比如我画的层次图如下: (1)
![](https://bbs.21ic.com/upfiles/img/20081/2008128141235782.jpg) (2)
![](https://bbs.21ic.com/upfiles/img/20081/2008128141416281.jpg) (3)
![](https://bbs.21ic.com/upfiles/img/20081/200812814157147.jpg) 当我用ERC检查时,出现如下告警: Error Report For : DocumentsSheet0.prj 28-Jan-2008 13:40:28 #1 Warning Unconnected Net Label On Net D0 Sheet1.Sch D0 #2 Warning Unconnected Net Label On Net D1 Sheet1.Sch D1 #3 Warning Unconnected Net Label On Net D2 Sheet1.Sch D2 #4 Warning Unconnected Net Label On Net D3 Sheet1.Sch D3 #5 Warning Unconnected Net Label On Net D4 Sheet1.Sch D4
End Report 这是什么引起的,难道我的bus这样用法不对吗? |