swepfre.twr

这是我的毕业设计

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Release 7.1i Trace H.38
Copyright (c) 1995-2005 Xilinx, Inc.  All rights reserved.

C:/Xilinx/bin/nt/trce.exe -ise d:\rfid\rfid_re\rfid_re.ise -intstyle ise -e 3
-l 3 -s 11 -xml swepfre swepfre.ncd -o swepfre.twr swepfre.pcf


Design file:              swepfre.ncd
Physical constraint file: swepfre.pcf
Device,speed:             xc4vsx55,-11 (ADVANCED 1.52 2005-01-22, STEPPING level 0)
Report level:             error report

Environment Variable      Effect 
--------------------      ------ 
NONE                      No environment variables were set
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INFO:Timing:2698 - No timing constraints found, doing default enumeration.
INFO:Timing:2752 - To get complete path coverage, use the unconstrained paths
   option. All paths that are not constrained will be reported in the
   unconstrained paths section(s) of the report.


Data Sheet report:
-----------------
All values displayed in nanoseconds (ns)

Clock clk40 to Pad
------------+------------+------------------+--------+
            | clk (edge) |                  |  Clock |
Destination | to PAD     |Internal Clock(s) |  Phase |
------------+------------+------------------+--------+
sin_out<0>  |    7.168(R)|clk120_OBUF       |   0.000|
sin_out<1>  |    8.003(R)|clk120_OBUF       |   0.000|
sin_out<2>  |    7.982(R)|clk120_OBUF       |   0.000|
sin_out<3>  |    7.524(R)|clk120_OBUF       |   0.000|
sin_out<4>  |    7.736(R)|clk120_OBUF       |   0.000|
sin_out<5>  |    7.745(R)|clk120_OBUF       |   0.000|
------------+------------+------------------+--------+

Clock to Setup on destination clock clk40
---------------+---------+---------+---------+---------+
               | Src:Rise| Src:Fall| Src:Rise| Src:Fall|
Source Clock   |Dest:Rise|Dest:Rise|Dest:Fall|Dest:Fall|
---------------+---------+---------+---------+---------+
clk40          |    3.937|         |         |         |
---------------+---------+---------+---------+---------+

Pad to Pad
---------------+---------------+---------+
Source Pad     |Destination Pad|  Delay  |
---------------+---------------+---------+
clk40          |clk120         |    4.177|
---------------+---------------+---------+

Analysis completed Fri Oct 05 14:46:25 2007
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Peak Memory Usage: 215 MB