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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 == 1) begin  
        Q <=0;
    end 
    else begin
        if (PRE == 1) begin 
            Q <=1;
        end 
        else begin
            if (T) Q<=~Q;
            else Q<=Q;

        end 
    end

end 
    
endmodule

 

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