adder.twr

清华大学verilog hdl源码例子

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Release 6.2i Trace G.28
Copyright (c) 1995-2004 Xilinx, Inc.  All rights reserved.

C:/Xilinx/bin/nt/trce.exe -intstyle ise -e 3 -l 3 -xml adder adder.ncd -o
adder.twr adder.pcf


Design file:              adder.ncd
Physical constraint file: adder.pcf
Device,speed:             xc2s200,-6 (PRODUCTION 1.27 2003-12-13)
Report level:             error report

Environment Variable      Effect 
--------------------      ------ 
NONE                      No environment variables were set
--------------------------------------------------------------------------------

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)

Pad to Pad
---------------+---------------+---------+
Source Pad     |Destination Pad|  Delay  |
---------------+---------------+---------+
A<0>           |SUM<0>         |   13.601|
A<0>           |SUM<1>         |   14.261|
A<0>           |SUM<2>         |   15.060|
A<0>           |SUM<3>         |   13.112|
A<0>           |SUM<4>         |   15.259|
A<1>           |SUM<1>         |   12.830|
A<1>           |SUM<2>         |   14.310|
A<1>           |SUM<3>         |   12.362|
A<1>           |SUM<4>         |   14.509|
A<2>           |SUM<2>         |   11.484|
A<2>           |SUM<3>         |   10.366|
A<2>           |SUM<4>         |   12.513|
A<3>           |SUM<3>         |    9.518|
A<3>           |SUM<4>         |   12.346|
B<0>           |SUM<0>         |   11.016|
B<0>           |SUM<1>         |   11.676|
B<0>           |SUM<2>         |   12.475|
B<0>           |SUM<3>         |   10.527|
B<0>           |SUM<4>         |   12.674|
B<1>           |SUM<1>         |   10.898|
B<1>           |SUM<2>         |   12.378|
B<1>           |SUM<3>         |   10.430|
B<1>           |SUM<4>         |   12.577|
B<2>           |SUM<2>         |   11.549|
B<2>           |SUM<3>         |   10.431|
B<2>           |SUM<4>         |   12.578|
B<3>           |SUM<3>         |    9.412|
B<3>           |SUM<4>         |   12.240|
---------------+---------------+---------+

Analysis completed Fri Feb 24 02:12:39 2006
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Peak Memory Usage: 46 MB