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TPS65920 連接 USB3.0 電腦, 電腦識別 unknow device

Other Parts Discussed in Thread: AM3715

1、主CPU为 AM3715,MPU为65920,操作系统为windows mobile。

2、问题现象是:

  a) 在老的电脑上无论是WIN7还是XP都能正确识别设备,并能正确加载驱动

  b) 在一些较新电脑USB3.0的系统中,只能识别的unknow deivce.

3、正常与非正常的debug信息如附件