an_dcfifo_top_v.sdo

alteral FPGA VERILOG 利用 ROM DCFIFO 和RAM 实现高速到低速时钟域的数据传输

// Copyright (C) 1991-2007 Altera Corporation
// Your use of Altera Corporation's design tools, logic functions 
// and other software and tools, and its AMPP partner logic 
// functions, and any output files from any of the foregoing 
// (including device programming or simulation files), and any 
// associated documentation or information are expressly subject 
// to the terms and conditions of the Altera Program License 
// Subscription Agreement, Altera MegaCore Function License 
// Agreement, or other applicable license agreement, including, 
// without limitation, that your use is for the sole purpose of 
// programming logic devices manufactured by Altera and sold by 
// Altera or its authorized distributors.  Please refer to the 
// applicable agreement for further details.


// 
// Device: Altera EP3SE50F484C2 Package FBGA484
// 

//
// This file contains Slow Corner delays for the design using part EP3SE50F484C2,
// with speed grade 2, core voltage 1.1V, and temperature 85 Celsius
//

// 
// This SDF file should be used for ModelSim-Altera (Verilog) only
// 

(DELAYFILE
  (SDFVERSION "2.1")
  (DESIGN "an_dcfifo_top")
  (DATE "11/09/2007 12:05:47")
  (VENDOR "Altera")
  (PROGRAM "Quartus II")
  (VERSION "Version 7.2 Build 151 09/26/2007 SJ Full Version")
  (DIVIDER .)
  (TIMESCALE 1 ps)

