pn.twr

用VHDL语言编写的PN码产生程序

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Release 7.1.04i Trace H.42
Copyright (c) 1995-2005 Xilinx, Inc.  All rights reserved.

D:/Program Files/Xilinx ISE 7.1i/bin/nt/trce.exe -ise d:\nf\pn\pn.ise -intstyle
ise -e 3 -l 3 -s 12 -xml pn pn.ncd -o pn.twr pn.pcf


Design file:              pn.ncd
Physical constraint file: pn.pcf
Device,speed:             xc4vfx12,-12 (PREVIEW 1.57 2005-08-24, 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)

Setup/Hold to clock clk
------------+------------+------------+------------------+--------+
            |  Setup to  |  Hold to   |                  |  Clock |
Source      | clk (edge) | clk (edge) |Internal Clock(s) |  Phase |
------------+------------+------------+------------------+--------+
reset       |   -1.386(R)|    2.566(R)|clk_BUFGP         |   0.000|
------------+------------+------------+------------------+--------+

Clock clk to Pad
------------+------------+------------------+--------+
            | clk (edge) |                  |  Clock |
Destination | to PAD     |Internal Clock(s) |  Phase |
------------+------------+------------------+--------+
seq         |    8.448(R)|clk_BUFGP         |   0.000|
------------+------------+------------------+--------+

Clock to Setup on destination clock clk
---------------+---------+---------+---------+---------+
               | Src:Rise| Src:Fall| Src:Rise| Src:Fall|
Source Clock   |Dest:Rise|Dest:Rise|Dest:Fall|Dest:Fall|
---------------+---------+---------+---------+---------+
clk            |    0.818|         |         |         |
---------------+---------+---------+---------+---------+

Analysis completed Thu Apr 26 14:34:17 2007
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Peak Memory Usage: 153 MB