dds_vhd.sdo

一个可用的很不错的DDS 频率合成程序

    (DELAY
      (ABSOLUTE
        (PORT dataa (2066:2066:2066) (1615:1615:1615))
        (PORT datab (2744:2744:2744) (2103:2103:2103))
        (PORT datac (2037:2037:2037) (1586:1586:1586))
        (PORT datad (371:371:371) (267:267:267))
        (IOPATH dataa combout (499:499:499) (499:499:499))
        (IOPATH datab combout (494:494:494) (494:494:494))
        (IOPATH datac combout (370:370:370) (370:370:370))
        (IOPATH datad combout (206:206:206) (206:206:206))
      )
    )
  )
  (CELL
    (CELLTYPE "cycloneii_lcell_comb")
    (INSTANCE \\U2\|Equal0\~12684_I\\)
    (DELAY
      (ABSOLUTE
        (PORT dataa (732:732:732) (506:506:506))
        (PORT datab (1657:1657:1657) (1305:1305:1305))
        (PORT datac (379:379:379) (271:271:271))
        (PORT datad (2308:2308:2308) (1738:1738:1738))
        (IOPATH dataa combout (614:614:614) (614:614:614))
        (IOPATH datab combout (589:589:589) (589:589:589))
        (IOPATH datac combout (370:370:370) (370:370:370))
        (IOPATH datad combout (206:206:206) (206:206:206))
      )
    )
  )
  (CELL
    (CELLTYPE "cycloneii_lcell_comb")
    (INSTANCE \\U2\|Equal0\~12688_I\\)
    (DELAY
      (ABSOLUTE
        (PORT dataa (1867:1867:1867) (1354:1354:1354))
        (PORT datab (1550:1550:1550) (1185:1185:1185))
        (PORT datac (2026:2026:2026) (1584:1584:1584))
        (PORT datad (1890:1890:1890) (1428:1428:1428))
        (IOPATH dataa combout (604:604:604) (604:604:604))
        (IOPATH datab combout (577:577:577) (577:577:577))
        (IOPATH datac combout (370:370:370) (370:370:370))
        (IOPATH datad combout (206:206:206) (206:206:206))
      )
    )
  )
  (CELL
    (CELLTYPE "cycloneii_lcell_comb")
    (INSTANCE \\U2\|WideOr0\~379_I\\)
    (DELAY
      (ABSOLUTE
        (PORT dataa (1295:1295:1295) (1034:1034:1034))
        (PORT datab (1952:1952:1952) (1472:1472:1472))
        (PORT datac (1665:1665:1665) (1304:1304:1304))
        (PORT datad (1272:1272:1272) (1018:1018:1018))
        (IOPATH dataa combout (651:651:651) (651:651:651))
        (IOPATH datab combout (624:624:624) (624:624:624))
        (IOPATH datac combout (366:366:366) (366:366:366))
        (IOPATH datad combout (206:206:206) (206:206:206))
      )
    )
  )
  (CELL
    (CELLTYPE "cycloneii_lcell_comb")
    (INSTANCE \\U2\|WideOr0\~380_I\\)
    (DELAY
      (ABSOLUTE
        (PORT dataa (1268:1268:1268) (1002:1002:1002))
        (PORT datac (1211:1211:1211) (919:919:919))
        (PORT datad (1826:1826:1826) (1319:1319:1319))
        (IOPATH dataa combout (606:606:606) (606:606:606))
        (IOPATH datac combout (370:370:370) (370:370:370))
        (IOPATH datad combout (206:206:206) (206:206:206))
      )
    )
  )
  (CELL
    (CELLTYPE "cycloneii_asynch_io")
    (INSTANCE \\K\[8\]\~I\\.asynch_inst)
    (DELAY
      (ABSOLUTE
        (IOPATH padio combout (995:995:995) (995:995:995))
      )
    )
  )
  (CELL
    (CELLTYPE "cycloneii_asynch_io")
    (INSTANCE \\K\[7\]\~I\\.asynch_inst)
    (DELAY
      (ABSOLUTE
        (IOPATH padio combout (984:984:984) (984:984:984))
      )
    )
  )
  (CELL
    (CELLTYPE "cycloneii_asynch_io")
    (INSTANCE \\K\[5\]\~I\\.asynch_inst)
    (DELAY
      (ABSOLUTE
        (IOPATH padio combout (984:984:984) (984:984:984))
      )
    )
  )
  (CELL
    (CELLTYPE "cycloneii_asynch_io")
    (INSTANCE \\K\[2\]\~I\\.asynch_inst)
    (DELAY
      (ABSOLUTE
        (IOPATH padio combout (984:984:984) (984:984:984))
      )
    )
  )
  (CELL
    (CELLTYPE "cycloneii_asynch_io")
    (INSTANCE \\K\[0\]\~I\\.asynch_inst)
    (DELAY