  (CELL
    (CELLTYPE "dffeas")
    (INSTANCE mydcfifo\|dcfifo_component\|auto_generated\|ws_dgrp\|dffpipe13\|dffe15a\[1\])
    (DELAY
      (ABSOLUTE
        (PORT clk (1613:1613:1613) (1585:1585:1585))
        (PORT asdata (573:573:573) (611:611:611))
        (PORT clrn (1440:1440:1440) (1435:1435:1435))
        (IOPATH (posedge clk) q (65:65:65) (65:65:65))
        (IOPATH (negedge clrn) q (197:197:197) (197:197:197))
      )
    )
    (TIMINGCHECK
      (SETUP asdata (posedge clk) (79:79:79))
      (HOLD asdata (posedge clk) (39:39:39))
    )
  )
  (CELL
    (CELLTYPE "dffeas")
    (INSTANCE mydcfifo\|dcfifo_component\|auto_generated\|ws_dgrp\|dffpipe13\|dffe14a\[1\])
    (DELAY
      (ABSOLUTE
        (PORT clk (1614:1614:1614) (1586:1586:1586))
        (PORT d (82:82:82) (76:76:76))
        (PORT clrn (1441:1441:1441) (1436:1436:1436))
        (IOPATH (posedge clk) q (65:65:65) (65:65:65))
        (IOPATH (negedge clrn) q (197:197:197) (197:197:197))
      )
    )
    (TIMINGCHECK
      (SETUP d (posedge clk) (79:79:79))
      (HOLD d (posedge clk) (39:39:39))
    )
  )
  (CELL
    (CELLTYPE "stratixiii_io_ibuf")
    (INSTANCE rvclk\~input)
    (DELAY
      (ABSOLUTE
        (IOPATH i o (409:409:409) (529:529:529))
      )
    )
  )
  (CELL
    (CELLTYPE "stratixiii_io_ibuf")
    (INSTANCE reset\~input)
    (DELAY
      (ABSOLUTE
        (IOPATH i o (409:409:409) (529:529:529))
      )
    )
  )
  (CELL
    (CELLTYPE "stratixiii_io_ibuf")
    (INSTANCE trclk\~input)
    (DELAY
      (ABSOLUTE
        (IOPATH i o (409:409:409) (529:529:529))
      )
    )
  )
  (CELL
    (CELLTYPE "stratixiii_lcell_comb")
    (INSTANCE mydcfifo\|dcfifo_component\|auto_generated\|ws_dgrp\|dffpipe13\|dffe14a\[1\]\~feeder)
    (DELAY
      (ABSOLUTE
        (PORT dataf (676:676:676) (658:658:658))
        (IOPATH dataf combout (77:77:77) (73:73:73))
      )
    )
  )
  (CELL
    (CELLTYPE "stratixiii_io_obuf")
    (INSTANCE word_count\[0\]\~output)
    (DELAY
      (ABSOLUTE
        (PORT i (314:314:314) (307:307:307))
        (IOPATH i o (1778:1778:1778) (1754:1754:1754))
      )
    )
  )
  (CELL
    (CELLTYPE "stratixiii_io_obuf")
    (INSTANCE word_count\[1\]\~output)
    (DELAY
      (ABSOLUTE
        (PORT i (568:568:568) (561:561:561))
        (IOPATH i o (1778:1778:1778) (1754:1754:1754))
      )
    )
  )
  (CELL
    (CELLTYPE "stratixiii_io_obuf")
    (INSTANCE word_count\[2\]\~output)
    (DELAY
      (ABSOLUTE
        (PORT i (229:229:229) (230:230:230))
        (IOPATH i o (1842:1842:1842) (1812:1812:1812))
      )
    )
  )
  (CELL
    (CELLTYPE "stratixiii_io_obuf")
    (INSTANCE word_count\[3\]\~output)
    (DELAY
      (ABSOLUTE
        (PORT i (520:520:520) (516:516:516))
        (IOPATH i o (1842:1842:1842) (1812:1812:1812))
      )
    )
  )
  (CELL
    (CELLTYPE "stratixiii_io_obuf")
    (INSTANCE word_count\[4\]\~output)
    (DELAY
      (ABSOLUTE
        (PORT i (229:229:229) (230:230:230))
        (IOPATH i o (1778:1778:1778) (1754:1754:1754))
      )
    )
  )
  (CELL
    (CELLTYPE "stratixiii_io_obuf")
    (INSTANCE word_count\[5\]\~output)
    (DELAY
      (ABSOLUTE
        (PORT i (231:231:231) (232:232:232))
        (IOPATH i o (1842:1842:1842) (1812:1812:1812))
      )
    )
  )
  (CELL
    (CELLTYPE "stratixiii_io_obuf")
    (INSTANCE word_count\[6\]\~output)
    (DELAY
      (ABSOLUTE
        (PORT i (484:484:484) (522:522:522))
        (IOPATH i o (1778:1778:1778) (1754:1754:1754))
      )
    )
  )
  (CELL
    (CELLTYPE "stratixiii_io_obuf")
    (INSTANCE word_count\[7\]\~output)
    (DELAY
      (ABSOLUTE
        (PORT i (450:450:450) (481:481:481))
        (IOPATH i o (1842:1842:1842) (1812:1812:1812))
      )
    )
  )
  (CELL
    (CELLTYPE "stratixiii_io_obuf")
    (INSTANCE word_count\[8\]\~output)
    (DELAY
      (ABSOLUTE
        (PORT i (486:486:486) (523:523:523))
        (IOPATH i o (1778:1778:1778) (1754:1754:1754))
      )
    )
  )
  (CELL
    (CELLTYPE "stratixiii_io_obuf")
    (INSTANCE q\[0\]\~output)
    (DELAY
      (ABSOLUTE
        (PORT i (1279:1279:1279) (1258:1258:1258))
        (IOPATH i o (1842:1842:1842) (1812:1812:1812))
      )
    )
  )
  (CELL
    (CELLTYPE "stratixiii_io_obuf")
    (INSTANCE q\[1\]\~output)
    (DELAY
      (ABSOLUTE
        (PORT i (1297:1297:1297) (1313:1313:1313))
        (IOPATH i o (1842:1842:1842) (1812:1812:1812))
      )
    )
  )
  (CELL
    (CELLTYPE "stratixiii_io_obuf")
    (INSTANCE q\[2\]\~output)
    (DELAY
      (ABSOLUTE
