On Sun, Mar 04, 2007 at 04:14:33PM -0500, Brian Padalino wrote:
> With regards to the PCIe interface, were you looking more at just
> getting a PHY transceiver and putting the MAC and other layers in the
> FPGA, or were you more interested in having a PCIe bridge chip that
> handles all of that for you?
>
> I know Philips and TI have PCIe transceivers which work with Xilinx
> and Altera IP for the MAC layer, but what I really found interesting
> was a PCIe bridge chip from PLX technologies. It's a relatively hefty
> BGA, but if you can place it properly the chip could really be a huge
> help. No NDA's are required and the information can be found here.
>
> http://www.plxtech.com/products/expresslane/pex8311.asp
Interesting part. Thanks for the pointer.
The Xilinx Virtex-5 LXT's and SXT's have (or will have) hard PCIe
endpoint blocks. This puts most of endpoint IP into dedicated silicon.
slices DSP48 blocks 10/100/1000 Rocket IO
550 MHz ethernet MACs
XC5VSX35T 5,400 192 4 8
XC5VSX50T 8,160 288 4 12
XC5VSX95T 14,720 640 4 16
I'm sure they're not cheap, but that's a lot of DSP resources ;)
http://www.xilinx.com/products/silicon_solutions/fpgas/virtex/virtex5/Virtex-5_LX_LXT_SXT_Product_Table.pdf
Eric
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