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📄 ch_fifo.par

📁 it describe how to develop the field programmable gate array
💻 PAR
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Release 5.1i - Par F.22Copyright (c) 1995-2002 Xilinx, Inc.  All rights reserved.SJC-XILIADM2::  Thu Jul 18 14:51:29 2002Y:/XILI/QualityPartnerBuild3/bin/nt/par.exe -w -ol 2 -t 1 ch_fifo_map.ncd
ch_fifo.ncd ch_fifo.pcf Constraints file: ch_fifo.pcfLoading device database for application par from file "ch_fifo_map.ncd".   "ch_fifo" is an NCD, version 2.37, device xc2v40, package fg256, speed -4Loading device for application par from file '2v40.nph' in environment
Y:/XILI/QualityPartnerBuild3.The STEPPING level for this design is 1.Device speed data version:  ADVANCED 1.108 2002-06-12.Resolved that DCM <inst_mydcm_dcm_inst> must be placed at site DCM_X1Y1.Resolved that RAMB16 <fifo_2048x8_inst_fifo_bram> must be placed at site
RAMB16_X1Y1.Device utilization summary:   Number of External IOBs            17 out of 88     19%      Number of LOCed External IOBs    0 out of 17      0%   Number of RAMB16s                   1 out of 4      25%   Number of SLICEs                  174 out of 256    67%   Number of BUFGMUXs                  2 out of 16     12%   Number of DCMs                      1 out of 4      25%Overall effort level (-ol):   2 (set by user)Placer effort level (-pl):    2 (set by user)Placer cost table entry (-t): 1Router effort level (-rl):    2 (set by user)Starting initial Timing Analysis.  REAL time: 3 secs WARNING:Timing:2721 - The clock inst_mydcm_clkin_ibufg is the input to DCM
   inst_mydcm_dcm_inst.  inst_mydcm_clkin_ibufg has a low pulse width of 12500
   ps and a high pulse width of 12500 ps.  This violates the pulse width of
   inst_mydcm_dcm_inst which has a maximum low pulse width of 1050 ps and a
   maximum high pulse width of 1050 ps.WARNING:Timing:2721 - The clock inst_mydcm_clkin_ibufg is the input to DCM
   inst_mydcm_dcm_inst.  inst_mydcm_clkin_ibufg has a low pulse width of 12500
   ps and a high pulse width of 12500 ps.  This violates the pulse width of
   inst_mydcm_dcm_inst which has a maximum low pulse width of 1050 ps and a
   maximum high pulse width of 1050 ps.Finished initial Timing Analysis.  REAL time: 4 secs Phase 1.1Phase 1.1 (Checksum:989c16) REAL time: 4 secs Phase 3.23......Phase 3.23 (Checksum:989682) REAL time: 8 secs Phase 4.3Phase 4.3 (Checksum:26259fc) REAL time: 8 secs Phase 5.5Phase 5.5 (Checksum:2faf07b) REAL time: 8 secs Phase 6.8..........................................................................................................................................Phase 6.8 (Checksum:9c6633) REAL time: 9 secs Phase 7.5Phase 7.5 (Checksum:42c1d79) REAL time: 9 secs Phase 8.18Phase 8.18 (Checksum:4c4b3f8) REAL time: 9 secs Phase 9.24Phase 9.24 (Checksum:55d4a77) REAL time: 9 secs Writing design to file ch_fifo.ncd.Total REAL time to Placer completion: 10 secs Total CPU time to Placer completion: 8 secs Starting Router          REAL time: 10 secs Phase 1: 1080 unrouted;       REAL time: 10 secs Phase 2: 984 unrouted;       REAL time: 10 secs Phase 3: 233 unrouted; (~5162)      REAL time: 10 secs Phase 4: 235 unrouted; (~2321)      REAL time: 11 secs Phase 5: 238 unrouted; (~2321)      REAL time: 11 secs Writing design to file ch_fifo.ncd.Phase 6: 0 unrouted; (~2321)      REAL time: 12 secs Phase 7: 0 unrouted; (~2321)      REAL time: 14 secs Phase 8: 0 unrouted; (~2321)      REAL time: 16 secs Finished Router          REAL time: 16 secs Total REAL time to Router completion: 16 secs Total CPU time to Router completion: 15 secs Generating "par" statistics.**************************Generating Clock Report**************************+----------------------------+----------+--------+------------+-------------+|         Clock Net          | Resource | Fanout |Max Skew(ns)|Max Delay(ns)|+----------------------------+----------+--------+------------+-------------+|            wr_clk          |  Global  |   28   |  0.206     |  0.656      |+----------------------------+----------+--------+------------+-------------+|            rd_clk          |  Global  |   27   |  0.203     |  0.653      |+----------------------------+----------+--------+------------+-------------+   The Delay Summary Report   The Score for this design is: 8164The Number of signals not completely routed for this design is: 0   The Average Connection Delay for this design is:        0.736 ns   The Maximum Pin Delay is:                               3.069 ns   The Average Connection Delay on the 10 Worst Nets is:   2.216 ns   Listing Pin Delays by value: (ns)    d < 1.00   < d < 2.00  < d < 3.00  < d < 4.00  < d < 5.00  d >= 5.00   ---------   ---------   ---------   ---------   ---------   ---------         821         229          29           1           0           0Timing Score: 2321WARNING:Par:62 - Timing constraints have not been met.Asterisk (*) preceding a constraint indicates it was not met.--------------------------------------------------------------------------------  Constraint                                | Requested  | Actual     | Logic                                             |            |            | Levels--------------------------------------------------------------------------------  TS_wr_clk_in = PERIOD TIMEGRP "wr_clk_in" |            |            |          25 nS   HIGH 50.000000 %                |            |            |      --------------------------------------------------------------------------------  TS_inst_mydcm_clk0_buf = PERIOD TIMEGRP " | 25.000ns   | 24.440ns   | 20     inst_mydcm_clk0_buf" TS_wr_clk_in *  1.00 |            |            |        0000 HIGH 50.000 %                        |            |            |      --------------------------------------------------------------------------------  TS_inst_mydcm_clk2x_buf = PERIOD TIMEGRP  | 12.500ns   | 5.887ns    | 3      "inst_mydcm_clk2x_buf" TS_wr_clk_in /  2. |            |            |        000000 HIGH 50.000 %                      |            |            |      --------------------------------------------------------------------------------  OFFSET = IN 4.500 nS  BEFORE COMP "wr_clk | 4.500ns    | 4.190ns    | 1      _in"                                      |            |            |      --------------------------------------------------------------------------------* OFFSET = OUT 9 nS  AFTER COMP "wr_clk_in" | 9.000ns    | 9.431ns    | 1    --------------------------------------------------------------------------------1 constraint not met.All signals are completely routed.Total REAL time to PAR completion: 19 secs Total CPU time to PAR completion: 16 secs Placement: Completed - No errors found.Routing: Completed - No errors found.Timing: Completed - 8 errors found.Writing design to file ch_fifo.ncd.PAR done.

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