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UCD3138的JTAG接口电路图哪里有?

Other Parts Discussed in Thread: UCD3138

UCD3138的JTAG接口电路图哪里有?这样连接,CCS6.1.3用XDS100V3连接的时候反馈出EMU0和EMU1无法监测的错误信息,这两个管脚怎么处理?

  • The controller cannot monitor the value on the EMU[0] pin.
    The controller cannot monitor the value on the EMU[1] pin.
    The controller cannot control the timing on output pins.
    The controller cannot control the timing on input pins.
    The scan-path link-delay has been set to exactly '0' (0x0000).

    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 '-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.

    这是反馈信息
  • Hi
    确认一下CCS版本的问题,之前好像记得有些版本用起来是有问题的,建议试一下。