Re: Avnet Technical Support Terrible!!!


Waage wrote:
> Antti,
>
> Thanks for all your input.
>
> I have done as you suspected, and I have downloaded an evaluation
> version of ChipScope.
> And now I have one more datapoint. ChipScopePro can not find the JTAG
> chain, but it can
> find the USB box. It reports that a connection has been made to
> Platform USB and then reports...
>
> ERROR: Failed detecting JTAG chain.
>
> So, at least at this point I am VERY suspecious a communication issue
> from USB to JTAG.
> Does anyone know if there's some way to snoop the communication inside
> the Platform Cable?

Avnet do seem to be basically useless.

The problems I had with the last Avnet board were that, due to use of
engineering sample silicon for the Flash to program the Xilinx, the
download cable MUST NOT be plugged in at power-up; basically the power
ramp to the flash is slowed down too much so the flash breaks the jtag
chain.

So, try powering the board up without the cable plugged in, then plug
the cable in to the LX board.

I hope this fixes your problem, coz I am about to try to start
downloading to my LX60 board any minute now.

.

Relevant Pages

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  • Re: Avnet Technical Support Terrible!!!
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