XEM-3050, ok_DoneNotHigh error when loading bitstream

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1

Hello,
I’m using a XEM-3050 and observed the ok_DoneNotHigh error when trying to downlaod the bitstream. I removed the ferrite beads (1, 2, 3, 4).
The board is powered via VDC pin on JP3 connector with a 5V DC supply. The FPGA platform consumes 444mA with an empty configuration.

I’ve been using this platform before successfully.

Is there a semiconductor failure on the Spartan-3 ?

Thanks for your support

2

What voltage are you supplying to the VCCOs now that you have removed the ferrite beads?

3

Thanks for your reply.

The VCCOs are supplied at 1.8V.

But the error occured whenever the ferrite beads are soldered or unsoldered.

Moreover, when I mount the ferrite beads the FPGA is going quickly in high temperature(I mean really high temperature).

Seems that there is a CC somewhere that cause this over temperature on the FPGA.

regards

4

Yes, this likely means the FPGA has been upset in some way. Without knowing specific details of your connections to the board, it’s impossible to know how.