      (ABSOLUTE
        (IOPATH padio combout (974:974:974) (974:974:974))
      )
    )
  )
  (CELL
    (CELLTYPE "cycloneii_asynch_io")
    (INSTANCE \\CLK\~I\\.asynch_inst)
    (DELAY
      (ABSOLUTE
        (IOPATH padio combout (1140:1140:1140) (1140:1140:1140))
      )
    )
  )
  (CELL
    (CELLTYPE "cycloneii_clkctrl")
    (INSTANCE \\CLK\~clkctrl_I\\)
    (DELAY
      (ABSOLUTE
        (PORT inclk[0] (143:143:143) (140:140:140))
      )
    )
  )
  (CELL
    (CELLTYPE "cycloneii_ena_reg")
    (INSTANCE \\CLK\~clkctrl_I\\.extena0_reg)
    (DELAY
      (ABSOLUTE
        (PORT d (304:304:304) (304:304:304))
        (PORT clk (0:0:0) (0:0:0))
        (IOPATH (posedge clk) q (260:260:260) (260:260:260))
      )
    )
    (TIMINGCHECK
      (SETUP d (posedge clk) (60:60:60))
      (HOLD d (posedge clk) (120:120:120))
    )
  )
  (CELL
    (CELLTYPE "cycloneii_asynch_io")
    (INSTANCE \\K\[1\]\~I\\.asynch_inst)
    (DELAY
      (ABSOLUTE
        (IOPATH padio combout (995:995:995) (995:995:995))
      )
    )
  )
  (CELL
    (CELLTYPE "cycloneii_lcell_comb")
    (INSTANCE \\U0\|TEMP\[0\]\~347_I\\)
    (DELAY
      (ABSOLUTE
        (PORT dataa (5775:5775:5775) (5446:5446:5446))
        (PORT datab (447:447:447) (345:345:345))
        (IOPATH dataa combout (650:650:650) (650:650:650))
        (IOPATH dataa cout (621:621:621) (621:621:621))
        (IOPATH datab combout (624:624:624) (624:624:624))
        (IOPATH datab cout (596:596:596) (596:596:596))
        (IOPATH datad combout (206:206:206) (206:206:206))
      )
    )
  )
  (CELL
    (CELLTYPE "cycloneii_asynch_io")
    (INSTANCE \\RESET\~I\\.asynch_inst)
    (DELAY
      (ABSOLUTE
        (IOPATH padio combout (1130:1130:1130) (1130:1130:1130))
      )
    )
  )
  (CELL
    (CELLTYPE "cycloneii_clkctrl")
    (INSTANCE \\RESET\~clkctrl_I\\)
    (DELAY
      (ABSOLUTE
        (PORT inclk[0] (143:143:143) (140:140:140))
      )
    )
  )
  (CELL
    (CELLTYPE "cycloneii_ena_reg")
    (INSTANCE \\RESET\~clkctrl_I\\.extena0_reg)
    (DELAY
      (ABSOLUTE
        (PORT d (304:304:304) (304:304:304))
        (PORT clk (0:0:0) (0:0:0))
        (IOPATH (posedge clk) q (260:260:260) (260:260:260))
      )
    )
    (TIMINGCHECK
      (SETUP d (posedge clk) (60:60:60))
      (HOLD d (posedge clk) (120:120:120))
    )
  )
  (CELL
    (CELLTYPE "cycloneii_asynch_io")
    (INSTANCE \\EN\~I\\.asynch_inst)
    (DELAY
      (ABSOLUTE
        (IOPATH padio combout (984:984:984) (984:984:984))
      )
    )
  )
  (CELL
    (CELLTYPE "cycloneii_lcell_ff")
    (INSTANCE \\U0\|TEMP\[0\]\~I\\)
    (DELAY
      (ABSOLUTE
        (PORT clk (1504:1504:1504) (1494:1494:1494))
        (PORT datain (108:108:108) (108:108:108))
        (PORT aclr (1511:1511:1511) (1501:1501:1501))
        (PORT ena (6937:6937:6937) (6569:6569:6569))
        (IOPATH (posedge clk) regout (304:304:304) (304:304:304))
        (IOPATH (posedge aclr) regout (267:267:267) (267:267:267))
      )
    )
    (TIMINGCHECK
      (HOLD datain (posedge clk) (306:306:306))
      (HOLD ena (posedge clk) (306:306:306))
    )
  )
  (CELL
    (CELLTYPE "cycloneii_lcell_comb")
    (INSTANCE \\U0\|TEMP\[1\]\~346_I\\)
    (DELAY
      (ABSOLUTE
        (PORT dataa (472:472:472) (353:353:353))
        (PORT datab (6173:6173:6173) (5720:5720:5720))
        (IOPATH dataa combout (647:647:647) (647:647:647))
        (IOPATH dataa cout (621:621:621) (621:621:621))
        (IOPATH datab combout (615:615:615) (615:615:615))
        (IOPATH datab cout (596:596:596) (596:596:596))
        (IOPATH datad combout (206:206:206) (206:206:206))
