Why Do I See Different DC Resistance Results when I Flip a USB Type-A to USB Type-C Cable?

Question from the Customer:

With the Advanced Cable Tester V2, I am testing samples of USB Type-A to USB Type-C cables from various suppliers. In many cases, I see a DC Resistance failure for “GND+SHIELD A-Side Link”. I captured the results of a single cable with normal and flipped orientations (CC is on the same side as DP/DM, or CC...

Top 10 Most Common IoT Security Issues of 2019

There’s no denying that the Internet of Things (IoT) has expanded and improved technology. Not only does it help businesses gauge customer satisfaction, medical professionals gain a more accurate read on patient symptoms, or a runner track how many calories she burns as she improves her mile time, but it has also led professionals ac...

How Do I Interface the Beagle I2C/SPI Protocol Analyzer to SPI Flash Slave and Master Devices?

Interfacing to hardware for data from SPI devices Image source: Geralt

Question from the Customer:

We are starting to use a Beagle I2C/SPI Protocol Analyzer to capture data that is sent to and received from a SPI serial flash device (25L64 type) by an MCU.

  • We have the pin-out for the SPI flash memory.
  • We also have the 10-pin header pin signal assignment list from the Beagle manual.
  • The t...

DisplayPort 2.0 is the Latest DisplayPort Spec – How does it Compare to DisplayPort 1.4?

DisplayPort (DP) 2.0 is the newest specification released by VESA (Video Electronics Standards Association) in June 2019. This new release comprises of a number of new features and upgrades from the previous DisplayPort 1.4 spec. Let’s get to know the differences between DisplayPort 1.4 vs DisplayPort 2.0, and learn what we can expect wi...

Total Phase at ESC Silicon Valley 2019: SPI, I2C, and CAN at Their Finest

This past week, Total Phase exhibited at the Embedded Systems Conference - Silicon Valley in Santa Clara, CA, which was also combined with the Drive World Conference. Given the audience, there was a huge focus on autonomous driving with very interesting case study presentations being conducted in the Expo Hall.

On display at the Total Phase b...

How Do I Start Using the Beagle I2C/SPI Protocol Analyzer to Monitor the MDIO Bus?

Question from the Customer:

This is my first project – can you help me get started? I am using the Beagle I2C/SPI Protocol Analyzer to monitor the MDIO bus. Which pins I should connect it to MDC/MDIO?

Response from Technical Support:

Thanks for your ques...