PGA900 ,The target failed to see a correctly formatted SWD header

 PGAxxxEVM-034 User’s Guide — SLDU011A

        PGA900 Software Quick Start Guide — SLDU015A

环境：

        CCS Version: 6.1.1.00022

        XDS200

        WIN7

Test Connection Log：

[Start: Texas Instruments XDS2xx USB Debug Probe_0]

Execute the command:

%ccs_base%/common/uscif/dbgjtag -f %boarddatafile% -rv -o -S integrity

[Result]

—–[Print the board config pathname(s)]————————————

C:\Users\ADMINI~1\AppData\Local\TEXASI~1\
CCS\CCS620~1.000\0\0\BrdDat\testBoard.dat

—–[Print the reset-command software log-file]—————————–

This utility has selected a 560/2xx-class product.
This utility will load the program 'xds2xxu.out'.
The library build date was 'Feb 22 2017'.
The library build time was '16:39:45'.
The library package version is '6.0.579.0'.
The library component version is '35.35.0.0'.
The controller does not use a programmable FPGA.

An error occurred while hard opening the controller.

—–[An error has occurred and this utility has aborted]——————–

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

The value is '-615' (0xfffffd99).
The title is 'SC_ERR_SWD_PROTOCOL'.

The explanation is:
The target failed to see a correctly formatted SWD header. The 
connection to the target may be unreliable. Try lowering the 
TCLK setting before trying again.

[End: Texas Instruments XDS2xx USB Debug Probe_0]

Amy Luo：

您好，
下面连接的网友与您遇到了一样的问题，您可以参考下面帖子的回复：
e2e.ti.com/…/3027983