新手请教:为什么约束管脚时出错?Could not find net(s)
我在ucf文件定义了许多管脚,为什么一部分出错?3 c4 F% I& W/ j1 y; ]' s: {
ERROR:NgdBuild:755 - Line 30 in 'hwb.ucf': Could not find net(s) 'keyin1<0>' in$ u/ u+ o; J. v( v' j" q0 z
the design. To suppress this error specify the correct net name or remove
5 C) q. L( a0 } the constraint. The 'Allow Unmatched LOC Constraints' ISE property can also( [! F7 V' ~$ D' t1 B6 n
be set ( -aul switch for command line users).( Y- V3 ^' B" p q
'Allow Unmatched LOC Constraints' 是什么意思?把这个选项打开后确实不错了,但是否有影响??
" E. W0 p8 \. c% K9 C r6 s谢谢!
