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84. T Flip-Flop with Asynchronous Preset and Reset

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Solving Approach

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Code

module t_ff_async_pr (
    input  CLK,
    input  RST,
    input  PRE,
    input  T,
    output reg Q
);

    always @(posedge CLK or posedge RST or posedge PRE) begin
        if (RST)
            Q <= 1'b0;
        else if (PRE)
            Q <= 1'b1;
        else if (T)
            Q <= ~Q;
    end

endmodule

 

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