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72. 7-Segment Display Decoder

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Solving Approach

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Code

module sevenseg_hex (
    input  wire [3:0] hex,
    output reg  [6:0] seg
);

always @(*) begin
    case (hex)

        //      abcdefg
        4'h0: seg = 7'b1111110;
        4'h1: seg = 7'b0110000;
        4'h2: seg = 7'b1101101;
        4'h3: seg = 7'b1111001;
        4'h4: seg = 7'b0110011;
        4'h5: seg = 7'b1011011;
        4'h6: seg = 7'b1011111;
        4'h7: seg = 7'b1110000;
        4'h8: seg = 7'b1111111;
        4'h9: seg = 7'b1111011;

        // Hex characters
        4'hA: seg = 7'b1110111;
        4'hB: seg = 7'b0011111;
        4'hC: seg = 7'b1001110;
        4'hD: seg = 7'b0111101;
        4'hE: seg = 7'b1001111;
        4'hF: seg = 7'b1000111;

        // Default OFF
        default: seg = 7'b0000000;

    endcase
end

endmodule

 

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