bin27seg.v

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//
//
//-----------------------------------------------------------------------------------
// DESCRIPTION   :   BIN to seven segments converter
//                   segment encoding
//                        a
//                      +---+ 
//                    f |   | b
//                      +---+  <- g
//                    e |   | c
//                      +---+
//                        d
//                  Enable (EN) active                : high
//                  Outputs (data_out) active         : low
// Download from :  http://www.pld.com.cn
//-----------------------------------------------------------------------------------



module bin27seg (data_in ,EN ,data_out );

	input [3:0] data_in ;

	input EN ;

	output [6:0] data_out ;
	reg [6:0] data_out ;


	always @(data_in or EN )
	begin
		data_out = 7'b1111111;
		if (EN == 1)
			case (data_in )
				4'b0000: data_out = 7'b1000000; // 0
				4'b0001: data_out = 7'b1111001; // 1
				4'b0010: data_out = 7'b0100100; // 2
				4'b0011: data_out = 7'b0110000; // 3
				4'b0100: data_out = 7'b0011001; // 4
				4'b0101: data_out = 7'b0010010; // 5
				4'b0110: data_out = 7'b0000011; // 6
				4'b0111: data_out = 7'b1111000; // 7
				4'b1000: data_out = 7'b0000000; // 8
				4'b1001: data_out = 7'b0011000; // 9
				4'b1010: data_out = 7'b0001000; // A
				4'b1011: data_out = 7'b0000011; // b
				4'b1100: data_out = 7'b0100111; // c
				4'b1101: data_out = 7'b0100001; // d
				4'b1110: data_out = 7'b0000110; // E
				4'b1111: data_out = 7'b0001110; // F
				default: data_out = 7'b1111111;
			endcase
	end

endmodule

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