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Help with building Android tablet

Bruno Bertucci
Note: This was originally posted on 15th July 2012 at http://forums.arm.com

Hi there!

I have a school project to do, and I am really considering constructing my own Android tablet for that project. I'm aware that there are many difficulties with this. I'm planning to build something on the high-end for tablets today. This is what I'm planning to do:

I want it to be a 10.1 inch tablet, and I'll use Corning Gorilla Glass 2. I'd probably want to use an 1280 x 800 IPS display, since IPS is the only type of screen I know that is actually good. I'd also like it to be LED-backlit.
Optimally, I'd be looking for a thin, light profile, I think it should be 9.4mm thick (like the New iPad), if not thinner, and no heavier than 650g.
I'm not really giving much importance to cameras, but I think I'd like to have a 1.2MP front camera, and an 8MP rear camera, with an LED flash.
Under the hood is where most of my doubts lie. If I'd have to license an entire SoC, I'd probably be inclined towards NVIDIA Tegra 3, just because of its quad-core capabilities. But honestly, I was wondering whether I couldn't have a custom SoC built. In that case, I'd be willing to have an SoC with a dual-core ARM Cortex A-15, running at 1.5GHz. I'd also want dual-channel LPDDR2 or DDR3L memory controllers, although I'd prefer the DDR3L. For a GPU, I'd really like to have Imagination Technologies' PowerVR SGX543MP2 or MP3. I still have no idea about ISPs (Image Signal Processors) and video encoders/decoders.

I'm very skeptical about how can I take all of the internals and put them all in a chip. I also don't know how all these components go together to function. Any help is much appreciated. All I need to know is: is it actually possible? (by the way, I only have 9 months for this project)

Thanks in advance
Parents
  • Note: This was originally posted on 17th July 2012 at http://forums.arm.com

    Creating a SoC requires to license, then integrate, test and manufacture. You would need more in the millions range than the thousand.
    This means you would have to take existing SoC.
    It might prove difficult or impossible to buy "one unit" of a brand new SoC.
    Today, you can buy some Computer on Modules which would simplify your design stage. You would still have to design in your display, all interfaces and the case.
    I think it is fair to say that it's a big job as once the electronics hardware is done, you will have to deal with software and the product case.
    Good luck and keep us posted!
    Kind regards,
    Alban
Reply
  • Note: This was originally posted on 17th July 2012 at http://forums.arm.com

    Creating a SoC requires to license, then integrate, test and manufacture. You would need more in the millions range than the thousand.
    This means you would have to take existing SoC.
    It might prove difficult or impossible to buy "one unit" of a brand new SoC.
    Today, you can buy some Computer on Modules which would simplify your design stage. You would still have to design in your display, all interfaces and the case.
    I think it is fair to say that it's a big job as once the electronics hardware is done, you will have to deal with software and the product case.
    Good luck and keep us posted!
    Kind regards,
    Alban
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