On 25 June, 23:31, Ed McGettigan <ed.mcgetti...@xilinx.com> wrote:
> Antti wrote:
> > Bitstreams must not contain a sync word followed by all 1’s. This
> > condition might
> > cause damage to the device.
>
> > Is this an feature or bug? should this go into ERRATA and be fixed
> > ASAP??
>
> > Antti
>
> This has been confirmed to be an error in the document and will be
> updated in the next revision.
>
> It is possible to damage an FPGA with a badly corrupted bitstream, but
> it takes more than a sync word followed by ones to do this.
>
> Ed McGettigan
That could potentially be an interesting feature. I can't remember
exactly now, but Motorola - now Freescale - had a DSP that can blow
itself up if you overdrive the PLL and some security folks did use
that to some end.

-M