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USB 3.1 Type-C — Parallax Forums

USB 3.1 Type-C

tonyp12tonyp12 Posts: 1,951
edited 2015-03-16 06:49 in General Discussion
It looks like they finally got it right.
Just one type of connector, no A or B side.
Reversible (USB2.0 uses the 4 center pins so 2 pins are "wasted" for compatibility)
For the other pairs of lanes it must be using auto sensing built-in to the usb3.1 driver IC's.

10Gbps of bi-directional bandwidth.
100 watts of power.
Will do the work of display-port and other video standards too.

Apple is onboard.
attachment.php?attachmentid=113491&d=1426289461
1024 x 563 - 90K
470 x 389 - 20K

Comments

  • ValeTValeT Posts: 308
    edited 2015-03-14 16:35
    tonyp12 wrote: »
    It looks like they finally got it right.
    Just one type of connector, no A or B side.
    Reversible (USB2.0 uses the 4 center pins so 2 pins are "wasted" for compatibility)
    For the other pairs of lanes it must be using auto sensing built-in to the usb3.1 driver IC's.

    10Gbps of bi-directional bandwidth.
    100 watts of power.
    Will do the work of display-port and other video standards too.

    Apple is onboard.
    attachment.php?attachmentid=113491&d=1426289461

    Very interesting. This is what is going to be on the new Macbooks. Sadly only one USB port though :(

    I wonder what USB 3.2 will be......
  • kwinnkwinn Posts: 8,697
    edited 2015-03-14 21:25
    Wonder why it took so long to come up with such an obvious solution. I was using DB9 connector and a similar idea to connect a multitude of different 25 pin serial devices in the late 70's. Ground/common on the middle pin, inputs on one side, outputs on the other side. Input and output sides reversed between male and female connectors.
  • CuriousOneCuriousOne Posts: 931
    edited 2015-03-15 03:34
    I can't understand a simple thing - why they don't use 4 pin 3.5mm jack?
    It's round, it's coaxial (hence matched line and high speeds) and has no polarity issues.
    Why they're re-inventing wheel?
  • ercoerco Posts: 20,256
    edited 2015-03-16 06:49
    A 4-pin jack would make & break a lot of wrong connections as it is being inserted and removed, causing potential short circuits, etc. 100W would be bad. (BTW, I want to see the little 5V connectors that can handle 20A)

    For the same reason, most 2-conductor power jacks use a coaxial plug instead of a 1/8" plug.
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