io_lvds_synplify.v

基于VHDL语言的低压差分接口规范的实现

FDSE off_p (.D(D),   .CE(CE), .C(C), .S(S), .Q(q_p)) /* synthesis syn_noprune = 1 IOB = true */ ;
FDRE off_n (.D(D_n), .CE(CE), .C(C), .R(S), .Q(q_n)) /* synthesis syn_noprune = 1 IOB = true */ ;
OBUF_LVDS pad_p (.I(q_p), .O(O)) /* synthesis syn_noprune = 1 */ ;
OBUF_LVDS pad_n (.I(q_n), .O(OB)) /* synthesis syn_noprune = 1 */ ;

endmodule // OBUFDS_FDSE_LVDS

// **************
// Output Latches
// **************

module OBUFDS_LD_LVDS (D,G,O,OB);
input D, G;
output O,OB;

wire D_n,q_p,q_n /* synthesis syn_keep = 1 */ ;
wire CLR = 0; // Used to ensure that p and n are opposite on reset

INV  inv_n (.I(D), .O(D_n)) /* synthesis syn_noprune = 1 */ ;
LDC olatch_p (.D(D), .G(G), .CLR(CLR), .Q(q_p));   
			/* synthesis syn_noprune = 1 IOB = true */ ;
LDP olatch_n (.D(D_n), .G(G), .PRE(CLR), .Q(q_n)) /* synthesis syn_noprune = 1 IOB = true */ ;
OBUF_LVDS pad_p (.I(q_p), .O(O)) /* synthesis syn_noprune = 1 */ ;
OBUF_LVDS pad_n (.I(q_n), .O(OB)) /* synthesis syn_noprune = 1 */ ;

endmodule // OBUFDS_LD_LVDS

module OBUFDS_LDE_LVDS (D,GE,G,O,OB);
input D, GE, G;
output O,OB;

wire D_n,q_p,q_n /* synthesis syn_keep = 1 */ ;
wire CLR = 0; // Used to ensure that p and n are opposite on reset

INV  inv_n (.I(D), .O(D_n)) /* synthesis syn_noprune = 1 */ ;
LDCE olatch_p (.D(D),   .GE(GE), .G(G), .CLR(CLR), .Q(q_p)) /* synthesis syn_noprune = 1 IOB = true */ ;
LDPE olatch_n (.D(D_n), .GE(GE), .G(G), .PRE(CLR), .Q(q_n)) /* synthesis syn_noprune = 1 IOB = true */ ;
OBUF_LVDS pad_p (.I(q_p), .O(O)) /* synthesis syn_noprune = 1 */ ;
OBUF_LVDS pad_n (.I(q_n), .O(OB)) /* synthesis syn_noprune = 1 */ ;

endmodule // OBUFDS_LDE_LVDS

module OBUFDS_LDC_LVDS (D,G,CLR,O,OB);
input D, G, CLR;
output O,OB;

wire D_n,q_p,q_n /* synthesis syn_keep = 1 */ ;

INV  inv_n (.I(D), .O(D_n)) /* synthesis syn_noprune = 1 */ ;
LDC olatch_p (.D(D),   .G(G), .CLR(CLR), .Q(q_p)) /* synthesis syn_noprune = 1 IOB = true */ ;
LDP olatch_n (.D(D_n), .G(G), .PRE(CLR), .Q(q_n)) /* synthesis syn_noprune = 1 IOB = true */ ;
OBUF_LVDS pad_p (.I(q_p), .O(O)) /* synthesis syn_noprune = 1 */ ;
OBUF_LVDS pad_n (.I(q_n), .O(OB)) /* synthesis syn_noprune = 1 */ ;

endmodule // OBUFDS_LDC_LVDS

module OBUFDS_LDCE_LVDS (D,GE,G,CLR,O,OB);
input D, GE, G, CLR;
output O,OB;

wire D_n,q_p,q_n /* synthesis syn_keep = 1 */ ;

