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LAUNCHXL-F280039C: 板载仿真器连接故障

Part Number: LAUNCHXL-F280039C
Other Parts Discussed in Thread: LAUNCHXL-F280049C

在个人电脑上故障提示如下

-----[An error has occurred and this utility has aborted]--------------------

This error is generated by TI's USCIF driver or utilities.

The value is '-233' (0xffffff17).
The title is 'SC_ERR_PATH_BROKEN'.

The explanation is:
The JTAG IR and DR scan-paths cannot circulate bits, they may be broken.
An attempt to scan the JTAG scan-path has failed.
The target's JTAG scan-path appears to be broken
with a stuck-at-ones or stuck-at-zero fault.

[End]

同事在公司台式机上可以正常连接,我另一个LAUNCHXL-F280049C也可以正常连接使用 ,这是什么问题