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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, posedge RST, posedge PRE) begin
    if (RST) 
    Q <= 1'b0;
    else if(PRE) 
    Q <= 1'b1;
    else 
    Q <= T ? ~Q : Q;
end
    
endmodule

 

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