INV  inv_n (.I(D), .O(D_n)) /* synthesis syn_noprune = 1 */ ;
LDCE olatch_p (.D(D),   .GE(GE), .G(G), .CLR(CLR), .Q(q_p)) /* synthesis syn_noprune = 1 IOB = true */ ;
LDPE olatch_n (.D(D_n), .GE(GE), .G(G), .PRE(CLR), .Q(q_n)) /* synthesis syn_noprune = 1 IOB = true */ ;
OBUF_LVDS pad_p (.I(q_p), .O(O)) /* synthesis syn_noprune = 1 */ ;
OBUF_LVDS pad_n (.I(q_n), .O(OB)) /* synthesis syn_noprune = 1 */ ;

endmodule // OBUFDS_LDCE_LVDS

module OBUFDS_LDP_LVDS (D,G,PRE,O,OB);
input D, G, PRE;
output O,OB;

wire D_n,q_p,q_n /* synthesis syn_keep = 1 */ ;

INV  inv_n (.I(D), .O(D_n)) /* synthesis syn_noprune = 1 */ ;
LDP olatch_p (.D(D),   .G(G), .PRE(PRE), .Q(q_p)) /* synthesis syn_noprune = 1 IOB = true */ ;
LDC olatch_n (.D(D_n), .G(G), .CLR(PRE), .Q(q_n)) /* synthesis syn_noprune = 1 IOB = true */ ;
OBUF_LVDS pad_p (.I(q_p), .O(O)) /* synthesis syn_noprune = 1 */ ;
OBUF_LVDS pad_n (.I(q_n), .O(OB)) /* synthesis syn_noprune = 1 */ ;

endmodule // OBUFDS_LDP_LVDS

module OBUFDS_LDPE_LVDS (D,GE,G,PRE,O,OB);
input D, GE, G, PRE;
output O,OB;

wire D_n,q_p,q_n /* synthesis syn_keep = 1 */ ;

INV  inv_n (.I(D), .O(D_n)) /* synthesis syn_noprune = 1 */ ;
LDPE olatch_p (.D(D),   .GE(GE), .G(G), .PRE(PRE), .Q(q_p)) /* synthesis syn_noprune = 1 IOB = true */ ;
LDCE olatch_n (.D(D_n), .GE(GE), .G(G), .CLR(PRE), .Q(q_n)) /* synthesis syn_noprune = 1 IOB = true */ ;
OBUF_LVDS pad_p (.I(q_p), .O(O)) /* synthesis syn_noprune = 1 */ ;
OBUF_LVDS pad_n (.I(q_n), .O(OB)) /* synthesis syn_noprune = 1 */ ;	

endmodule // OBUFDS_LDPE_LVDS

// *************************************
// Start of the Tri-State Output Buffers
// Tri-state output flipflops
// *************************************

module OBUFTDS_FD_LVDS (D,T,C,O,OB);
input D, T, C;
output O,OB;

wire D_n,q_p,q_n,t_p,t_n /* synthesis syn_keep = 1 */ ;
wire CLR = 0;

INV inv_n (.I(D), .O(D_n)) /* synthesis syn_noprune = 1 */ ;
FDC off_p (.D(D),   .C(C), .CLR(CLR), .Q(q_p)) /* synthesis syn_noprune = 1 IOB = true */ ;
FDP off_n (.D(D_n), .C(C), .PRE(CLR), .Q(q_n)) /* synthesis syn_noprune = 1 IOB = true */ ;
FDP tri_p (.D(T),   .C(C), .PRE(CLR), .Q(t_p)) /* synthesis syn_noprune = 1 IOB = true */ ;
FDP tri_n (.D(T),   .C(C), .PRE(CLR), .Q(t_n)) /* synthesis syn_noprune = 1 IOB = true */ ;
OBUFT_LVDS pad_p (.I(q_p), .T(t_p), .O(O)) /* synthesis syn_noprune = 1 */ ;
OBUFT_LVDS pad_n (.I(q_n), .T(t_n), .O(OB)) /* synthesis syn_noprune = 1 */ ;

endmodule // OBUFTDS_FD_LVDS

module OBUFTDS_FDE_LVDS (D,T,CE,C,O,OB);
input D, T, CE, C;
output O,OB;

wire D_n,q_p,q_n,t_p,t_n /* synthesis syn_keep = 1 */ ;
wire CLR = 0;

