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用XDS560v2仿真器连接6678DSP与PC 过程中，连接不上，同时test connection后显示如下结果是什么原因，该如何解决？急~

Haibing He
Prodigy 50 points


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

The value is '-181'（0xffffff4b）.

The title is 'SC-ERR_CTL_NO_TRG_CLOCK'.

The explanation is:

The controller has detected a dead JTAG clock.

The user must turn-on or connect the JTAG clock for the target.

[End: Wintcch Digital XDS 560v2 STM USB Emulator_0]

  • 0
    TI__Genius 14895 points

    This error is shown when the JTAG debug probe does not receive a clock signal on the RTCK pin. It can have many reasons:

    • The speed of TCLK is configured for a rate too high for the board and device
    • The type of TCLK is configured for either fixed or adaptive but is unsupported by the device
    • The board PCB or device does not tie the TCK pin to the RTCK pin

    详情请参阅如下链接

    http://processors.wiki.ti.com/index.php/Debugging_JTAG_Connectivity_Problems?keyMatch=dead JTAG clock.&tisearch=Search-EN