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17. Binary to Gray Code Converter

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Solving Approach

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Code

/*Write your code here*/

module bin2gray4(
    input[3:0] bin_in,
    output reg[3:0] gray_out
);
    always@(*) begin
        case(bin_in)
            4'b0000 : gray_out = 4'b0000;
            4'b0001 : gray_out = 4'b0001;
            4'b0010 : gray_out = 4'b0011;
            4'b0011 : gray_out = 4'b0010;
            4'b0100 : gray_out = 4'b0110;
            4'b0101 : gray_out = 4'b0111;
            4'b0110 : gray_out = 4'b0101;
            4'b0111 : gray_out = 4'b0100;
            4'b1000 : gray_out = 4'b1100;
            4'b1001 : gray_out = 4'b1101;
            4'b1010 : gray_out = 4'b1111;
            4'b1011 : gray_out = 4'b1110;
            4'b1100 : gray_out = 4'b1010;
            4'b1101 : gray_out = 4'b1011;
            4'b1110 : gray_out = 4'b1001;
            4'b1111 : gray_out = 4'b1000;
        endcase
    end

endmodule
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