INV  inv_n (.I(D), .O(D_n)) /* synthesis syn_noprune = 1 */ ;
FDCE off_p (.D(D),   .CE(CE), .C(C), .CLR(CLR), .Q(q_p)); 
		/* synthesis syn_noprune = 1 IOB = true */ ;
FDPE off_n (.D(D_n), .CE(CE), .C(C), .PRE(CLR), .Q(q_n)) /* synthesis syn_noprune = 1 IOB = true */ ;
FDPE tri_p (.D(T),   .CE(CE), .C(C), .PRE(CLR), .Q(t_p)) /* synthesis syn_noprune = 1 IOB = true */ ;
FDPE tri_n (.D(T),   .CE(CE), .C(C), .PRE(CLR), .Q(t_n)) /* synthesis syn_noprune = 1 IOB = true */ ;
OBUFT_LVDS pad_p (.I(q_p), .T(t_p), .O(O)) /* synthesis syn_noprune = 1 */ ;
OBUFT_LVDS pad_n (.I(q_n), .T(t_n), .O(OB)) /* synthesis syn_noprune = 1 */ ;

endmodule // OBUFTDS_FDE_LVDS
 
module OBUFTDS_FDC_LVDS (D,T,C,CLR,O,OB);
input D, T, C, CLR;
output O,OB;

wire D_n,q_p,q_n,t_p,t_n /* synthesis syn_keep = 1 */ ;

INV inv_n (.I(D), .O(D_n)) /* synthesis syn_noprune = 1 */ ;
FDC off_p (.D(D),   .C(C), .CLR(CLR), .Q(q_p)) /* synthesis syn_noprune = 1 IOB = true */ ;
FDP off_n (.D(D_n), .C(C), .PRE(CLR), .Q(q_n)) /* synthesis syn_noprune = 1 IOB = true */ ;
FDP tri_p (.D(T),   .C(C), .PRE(CLR), .Q(t_p)) /* synthesis syn_noprune = 1 IOB = true */ ;
FDP tri_n (.D(T),   .C(C), .PRE(CLR), .Q(t_n)) /* synthesis syn_noprune = 1 IOB = true */ ;
OBUFT_LVDS pad_p (.I(q_p), .T(t_p), .O(O)) /* synthesis syn_noprune = 1 */ ;
OBUFT_LVDS pad_n (.I(q_n), .T(t_n), .O(OB)) /* synthesis syn_noprune = 1 */ ;

endmodule // OBUFTDS_FDC_LVDS

module OBUFTDS_FDCE_LVDS (D,T,CE,C,CLR,O,OB);
input D, T, CE, C, CLR;
output O,OB;

wire D_n,q_p,q_n,t_p,t_n /* synthesis syn_keep = 1 */ ;

INV  inv_n (.I(D), .O(D_n)) /* synthesis syn_noprune = 1 */ ;
FDCE off_p (.D(D),   .CE(CE), .C(C), .CLR(CLR), .Q(q_p)) /* synthesis syn_noprune = 1 IOB = true */ ;
FDPE off_n (.D(D_n), .CE(CE), .C(C), .PRE(CLR), .Q(q_n)) /* synthesis syn_noprune = 1 IOB = true */ ;
FDPE tri_p (.D(T),   .CE(CE), .C(C), .PRE(CLR), .Q(t_p)) /* synthesis syn_noprune = 1 IOB = true */ ;
FDPE tri_n (.D(T),   .CE(CE), .C(C), .PRE(CLR), .Q(t_n)) /* synthesis syn_noprune = 1 IOB = true */ ;
OBUFT_LVDS pad_p (.I(q_p), .T(t_p), .O(O)) /* synthesis syn_noprune = 1 */ ;
OBUFT_LVDS pad_n (.I(q_n), .T(t_n), .O(OB)) /* synthesis syn_noprune = 1 */ ;

endmodule // OBUFTDS_FDCE_LVDS

module OBUFTDS_FDP_LVDS (D,T,C,PRE,O,OB);
input D, T, C, PRE;
output O,OB;

wire D_n,q_p,q_n,t_p,t_n /* synthesis syn_keep = 1 */ ;

