Building Better Digital Content Protection

Building Better Digital Content Protection
by Tom Simon on 05-15-2017 at 12:00 pm

Back in college my roommates figured out that the TV cable coax wire was still connected to our apartment. As a result, I was able to watch the Richard Pryor movie Silver Streak about 30 times without a cable box, however the screen was partially jumbled from the simple content protection used back then. This was possible by aggressively… Read More


When Will we Replace the 3.5 mm Jack in Modern Phones?

When Will we Replace the 3.5 mm Jack in Modern Phones?
by Eric Esteve on 04-05-2017 at 7:00 am

You have certainly experienced that modern mobile phones are used for more than phone calls and do not have room for multiple connectors. A new approach for audio connectivity is needed, allowing product designers to retire the 3.5mm jack. Considering the USB audio protocol to replace the analog audio solutions, typically using… Read More


Explore Google Chromium USB Type-C example designs using GoArks USB – C Thru

Explore Google Chromium USB Type-C example designs using GoArks USB – C Thru
by Rajaram Regupathy on 03-12-2016 at 12:00 pm

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One of the early adopters of USB Type-C and USB Power Delivery is Google for their Chromium projects. More interestingly Google shared the complete design of the USB Type-C products in public domain right from schematic to source code of the solutions. This article explores how to use USB C-Thru board to explore Google’s designsRead More


Exploring USB Type-C DRP to USB Type-C DFP connection using USB C-Thru

Exploring USB Type-C DRP to USB Type-C DFP connection using USB C-Thru
by Rajaram Regupathy on 02-17-2016 at 12:00 pm

In a USB Type-C environment configuration process between a DRP and a DFP is as follows:

  • DRP to DFP attach/detach detection
  • Plug orientation detection
  • Initial DRP to DFP and power relationship detection
  • USB Type-C VBus current detection and usage
Read More

USB Type-C opens doors for embedded system connectivity

USB Type-C opens doors for embedded system connectivity
by Rajaram Regupathy on 11-24-2015 at 7:00 am

Every now and then there is an innovation or advancement that changes the way we operate, the way the world operates. These innovations and advancements in technology creates opportunities for the businesses and provides improved features to the consumers. They are also widely and swiftly adopted. USB Type-C is one such technology… Read More


Migrating legacy USB Stack to USB Type-C platforms

Migrating legacy USB Stack to USB Type-C platforms
by Rajaram Regupathy on 11-19-2015 at 4:00 pm

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… Read More


Forget about ThunderBolt, USB Type C is here!

Forget about ThunderBolt, USB Type C is here!
by Eric Esteve on 11-09-2015 at 7:00 am

At the early days of Semiwiki (March 2011), I wrote about ThunderBolt, predicting low market adoption of the protocol, for various reasons. One of these reasons was the cost associated with ThunderBolt integration by the OEM. Even if the protocol (associating PCI Express and DisplayPort) was offering better data bandwidth than… Read More