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DDC264 EVM Power Supply

user4188839
Prodigy 50 points

Other Parts Discussed in Thread: DDC264EVM

Hi Adam,
I have some problems.I used USB and J5 to supply power for DDC264evm,but the LED indicator D2(FPGA configuration is done) and D8(1.2V power to board available) does not light. I think the FPGA had been broken, because we often on-off FPGA power supply circuit before that. Do you have smoe suggestion?
  • 0
    TI__Guru 66550 points
    Hello,

    The easiest way to debug this is to check all the voltage nodes on the board. Please check for the board voltages at the test points near the J18 DC barrel jack on the top of the board. There are test points for 3.3V, 2.5V, and 1.2V. Please let me know the voltages at these nodes. Also please tell me the positions of jumpers J19, J20, and J22. Are you using only USB and J5 to power the board? Please let me know any other modifications you have made to the board.

    Regards,

    -Adam