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82. JK Flip-Flop with Enable

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Code

module jk_ff_enable (
    input  CLK,
    input  EN,
    input  J,
    input  K,
    output reg Q
);
    always @(posedge CLK)
    begin
        if(EN == 1'b0)
            Q <= Q;
        else
        begin
            case({J,K})
                2'b00 : Q <= Q;
                2'b01 : Q <= 1'b0;
                2'b10 : Q <= 1'b1;
                2'b11 : Q <= ~Q;
                default : Q <= Q;
            endcase
        end
    end
    
endmodule

 

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