INV  inv_n (.I(D), .O(D_n)) /* synthesis syn_noprune = 1 */ ;
FDP off_p (.D(D),   .C(C), .PRE(PRE), .Q(q_p)) /* synthesis syn_noprune = 1 IOB = true */ ;
FDC off_n (.D(D_n), .C(C), .CLR(PRE), .Q(q_n)) /* synthesis syn_noprune = 1 IOB = true */ ;
FDP tri_p (.D(T),   .C(C), .PRE(PRE), .Q(t_p)) /* synthesis syn_noprune = 1 IOB = true */ ;
FDP tri_n (.D(T),   .C(C), .PRE(PRE), .Q(t_n)) /* synthesis syn_noprune = 1 IOB = true */ ;
OBUFT_LVDS pad_p (.I(q_p), .T(t_p), .O(O)) /* synthesis syn_noprune = 1 */ ;
OBUFT_LVDS pad_n (.I(q_n), .T(t_n), .O(OB)) /* synthesis syn_noprune = 1 */ ;

endmodule // OBUFTDS_FDP_LVDS

module OBUFTDS_FDPE_LVDS (D,T,CE,C,PRE,O,OB);
input D, T, CE, C, PRE;
output O,OB;

wire D_n,q_p,q_n,t_p,t_n /* synthesis syn_keep = 1 */ ;

INV  inv_n (.I(D), .O(D_n)) /* synthesis syn_noprune = 1 */ ;
FDPE off_p (.D(D),   .CE(CE), .C(C), .PRE(PRE), .Q(q_p)) /* synthesis syn_noprune = 1 IOB = true */ ;
FDCE off_n (.D(D_n), .CE(CE), .C(C), .CLR(PRE), .Q(q_n)) /* synthesis syn_noprune = 1 IOB = true */ ;
FDPE tri_p (.D(T),   .CE(CE), .C(C), .PRE(PRE), .Q(t_p)) /* synthesis syn_noprune = 1 IOB = true */ ;
FDPE tri_n (.D(T),   .CE(CE), .C(C), .PRE(PRE), .Q(t_n)) /* synthesis syn_noprune = 1 IOB = true */ ;
OBUFT_LVDS pad_p (.I(q_p), .T(t_p), .O(O)) /* synthesis syn_noprune = 1 */ ;
OBUFT_LVDS pad_n (.I(q_n), .T(t_n), .O(OB)) /* synthesis syn_noprune = 1 */ ;

endmodule // OBUFTDS_FDPE_LVDS

module OBUFTDS_FDR_LVDS (D,T,C,R,O,OB);
input D, T, C, R;
output O,OB;

wire D_n,q_p,q_n,t_p,t_n /* synthesis syn_keep = 1 */ ;

INV  inv_n (.I(D), .O(D_n)) /* synthesis syn_noprune = 1 */ ;
FDR off_p (.D(D),   .C(C), .R(R), .Q(q_p)) /* synthesis syn_noprune = 1 IOB = true */ ;
FDS off_n (.D(D_n), .C(C), .S(R), .Q(q_n)) /* synthesis syn_noprune = 1 IOB = true */ ;
FDS tri_p (.D(T),   .C(C), .S(R), .Q(t_p)) /* synthesis syn_noprune = 1 IOB = true */ ;
FDS tri_n (.D(T),   .C(C), .S(R), .Q(t_n)) /* synthesis syn_noprune = 1 IOB = true */ ;
OBUFT_LVDS pad_p (.I(q_p), .T(t_p), .O(O)) /* synthesis syn_noprune = 1 */ ;
OBUFT_LVDS pad_n (.I(q_n), .T(t_n), .O(OB)) /* synthesis syn_noprune = 1 */ ;

endmodule // OBUFTDS_FDR_LVDS

module OBUFTDS_FDRE_LVDS (D,T,CE,C,R,O,OB);
input D, T, CE, C, R;
output O,OB;

wire D_n,q_p,q_n,t_p,t_n /* synthesis syn_keep = 1 */ ;

INV  inv_n (.I(D), .O(D_n)) /* synthesis syn_noprune = 1 */ ;
FDRE off_p (.D(D),   .CE(CE), .C(C), .R(R), .Q(q_p)) /* synthesis syn_noprune = 1 IOB = true */ ;
FDSE off_n (.D(D_n), .CE(CE), .C(C), .S(R), .Q(q_n)) /* synthesis syn_noprune = 1 IOB = true */ ;
FDSE tri_p (.D(T),   .CE(CE), .C(C), .S(R), .Q(t_p)) /* synthesis syn_noprune = 1 IOB = true */ ;
FDSE tri_n (.D(T),   .CE(CE), .C(C), .S(R), .Q(t_n)) /* synthesis syn_noprune = 1 IOB = true */ ;
OBUFT_LVDS pad_p (.I(q_p), .T(t_p), .O(O)) /* synthesis syn_noprune = 1 */ ;
OBUFT_LVDS pad_n (.I(q_n), .T(t_n), .O(OB)) /* synthesis syn_noprune = 1 */ ;

endmodule // OBUFTDS_FDRE_LVDS

module OBUFTDS_FDS_LVDS (D,T,C,S,O,OB);
input D, T, C, S;
output O,OB;

wire D_n,q_p,q_n,t_p,t_n /* synthesis syn_keep = 1 */ ;

