			if(TMR2_DAT != temp)begin
				TMR2_DAT = TMR2_DAT +1;
				PWM_OUT[1] <= 0;
			end
			else begin
				TMR2_DAT <= 0;
				State_PWM2 <= 3;
				PWM_OUT[1] <= 0;
			end
		end
		3:begin
			State_PWM2 <= 0;
		end
		endcase
	end

end
//============================================


///////////////////////////////////////////////////////////////////////////
endmodule