To USB or Not to USB


What is USB Type-C anyway and what does it have to do with USB 3.1?

One of the challenges I had ramping back up on USB was understanding all of the advancements in the USB specifications since I last worked as part of the Synopsys DesignWare IP group. Of course along with the advancement of the USB specification also came a slew of new acronyms. Anything confusion I encountered was the connection between USB Type-C and USB 3.1. Apparently the confusion between USB Type-C and USB 3.1 is common as a simple search resulted in many technical article links, including the one below which I thought was a very good summary explanation.

Summarizing, USB Type-C defines a connector standard while the USB 3.1 defines a technology standard supporting transfer speeds up to 10 GB/s. The USB Type-C connector was designed to support the USB 3.1 defined 10 Gb/s transfer speeds. The USB Type-C connector was designed to support USB 2.0, USB 3.0 and USB 3.1. USB Type-C defines a reversible connection so you no longer have to continuously flip the device until it plugs in. In theory there are only two possible ways to plug in the older USB components, so why does it always take at least three attempts?

I’m not the only one who finds this funny:

Lastly, off topic, I made a number of the things pictured below. Can you guess what they are? Use the comment field to enter your guess.

Can you guess what this is?


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