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84. T Flip-Flop with Asynchronous Preset and Reset

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

 

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