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Simple FPGA to USB 3.0 or PCIe solution

Bernard Harris93806
Prodigy 20 points
Other Parts Discussed in Thread: TUSB7320

I need to transfer about 1.5 to 2.3Gb/s to a laptop for an industrial ultrasound application. An FPGA is present in the system, but USB 3.0 cores are large and complex. 

One alternative is to use a PCIe core which is simpler and either use a PCIe over a cable or a PCIe to USB 3.0 bridge. Alternately, is it feasible to directly connect to the PCIe port used for the Laptop ExpressCard slot. Or is there a PCIe or USB 3.0 controller with a 32bit bus?

Suggestions for the simplest solution that does not require a complex FPGA core are welcome.

Thanks

  • 0
    TI__Guru* 76130 points

    Please review the SuperSpeed USB xHCI Host Controller TUSB7320/40 at the below link.

    Regards.

    http://www.ti.com/lit/ds/symlink/tusb7320.pdf

  • 0
    TI__Genius 16200 points

    Bernard,

    If the FPGA has a PCIe core that you can implement, you should be able to utilize an adapter to connect to the ExpressCard slot on your laptop.

    We do not have a device that can act as a USB slave and provide either a PCIe root or a 32 bit parallel bus.

    That said, I would not think that the USB 3.0 core would be any more complex than a PCIe core in the FPGA and the USB implementation would be much more flexible as to the computer systems  you can interface with.