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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)begin
        if(J == 0 && K == 0)
            Q <= Q ;
        else if(J == 0 && K == 1)
            Q <= 0 ;
        else if(J == 1 && K == 0)
            Q <= 1 ;
        else if(J == 1 && K == 1)
            Q <= ~Q ;
    end
    else 
        Q <= Q ; 
end
endmodule

 

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