INV  inv_n (.I(D), .O(D_n)) /* synthesis syn_noprune = 1 */ ;
FDS off_p (.D(D),   .C(C), .S(S), .Q(q_p)) /* synthesis syn_noprune = 1 IOB = true */ ;
FDR off_n (.D(D_n), .C(C), .R(S), .Q(q_n)) /* synthesis syn_noprune = 1 IOB = true */ ;
FDS tri_p (.D(T),   .C(C), .S(S), .Q(t_p)) /* synthesis syn_noprune = 1 IOB = true */ ;
FDS tri_n (.D(T),   .C(C), .S(S), .Q(t_n)) /* synthesis syn_noprune = 1 IOB = true */ ;
OBUFT_LVDS pad_p (.I(q_p), .T(t_p), .O(O)) /* synthesis syn_noprune = 1 */ ;
OBUFT_LVDS pad_n (.I(q_n), .T(t_n), .O(OB)) /* synthesis syn_noprune = 1 */ ;

endmodule // OBUFTDS_FDS_LVDS

module OBUFTDS_FDSE_LVDS (D,T,CE,C,S,O,OB);
input D, T, CE, C, S;
output O,OB;

wire D_n,q_p,q_n,t_p,t_n /* synthesis syn_keep = 1 */ ;

INV  inv_n (.I(D), .O(D_n)) /* synthesis syn_noprune = 1 */ ;
FDSE off_p (.D(D),   .CE(CE), .C(C), .S(S), .Q(q_p)) /* synthesis syn_noprune = 1 IOB = true */ ;
FDRE off_n (.D(D_n), .CE(CE), .C(C), .R(S), .Q(q_n)) /* synthesis syn_noprune = 1 IOB = true */ ;
FDSE tri_p (.D(T),   .CE(CE), .C(C), .S(S), .Q(t_p)) /* synthesis syn_noprune = 1 IOB = true */ ;
FDSE tri_n (.D(T),   .CE(CE), .C(C), .S(S), .Q(t_n)) /* synthesis syn_noprune = 1 IOB = true */ ;
OBUFT_LVDS pad_p (.I(q_p), .T(t_p), .O(O)) /* synthesis syn_noprune = 1 */ ;
OBUFT_LVDS pad_n (.I(q_n), .T(t_n), .O(OB)) /* synthesis syn_noprune = 1 */ ;

endmodule // OBUFTDS_FDSE_LVDS

// ************************
// Tri-state output LATCHES
// ************************

module OBUFTDS_LD_LVDS (D,T,G,O,OB);
input D, T, G;
output O,OB;

wire D_n,q_p,q_n,t_p,t_n /* synthesis syn_keep = 1 */ ;
wire CLR = 0;

INV inv_n (.I(D), .O(D_n)) /* synthesis syn_noprune = 1 */ ;
LDC olatch_p (.D(D),   .G(G), .CLR(CLR), .Q(q_p)) /* synthesis syn_noprune = 1 IOB = true */ ;
LDP olatch_n (.D(D_n), .G(G), .PRE(CLR), .Q(q_n)) /* synthesis syn_noprune = 1 IOB = true */ ;
LDP tri_p (.D(T),   .G(G), .PRE(CLR), .Q(t_p)) /* synthesis syn_noprune = 1 IOB = true */ ;
LDP tri_n (.D(T),   .G(G), .PRE(CLR), .Q(t_n)) /* synthesis syn_noprune = 1 IOB = true */ ;
OBUFT_LVDS pad_p (.I(q_p), .T(t_p), .O(O)) /* synthesis syn_noprune = 1 */ ;
OBUFT_LVDS pad_n (.I(q_n), .T(t_n), .O(OB)) /* synthesis syn_noprune = 1 */ ;

endmodule // OBUFTDS_LD_LVDS

module OBUFTDS_LDE_LVDS (D,T,GE,G,O,OB);
input D, T, GE, G;
output O,OB;

wire D_n,q_p,q_n,t_p,t_n /* synthesis syn_keep = 1 */ ;
wire CLR = 0;

