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TMS320F28377S: USB请求设备描述符失败

Part Number: TMS320F28377S
Other Parts Discussed in Thread: C2000WARE

usb_ex1_dev_serial例程下载至LAUNCHXL-F28377S评估板,例程可以正常编译、下载、运行,插入usb连接线后,win10的usb口连接有问题:请求设备描述符失败,请问如何解决这个问题?

注:

  • 硬件连接图参照SPRUHX5G–August 2014–Revised September 2019:Figure 22-2. USB Scheme

 

  • 使用win10, CCS12.1.0.00007_win64,C2000Ware_4_02_00_00, sysconfig-1.14.0_2667.
  • 连接问题如下图: