You might read the datasheet again, as I was told, the device can
connect to the PCI bus only by one specific io bank (bank 2?) - only
those pins contain the protection diodes.
And - do you really need 5V tolerance? Those ports are today hard to find.
Daniel
On 11/08/2012 08:38 PM, michele wrote:
Sorry a little bit OT:
I'm trying to build a simple and cheap pci board with a low cost fpga like
the machxo2 from lattice.
Now I'm having some hard time to figure out if this device is compatible with
5 Volt pci or not. From the datasheet I understand that is compatible only with
the 3.3 Volt implementation... But it looks like that specs are there to be
broken, and a lot of people (also lattice: check "latticeXP2 advanced
evaluation board") are just using those device on 5 Volt pci without a level
shifter or something similar.
I'm a little bit confused. Any hint?
Thank you
Michele Carla'
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