sp3s_top.bld

uart的代码

Release 8.1.03i ngdbuild I.27
Copyright (c) 1995-2005 Xilinx, Inc.  All rights reserved.

Command Line: ngdbuild -intstyle ise -dd _ngo -nt timestamp -uc
F:/RHicdemo/sp3s_demo/pro104/constrain/sp3s_top.ucf -p xc3s200-pq208-4
sp3s_top.ngc sp3s_top.ngd 

Reading NGO file
'F:/RHicdemo/sp3s_demo/pro104/ise_pro/ise81_verilog/sp3s_top.ngc' ...

Applying constraints in "F:/RHicdemo/sp3s_demo/pro104/constrain/sp3s_top.ucf" to
the design...
ERROR:NgdBuild:755 - Line 75 in
   'F:/RHicdemo/sp3s_demo/pro104/constrain/sp3s_top.ucf': Could not find net(s)
   'sram_cs' in the design.  To suppress this error specify the correct net name
   or remove the constraint.  The 'Allow Unmatched LOC Constraints' ISE property
   can also be set ( -aul switch for command line users).
ERROR:NgdBuild:755 - Line 228 in
   'F:/RHicdemo/sp3s_demo/pro104/constrain/sp3s_top.ucf': Could not find net(s)
   'data<260>' in the design.  To suppress this error specify the correct net
   name or remove the constraint.  The 'Allow Unmatched LOC Constraints' ISE
   property can also be set ( -aul switch for command line users).
ERROR:Parsers:11 - Encountered unrecognized constraint while parsing.
ERROR:NgdBuild:19 - Errors found while parsing constraint file
   "F:/RHicdemo/sp3s_demo/pro104/constrain/sp3s_top.ucf".

Writing NGDBUILD log file "sp3s_top.bld"...