的问题是在跟踪配置CoreClock字段。它不匹配器件的时钟。之后，我改变了它的设备时钟匹配，右输出被显示在浏览器的调试。

The problem was in the "CoreClock" field in the "Trace" configuration. It didn't match the device's clock. After I changed it to match the device clock, the right output was shown in the Debug Viewer.

一些有用的链接：

在跟踪状态uVision

如何配置跟踪，一步一步