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Emulation and Trace Headers document

Wenjun Huang
Expert 1770 points

P8 what does CTI mean? What is the difference between TI 60 pin and MIPI 60-pin? What is MIPI?

P22: designing JTAG signal for 100MHz vs designing EMU signal for 200MHz. What is the difference between JTAG and EMU signal.

P28: What is PWB routing?

  • 0
    TI__Expert 8055 points

    Wenjun,

    CTI means Compatc TI, I believe.  This is a 20-pin header with a smaller form factor than the old 14-pin JTAG.  If you have a newer XDS560 revision D cable , this comes with a CTI connector by default.

    The TI-60 pin header is the 60-pin header that you'll see implemented on most boards today, that gives access to PC Trace and System Trace capabilities.  The diagrams on page 10 show the difference between the TI and MIPI 60-pin header.  MIPI is just an abbreviation for a standards group.  This header might eventually become the industry standard.

    The JTAG signals are the ones that control the scan interface. (TDI, TDO, TCK, RTCK, TMS).  The EMU pins are typically for passing data from emulator to host, and they will be denoted by EMU.

    PWB stands for Printed Wiring Board.

    Regards,
    Dan