tx2bit_last_ngd_report.bld

以LVDS设计为例学习ISE中的时序分析以及低层布局器的使用方法 在底层布局器中对LVDS管脚进行约束的方法

Release 4.2i - ngdbuild E.35
Copyright (c) 1995-2001 Xilinx, Inc.  All rights reserved.

Command Line: ngdbuild -dd e:/work/6_1pro/_ngo -nt timestamp -uc
E:\work\6-1\tx2bit.ucf -p xcv1000e-hq240-6 tx2bit.ngc tx2bit.ngd 

Reading NGO file "E:/work/6_1pro/tx2bit.ngc" ...
Reading component libraries for design expansion...

Annotating constraints to design from file "E:/work/6-1/tx2bit.ucf" ...
INFO:NgdBuild:678 - The constraint for NET 'ddra/qrise' is being attached to the
   equivalent NET 'ddra/qrise'.
INFO:NgdBuild:678 - The constraint for NET 'ddra/qrise' is being attached to the
   equivalent NET 'ddra/qrise'.
INFO:NgdBuild:678 - The constraint for NET 'ddra/qfall' is being attached to the
   equivalent NET 'ddra/qfall'.
INFO:NgdBuild:678 - The constraint for NET 'ddra/qfall' is being attached to the
   equivalent NET 'ddra/qfall'.
INFO:NgdBuild:678 - The constraint for NET 'ddra/crr' is being attached to the
   equivalent NET 'ddra/crr'.
INFO:NgdBuild:678 - The constraint for NET 'ddra/crf' is being attached to the
   equivalent NET 'ddra/crf'.
INFO:NgdBuild:678 - The constraint for NET 'ddrb/qrise' is being attached to the
   equivalent NET 'ddrb/qrise'.
INFO:NgdBuild:678 - The constraint for NET 'ddrb/qrise' is being attached to the
   equivalent NET 'ddrb/qrise'.
INFO:NgdBuild:678 - The constraint for NET 'ddrb/qfall' is being attached to the
   equivalent NET 'ddrb/qfall'.
INFO:NgdBuild:678 - The constraint for NET 'ddrb/qfall' is being attached to the
   equivalent NET 'ddrb/qfall'.
INFO:NgdBuild:678 - The constraint for NET 'ddrb/crr' is being attached to the
   equivalent NET 'ddrb/crr'.
INFO:NgdBuild:678 - The constraint for NET 'ddrb/crf' is being attached to the
   equivalent NET 'ddrb/crf'.
INFO:NgdBuild:678 - The constraint for NET 'ddrc/qrise' is being attached to the
   equivalent NET 'ddrc/qrise'.
INFO:NgdBuild:678 - The constraint for NET 'ddrc/qrise' is being attached to the
   equivalent NET 'ddrc/qrise'.
INFO:NgdBuild:678 - The constraint for NET 'ddrc/qfall' is being attached to the
   equivalent NET 'ddrc/qfall'.
INFO:NgdBuild:678 - The constraint for NET 'ddrc/qfall' is being attached to the
   equivalent NET 'ddrc/qfall'.
INFO:NgdBuild:678 - The constraint for NET 'ddrc/crr' is being attached to the
   equivalent NET 'ddrc/crr'.
INFO:NgdBuild:678 - The constraint for NET 'ddrc/crf' is being attached to the
   equivalent NET 'ddrc/crf'.

Checking timing specifications ...
Checking expanded design ...

NGDBUILD Design Results Summary:
  Number of errors:     0
  Number of warnings:   0

Writing NGD file "tx2bit.ngd" ...

Writing NGDBUILD log file "tx2bit.bld"...