        (IOPATH cin combout (506:506:506) (506:506:506))
        (IOPATH cin cout (86:86:86) (86:86:86))
      )
    )
  )
  (CELL
    (CELLTYPE "cycloneii_lcell_comb")
    (INSTANCE \\U0\|TEMP\[2\]\~345_I\\)
    (DELAY
      (ABSOLUTE
        (PORT dataa (5763:5763:5763) (5433:5433:5433))
        (PORT datab (448:448:448) (345:345:345))
        (IOPATH dataa combout (650:650:650) (650:650:650))
        (IOPATH dataa cout (621:621:621) (621:621:621))
        (IOPATH datab combout (624:624:624) (624:624:624))
        (IOPATH datab cout (596:596:596) (596:596:596))
        (IOPATH datad combout (206:206:206) (206:206:206))
        (IOPATH cin combout (506:506:506) (506:506:506))
        (IOPATH cin cout (86:86:86) (86:86:86))
      )
    )
  )
  (CELL
    (CELLTYPE "cycloneii_lcell_ff")
    (INSTANCE \\U0\|TEMP\[2\]\~I\\)
    (DELAY
      (ABSOLUTE
        (PORT clk (1504:1504:1504) (1494:1494:1494))
        (PORT datain (108:108:108) (108:108:108))
        (PORT aclr (1511:1511:1511) (1501:1501:1501))
        (PORT ena (6937:6937:6937) (6569:6569:6569))
        (IOPATH (posedge clk) regout (304:304:304) (304:304:304))
        (IOPATH (posedge aclr) regout (267:267:267) (267:267:267))
      )
    )
    (TIMINGCHECK
      (HOLD datain (posedge clk) (306:306:306))
      (HOLD ena (posedge clk) (306:306:306))
    )
  )
  (CELL
    (CELLTYPE "cycloneii_lcell_ff")
    (INSTANCE \\U1\|Q\[2\]\~I\\)
    (DELAY
      (ABSOLUTE
        (PORT clk (1488:1488:1488) (1477:1477:1477))
        (PORT sdata (2388:2388:2388) (1894:1894:1894))
        (IOPATH (posedge clk) regout (304:304:304) (304:304:304))
      )
    )
    (TIMINGCHECK
      (HOLD sdata (posedge clk) (306:306:306))
    )
  )
  (CELL
    (CELLTYPE "cycloneii_lcell_ff")
    (INSTANCE \\U0\|TEMP\[1\]\~I\\)
    (DELAY
      (ABSOLUTE
        (PORT clk (1504:1504:1504) (1494:1494:1494))
        (PORT datain (108:108:108) (108:108:108))
        (PORT aclr (1511:1511:1511) (1501:1501:1501))
        (PORT ena (6937:6937:6937) (6569:6569:6569))
        (IOPATH (posedge clk) regout (304:304:304) (304:304:304))
        (IOPATH (posedge aclr) regout (267:267:267) (267:267:267))
      )
    )
    (TIMINGCHECK
      (HOLD datain (posedge clk) (306:306:306))
      (HOLD ena (posedge clk) (306:306:306))
    )
  )
  (CELL
    (CELLTYPE "cycloneii_lcell_ff")
    (INSTANCE \\U1\|Q\[1\]\~I\\)
    (DELAY
      (ABSOLUTE
        (PORT clk (1488:1488:1488) (1477:1477:1477))
        (PORT sdata (2004:2004:2004) (1594:1594:1594))
        (IOPATH (posedge clk) regout (304:304:304) (304:304:304))
      )
    )
    (TIMINGCHECK
      (HOLD sdata (posedge clk) (306:306:306))
    )
  )
  (CELL
    (CELLTYPE "cycloneii_lcell_comb")
    (INSTANCE \\U2\|Equal0\~12496_I\\)
    (DELAY
      (ABSOLUTE
        (PORT datac (1620:1620:1620) (1254:1254:1254))
        (PORT datad (1272:1272:1272) (1024:1024:1024))
        (IOPATH datac combout (366:366:366) (366:366:366))
        (IOPATH datad combout (206:206:206) (206:206:206))
      )
    )
  )
  (CELL
    (CELLTYPE "cycloneii_asynch_io")
    (INSTANCE \\K\[6\]\~I\\.asynch_inst)
    (DELAY
      (ABSOLUTE
        (IOPATH padio combout (975:975:975) (975:975:975))
      )
    )
  )
  (CELL
    (CELLTYPE "cycloneii_asynch_io")
    (INSTANCE \\K\[4\]\~I\\.asynch_inst)
    (DELAY
      (ABSOLUTE
        (IOPATH padio combout (1140:1140:1140) (1140:1140:1140))
      )
    )
  )
  (CELL
    (CELLTYPE "cycloneii_asynch_io")
    (INSTANCE \\K\[3\]\~I\\.asynch_inst)
    (DELAY
      (ABSOLUTE
        (IOPATH padio combout (1140:1140:1140) (1140:1140:1140))
      )
    )
  )
  (CELL