INV  inv_n (.I(D), .O(D_n)) /* synthesis syn_noprune = 1 */ ;
LDCE olatch_p (.D(D),   .GE(GE), .G(G), .CLR(CLR), .Q(q_p)) /* synthesis syn_noprune = 1 IOB = true */ ;
LDPE olatch_n (.D(D_n), .GE(GE), .G(G), .PRE(CLR), .Q(q_n)) /* synthesis syn_noprune = 1 IOB = true */ ;
LDPE tri_p (.D(T),   .GE(GE), .G(G), .PRE(CLR), .Q(t_p)) /* synthesis syn_noprune = 1 IOB = true */ ;
LDPE tri_n (.D(T),   .GE(GE), .G(G), .PRE(CLR), .Q(t_n)) /* synthesis syn_noprune = 1 IOB = true */ ;
OBUFT_LVDS pad_p (.I(q_p), .T(t_p), .O(O)) /* synthesis syn_noprune = 1 */ ;
OBUFT_LVDS pad_n (.I(q_n), .T(t_n), .O(OB)) /* synthesis syn_noprune = 1 */ ;

endmodule // OBUFTDS_LDE_LVDS
 
module OBUFTDS_LDC_LVDS (D,T,G,CLR,O,OB);
input D, T, G, CLR;
output O,OB;

wire D_n,q_p,q_n,t_p,t_n /* synthesis syn_keep = 1 */ ;

INV inv_n (.I(D), .O(D_n)) /* synthesis syn_noprune = 1 */ ;
LDC olatch_p (.D(D),   .G(G), .CLR(CLR), .Q(q_p)) /* synthesis syn_noprune = 1 IOB = true */ ;
LDP olatch_n (.D(D_n), .G(G), .PRE(CLR), .Q(q_n)) /* synthesis syn_noprune = 1 IOB = true */ ;
LDP tri_p (.D(T),   .G(G), .PRE(CLR), .Q(t_p)) /* synthesis syn_noprune = 1 IOB = true */ ;
LDP tri_n (.D(T),   .G(G), .PRE(CLR), .Q(t_n)) /* synthesis syn_noprune = 1 IOB = true */ ;
OBUFT_LVDS pad_p (.I(q_p), .T(t_p), .O(O)) /* synthesis syn_noprune = 1 */ ;
OBUFT_LVDS pad_n (.I(q_n), .T(t_n), .O(OB)) /* synthesis syn_noprune = 1 */ ;

endmodule // OBUFTDS_LDC_LVDS

module OBUFTDS_LDCE_LVDS (D,T,GE,G,CLR,O,OB);
input D, T, GE, G, CLR;
output O,OB;

wire D_n,q_p,q_n,t_p,t_n /* synthesis syn_keep = 1 */ ;

INV  inv_n (.I(D), .O(D_n)) /* synthesis syn_noprune = 1 */ ;
LDCE olatch_p (.D(D),   .GE(GE), .G(G), .CLR(CLR), .Q(q_p)) /* synthesis syn_noprune = 1 IOB = true */ ;
LDPE olatch_n (.D(D_n), .GE(GE), .G(G), .PRE(CLR), .Q(q_n)) /* synthesis syn_noprune = 1 IOB = true */ ;
LDPE tri_p (.D(T),   .GE(GE), .G(G), .PRE(CLR), .Q(t_p)) /* synthesis syn_noprune = 1 IOB = true */ ;
LDPE tri_n (.D(T),   .GE(GE), .G(G), .PRE(CLR), .Q(t_n)) /* synthesis syn_noprune = 1 IOB = true */ ;
OBUFT_LVDS pad_p (.I(q_p), .T(t_p), .O(O)) /* synthesis syn_noprune = 1 */ ;
OBUFT_LVDS pad_n (.I(q_n), .T(t_n), .O(OB)) /* synthesis syn_noprune = 1 */ ;

endmodule // OBUFTDS_LDCE_LVDS

module OBUFTDS_LDP_LVDS (D,T,G,PRE,O,OB);
input D, T, G, PRE;
output O,OB;