https://bbs.21ic.com/upfiles/img/20077/200773017927351.jpg<br /><br />出现如下提示:<br />Class Document Source Message Time Date No.<br /><br />[Warning] RS232USB.SchDoc Compiler Unconnected line (780,610) To (780,660) 04:30:07 PM 2008-6-14 1<br /><br /><br />。<br />不要那个总线时一切都好.望高手指点 |