module aibcr3_dcc_phasedet_single (
        output wire     t_down, 
        output wire     t_up, 
        input wire      CLKA, 
        input wire      CLKB,
        input wire      RSTb
    );


    aibcr3_dcc_phasedet phasedet (
        .t_down (),
        .t_up   (t_up),
        .CLKA   (CLKA),
        .CLKB   (CLKB),
        .RSTb   (RSTb)
    );

    assign t_down = !t_up;

endmodule