dds.sdf

FPGA中实现基于查找表方式（LUT）的DDS实现

    (PATHCONSTRAINT addr_acc\[8\]/CLK  addr_acc\[8\]/Q  data_out\[3\]/A  data_out\[3\]/Y  	(1000.0:1000.0:1000.0) )

    (PATHCONSTRAINT addr_acc\[8\]/CLK  addr_acc\[8\]/Q  data_out\[4\]/A  data_out\[4\]/Y  	(1000.0:1000.0:1000.0) )

    (PATHCONSTRAINT addr_acc\[8\]/CLK  addr_acc\[8\]/Q  data_out\[5\]/A  data_out\[5\]/Y  	(1000.0:1000.0:1000.0) )

    (PATHCONSTRAINT addr_acc\[8\]/CLK  addr_acc\[8\]/Q  data_out\[6\]/A  data_out\[6\]/Y  	(1000.0:1000.0:1000.0) )

    (PATHCONSTRAINT addr_acc\[8\]/CLK  addr_acc\[8\]/Q  data_out\[7\]/A  data_out\[7\]/Y  	(1000.0:1000.0:1000.0) )

    (PATHCONSTRAINT addr_acc\[9\]/CLK  addr_acc\[9\]/Q  rom_addr_1\[0\]/A  rom_addr_1\[0\]/Y  	(1000.0:1000.0:1000.0) )

    (PATHCONSTRAINT addr_acc\[9\]/CLK  addr_acc\[9\]/Q  rom_addr_1\[1\]/A  rom_addr_1\[1\]/Y  	(1000.0:1000.0:1000.0) )

    (PATHCONSTRAINT addr_acc\[9\]/CLK  addr_acc\[9\]/Q  rom_addr_1\[2\]/A  rom_addr_1\[2\]/Y  	(1000.0:1000.0:1000.0) )

    (PATHCONSTRAINT addr_acc\[9\]/CLK  addr_acc\[9\]/Q  rom_addr_1\[3\]/A  rom_addr_1\[3\]/Y  	(1000.0:1000.0:1000.0) )

    (PATHCONSTRAINT addr_acc\[9\]/CLK  addr_acc\[9\]/Q  rom_addr_1\[4\]/A  rom_addr_1\[4\]/Y  	(1000.0:1000.0:1000.0) )

    (PATHCONSTRAINT addr_acc\[9\]/CLK  addr_acc\[9\]/Q  rom_addr_1\[5\]/A  rom_addr_1\[5\]/Y  	(1000.0:1000.0:1000.0) )

    (PATHCONSTRAINT addr_acc\[9\]/CLK  addr_acc\[9\]/Q  rom_addr_1\[6\]/A  rom_addr_1\[6\]/Y  	(1000.0:1000.0:1000.0) )

    (PATHCONSTRAINT addr_acc\[9\]/CLK  addr_acc\[9\]/Q  rom_addr_1\[7\]/A  rom_addr_1\[7\]/Y  	(1000.0:1000.0:1000.0) )

    (PATHCONSTRAINT addr_acc\[9\]/CLK  addr_acc\[9\]/Q  rom_addr_1\[8\]/A  rom_addr_1\[8\]/Y  	(1000.0:1000.0:1000.0) )

    (PATHCONSTRAINT addr_acc\[1\]/CLK  addr_acc\[1\]/Q  rom_addr_1\[1\]/B  rom_addr_1\[1\]/Y  	(1000.0:1000.0:1000.0) )

    (PATHCONSTRAINT addr_acc\[2\]/CLK  addr_acc\[2\]/Q  rom_addr_1\[2\]/B  rom_addr_1\[2\]/Y  	(1000.0:1000.0:1000.0) )

    (PATHCONSTRAINT addr_acc\[3\]/CLK  addr_acc\[3\]/Q  rom_addr_1\[3\]/B  rom_addr_1\[3\]/Y  	(1000.0:1000.0:1000.0) )

    (PATHCONSTRAINT addr_acc\[4\]/CLK  addr_acc\[4\]/Q  rom_addr_1\[4\]/B  rom_addr_1\[4\]/Y  	(1000.0:1000.0:1000.0) )

    (PATHCONSTRAINT addr_acc\[5\]/CLK  addr_acc\[5\]/Q  rom_addr_1\[5\]/B  rom_addr_1\[5\]/Y  	(1000.0:1000.0:1000.0) )

    (PATHCONSTRAINT addr_acc\[6\]/CLK  addr_acc\[6\]/Q  rom_addr_1\[6\]/B  rom_addr_1\[6\]/Y  	(1000.0:1000.0:1000.0) )

    (PATHCONSTRAINT addr_acc\[7\]/CLK  addr_acc\[7\]/Q  rom_addr_1\[7\]/B  rom_addr_1\[7\]/Y  	(1000.0:1000.0:1000.0) )

    (PATHCONSTRAINT addr_acc\[0\]/CLK  addr_acc\[0\]/Q  rom_addr_1\[0\]/B  rom_addr_1\[0\]/Y  	(1000.0:1000.0:1000.0) )

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