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There is a great deal of buzz around the new USB Type-C connector and its power delivery specifications. Industry leaders like Intel, Google, and Apple are leading the way by integrating this new connector into products like MacBook and Chromebook. The new connector will soon find its way into smartphones and many other types of products.

Just as USB slowly replaced legacy ports, USB Type-C may slowly replace most of the connectors on your PCs or Notebooks. This next-generation connector is powerful and flexible. It has the capability of providing up to 100 W of power and enabling support for multiple functions over the same lines in a standard way. This sharing of signal lines and higher power negotiation is achieved using a protocol defined in the USB Power Delivery specification over Configuration Channel (CC) signal line of the USB Type-C connector.

This article explores some of the key changes that needs to be looked into while planning integration legacy USB stack with USB Type-C support

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