Sorry to reply to my own post, but hoping to get an answer to... (primarily,
I'm interested in the last question...)
> - On the 7800 board, the FPGA is a Lattice ECP2-12 device, right ? I've
> never used one of these before, but
> http://www.wikifpga.com/index.php?title=Performance_Analysis puts it as
> generally faster than a Spartan-3, though that chart compares an S3 at grade
> -4 vs the ECP2 at grade -5.
>
> - To that point, do we know what speed-grade is used on the board ?
>
> - Is the ECP2 used on the board programmable using the downloadable tools
> from Lattice ? Reading the lattice website, it appears the ECP2 is, but the
> ECP2M/S is not. I'm not sure what the difference is between the ECP2 and
> ECP2M/S parts... If I have to spend $1500 on software, my decision is made
> for me :)
Cheers,
Simon.
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