        (PORT i (1541:1541:1541) (1579:1579:1579))
        (IOPATH i o (1778:1778:1778) (1754:1754:1754))
      )
    )
  )
  (CELL
    (CELLTYPE "stratixiii_io_obuf")
    (INSTANCE q\[3\]\~output)
    (DELAY
      (ABSOLUTE
        (PORT i (1292:1292:1292) (1244:1244:1244))
        (IOPATH i o (1778:1778:1778) (1754:1754:1754))
      )
    )
  )
  (CELL
    (CELLTYPE "stratixiii_io_obuf")
    (INSTANCE q\[4\]\~output)
    (DELAY
      (ABSOLUTE
        (PORT i (1670:1670:1670) (1652:1652:1652))
        (IOPATH i o (1842:1842:1842) (1812:1812:1812))
      )
    )
  )
  (CELL
    (CELLTYPE "stratixiii_io_obuf")
    (INSTANCE q\[5\]\~output)
    (DELAY
      (ABSOLUTE
        (PORT i (1169:1169:1169) (1190:1190:1190))
        (IOPATH i o (1778:1778:1778) (1754:1754:1754))
      )
    )
  )
  (CELL
    (CELLTYPE "stratixiii_io_obuf")
    (INSTANCE q\[6\]\~output)
    (DELAY
      (ABSOLUTE
        (PORT i (1311:1311:1311) (1300:1300:1300))
        (IOPATH i o (1778:1778:1778) (1754:1754:1754))
      )
    )
  )
  (CELL
    (CELLTYPE "stratixiii_io_obuf")
    (INSTANCE q\[7\]\~output)
    (DELAY
      (ABSOLUTE
        (PORT i (1538:1538:1538) (1526:1526:1526))
        (IOPATH i o (1842:1842:1842) (1812:1812:1812))
      )
    )
  )
  (CELL
    (CELLTYPE "stratixiii_io_obuf")
    (INSTANCE q\[8\]\~output)
    (DELAY
      (ABSOLUTE
        (PORT i (1010:1010:1010) (1031:1031:1031))
        (IOPATH i o (1842:1842:1842) (1812:1812:1812))
      )
    )
  )
  (CELL
    (CELLTYPE "stratixiii_io_obuf")
    (INSTANCE q\[9\]\~output)
    (DELAY
      (ABSOLUTE
        (PORT i (1622:1622:1622) (1578:1578:1578))
        (IOPATH i o (1842:1842:1842) (1812:1812:1812))
      )
    )
  )
  (CELL
    (CELLTYPE "stratixiii_io_obuf")
    (INSTANCE q\[10\]\~output)
    (DELAY
      (ABSOLUTE
        (PORT i (1035:1035:1035) (1015:1015:1015))
        (IOPATH i o (1778:1778:1778) (1754:1754:1754))
      )
    )
  )
  (CELL
    (CELLTYPE "stratixiii_io_obuf")
    (INSTANCE q\[11\]\~output)
    (DELAY
      (ABSOLUTE
        (PORT i (1287:1287:1287) (1231:1231:1231))
        (IOPATH i o (1778:1778:1778) (1754:1754:1754))
      )
    )
  )
  (CELL
    (CELLTYPE "stratixiii_io_obuf")
    (INSTANCE q\[12\]\~output)
    (DELAY
      (ABSOLUTE
        (PORT i (1683:1683:1683) (1707:1707:1707))
        (IOPATH i o (1842:1842:1842) (1812:1812:1812))
      )
    )
  )
  (CELL
    (CELLTYPE "stratixiii_io_obuf")
    (INSTANCE q\[13\]\~output)
    (DELAY
      (ABSOLUTE
        (PORT i (1483:1483:1483) (1451:1451:1451))
        (IOPATH i o (1778:1778:1778) (1754:1754:1754))
      )
    )
  )
  (CELL
    (CELLTYPE "stratixiii_io_obuf")
    (INSTANCE q\[14\]\~output)
    (DELAY
      (ABSOLUTE
        (PORT i (1463:1463:1463) (1493:1493:1493))
        (IOPATH i o (1842:1842:1842) (1812:1812:1812))
      )
    )
  )
  (CELL
    (CELLTYPE "stratixiii_io_obuf")
    (INSTANCE q\[15\]\~output)
    (DELAY
      (ABSOLUTE
        (PORT i (1332:1332:1332) (1345:1345:1345))
        (IOPATH i o (1778:1778:1778) (1754:1754:1754))
      )
    )
  )
  (CELL
    (CELLTYPE "stratixiii_io_obuf")
    (INSTANCE q\[16\]\~output)
    (DELAY
      (ABSOLUTE
        (PORT i (1437:1437:1437) (1458:1458:1458))
        (IOPATH i o (1778:1778:1778) (1754:1754:1754))
      )
    )
  )
  (CELL
    (CELLTYPE "stratixiii_io_obuf")
    (INSTANCE q\[17\]\~output)
    (DELAY
      (ABSOLUTE
        (PORT i (1708:1708:1708) (1764:1764:1764))
        (IOPATH i o (1842:1842:1842) (1812:1812:1812))
      )
    )
  )
  (CELL
    (CELLTYPE "stratixiii_io_obuf")
    (INSTANCE q\[18\]\~output)
    (DELAY
      (ABSOLUTE
        (PORT i (1565:1565:1565) (1618:1618:1618))
        (IOPATH i o (1778:1778:1778) (1754:1754:1754))
      )
    )
  )
  (CELL
    (CELLTYPE "stratixiii_io_obuf")
    (INSTANCE q\[19\]\~output)
    (DELAY
      (ABSOLUTE
        (PORT i (1483:1483:1483) (1484:1484:1484))
        (IOPATH i o (1842:1842:1842) (1812:1812:1812))
      )
    )
  )
  (CELL
    (CELLTYPE "stratixiii_io_obuf")
    (INSTANCE q\[20\]\~output)
    (DELAY
      (ABSOLUTE
        (PORT i (1308:1308:1308) (1279:1279:1279))
        (IOPATH i o (1778:1778:1778) (1754:1754:1754))
      )
    )
  )
  (CELL
    (CELLTYPE "stratixiii_io_obuf")
    (INSTANCE q\[21\]\~output)
    (DELAY
      (ABSOLUTE
        (PORT i (1354:1354:1354) (1375:1375:1375))
        (IOPATH i o (1778:1778:1778) (1754:1754:1754))
      )
    )
  )
  (CELL
    (CELLTYPE "stratixiii_io_obuf")
    (INSTANCE q\[22\]\~output)