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CC3200: IAR I-jet "Failed to boot target CPU"

Vincent Chou
Intellectual 295 points
Part Number: CC3200

Dear support, 

I used IAR and IAR I-jet to link to our target board and configure my workbench to use I-jet as the debug interface.  Unfortunately it always generates "Could not boot CPU".  The connection I used to connect I-Jet to the target board covers TDO, TDI, TMS, TCK, Reset, Vref, Vcc and GND.  Could you provide me some instruction how I can use the IAR I-jet to my target CC3200 board?  Thanks!

Vincent

  • 0
    TI__Guru* 91206 points
    Dear Vincent -
    what are your SOP settings? For JTAG, should be 100, with SOP2 = 1 (pullup jumper in place), SOP1 = 0 (pulldown) and SOP0 = 0 (pulldown)
    see bottom left corner of sheet 1 here to double check how you handled SOP lines : www.ti.com/.../swrc289

    Also, did you choose I-jet/JTAGjet in IAR? Have you contacted IAR to see if this debugger is supported? Have you tried the emualtor on the CC3200 launchpad to verify your design?
  • 0
    Guru 78215 points
    Hi Vincent,

    One comment...

    In case of your board is powered only I-jet it can be a issue. Max. current provided by I-jet is 400mA only. Calibration current of CC3200 startup can be higher.

    Jan
  • 0 in reply to Jan D
    Intellectual 295 points

    Hi! Jan,

    Your point may be one of the issue I face.  At the moment, we have the following pins for debugging. They are, vcc, GND, tms, tck, tdo, tdi, tx, rx, reset.  It seems we have to power up our board through ijet but the starting current is not strong enough. I guess that is why it says CPU cannot be started.  Any suggestion?

    Vincent

  • 0 in reply to Vincent Chou
    Guru 39650 points
    Hi Vincent,

    I am not 100% sure if this can be a problem. I only found this limitation at documentation for I-jet. That is all. Unfortunately I have no experience with this debugger.

    From my point of view make sense to use external power supply for your hardware. But I don't know how your hardware is designed...

    Jan
  • 0 in reply to Josh Wyatt
    Intellectual 295 points

    Hi!  Josh,

    I double checked our board design and confirmed that SOP012 is 001 when I used I-jet to link to the board.  In our wiring, I did not connect TRACECLK, TRACE0,1,2,3 and VTref.  I plan to connect to one of the SOP to VTref.  Do you think the connections of these lines could cause this problem? 

    Vincent

     

  • 0 in reply to Vincent Chou
    Intellectual 295 points
    Hi! I have already found my problem. It is a wiring issue. Please close the case!
    Vincent