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Development System Reference Guide www.xilinx.com 231
TRACE Reports
R
Summary Report (Without a Physical Constraints File Specified)
The following sample summary report represents the output of this TRACE command.
trce –o summary.twr ramb16_s1.ncd
The name of the report is summary.twr. No preference file is specified on the command
line, and the directory containing the file ram16_s1.ncd did not contain a PCF called
ramb16_s1.pcf.
------------------------------------------------------------------
Xilinx TRACE
Copyright (c) 1995-2005 Xilinx, Inc. All rights reserved.
Design file: ramb16_s1.ncd
Device,speed: xc2v250,-6
Report level: summary report
------------------------------------------------------------------
WARNING:Timing - No timing constraints found, doing default
enumeration.
Asterisk (*) preceding a constraint indicates it was not met.
------------------------------------------------------------------
Constraint | Requested | Actual | Logic
| | | Levels
------------------------------------------------------------------
Default period analysis | | 2.840ns | 2
------------------------------------------------------------------
Default net enumeration | | 0.001ns |
------------------------------------------------------------------
All constraints were met.
Data Sheet report:
-----------------
All values displayed in nanoseconds (ns)
Setup/Hold to clock clk
---------------+------------+------------+
| Setup to | Hold to |
Source Pad | clk (edge) | clk (edge) |
---------------+------------+------------+
ad0 | 0.263(R)| 0.555(R)|
ad1 | 0.263(R)| 0.555(R)|
ad10 | 0.263(R)| 0.555(R)|
ad11 | 0.263(R)| 0.555(R)|
ad12 | 0.263(R)| 0.555(R)|
ad13 | 0.263(R)| 0.555(R)|
.
.
.
---------------+------------+------------+
Clock clk to Pad
---------------+------------+
| clk (edge) |
Destination Pad| to PAD |
---------------+------------+
d0 | 7.496(R)|
---------------+------------+