newbie question - gpio

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Hello,

no clue about what FlexRay is but..

The GPIO pins on a DE2 are 3.3V powered, so they can act as 3.3V LVCMOS/LVTTL pins. They can be in, out or inout pins, with optional tri-state or open-drain function. And a few other things.

That is to say, those pins can implement pretty much anything that uses 3.3V LVCMOS/LVTTL levels. But if you need something else than 3.3V, you need a transceiver.

There are SPI cores. Maybe there's a FlexRay core as well.

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Hello rbugalho,

thank you very much for your reply.

I need to implement GPIO pins with 5V. I think, as you said, I need a transceiver. Do you know how the transceiver has to look like. I have no idea how to start this.

Thanks a lot!