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C6657 Eval Board fails after a few days

will Resnick
Expert 2155 points

Hi,

We have a 6657 Eval board from einfoChips.  After a few days continuously running, the DSP becomes unresponsive.  I also notice that the SYSPG_D1 LED goes off.  I am unable to JTAG into the DSP.  The only fix is a hard reset.  The push button reset does not fix the issue.  I found that when we tried to update the FPGA and the load failed, the SYSPG_D1 LED went off.  When we reprogrammed the FPGA, the LED came back on.  So I believe the FPGA is failing after a few days of continuously running the DSP.  Are there any known issues with the FPGA failing?

 

Thanks,

Will

 

  • 0
    TI__Genius 12065 points

    Will,

    The known issue document in the einfochip support page does not have this issue documented.

    https://www.einfochips.com/tms320c6657-lite-evm-support

    But it has some latest EVM FPGA updated files there. Have you tried to update the FPGA on your EVM to see if the issue still exists please?

    And it could be better to contact the  einfochip  "evm6657support@einfochips.com" for the EVM issue directly as well to see if they observe the similar issue before and has any solution for it. Thanks. 

  • 0 in reply to Steven Ji
    Expert 2155 points

    Hi Steven,

     

      Yes I have updated the FPGA to the latest.  Found out that the SYSPG_D1 indicates that all power is good on the board.  The fact that it goes off indicates that either the FPGA itself goes down or that one of the converters has failed. I think its a power issue.  The board is powered by a car battery which is recharged by a solar collector.  Wondering if the battery or solar collector is generating some type of transient which either shuts down the FPGA or causes a regulator to fail.

     

    Will

  • 0 in reply to will Resnick
    TI__Genius 12065 points

    Will,

    It seems to be a power issue as you mentioned. If possible, you could try to use regular power supply to see if the issue is reproducible or not. You can also check with einfoChip to see if any requirement for the EVM power supply as well. Thanks.