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66AK2H14: Possible to connect to SATA device to 66AK2H14?

Henrik Brenning
Prodigy 40 points
Part Number: 66AK2H14
Other Parts Discussed in Thread: 66AK2E05

Hello,

We are evaluating different future processor solutions for a image processing unit. It has to communicate via USB 3.0 to a camera, with ethernet to work stations but also store a large amount of images on a hard drive (SATA II or SATA III). The 66AK2H14 fulfills the calculation requirements and can also manage the interfaces, except for the SATA interface requirement. There are bridges that turn an USB 3.0 to a SATA signal set, but since we need the USB 3.0 to communicate with the camera, we wonder if there is another solution. Connecting a USB 3.0 hub to the single USB 3.0 port, and then split the stream between the USB 3.0 connection (to the camera) and the USB 3.0-to-SATA bridge seems to be complex solution. Is there a better way to solve this problem?

Best regards,

Henrik Brenning

  • 0
    TI__Guru**** 161600 points
    Hi Henrik,

    You can also evaluate the pcie to sata adapters. There are some solutions online.

    Best Regards,
    Yordan
  • 0 in reply to Yordan Kovachev
    Prodigy 40 points

    Hello Yordan,

    Thank you for your reply. I have googled it, and I find single-board solutions, but I cannot find a single/multi-component solution. We would, at most, like to make the adaption with a few chips. Do you have a link to some single- or multi-component solution for the PCIe to SATA conversion?

    Best regards

    Henrik Brenning

  • 0 in reply to Henrik Brenning
    TI__Mastermind 46460 points

    Henrik,

    PCIe to SATA bridges are readily available and supported by standard Linux drivers.  The 66AK2E05 device is another KeyStone-II device like the 66AK2H14 and it has similar interfaces.  The 66AK2E05 EVM contains a PCIe to SATA bridge chip.  You can use this EVM for demonstration and development of this capability.  All code developed for the 66AK2E05 will port easily to the 66AK2H14.  Also note that since this SATA bridge device is implemented on the 66AK2E05 EVM, the software to support it is contained in the ProcSDK available for this line of processors.

    Tom