USB Developer Days - Turning Specifications into Applications

By _Cadence - Cadence IP Blog

October 9, 2015

Each time I start working on an introductory paragraph for a new USB blog entry, I think about how big this interface standard has grown to be, and each time I’m amazed. Do you know that nowadays the annual estimate of USB-enabled device shipment is 3 billion? I mean nowadays, we are about to see the impact of all the new specs – USB Type-C, USB Alternate Modes, USB Power Delivery, and USB 3.1 Gen 2. Devices equipped with the latest and greatest USB specifications are now entering the market, and most people have not yet seen how easy it is to plug two devices with a Type-C cable (you can never do it wrong, you just can’t), or experience the single connection for power, data and display with the help of DisplayPort Alternate Mode and Power Delivery.

This abundance of new functionality can result in a lot of confusion among USB developers. I am sure there are multiple questions being asked at marketing or engineering meetings about the dependencies and requirements for new USB products, and without a deeper understanding of USB specifications, these may be difficult to address.

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