How Do I Interpret USB Data Errors for Isochronous Endpoints?

Question from the Customer: I am using your Beagle USB 480 Protocol Analyzer and Data Center Software to troubleshoot a USB 2.0 device and its interaction with the host. The system has several interfaces and endpoints. The host connects to multiple devices, two of which are audio devices: one input and one output. The USB device tha...

Why is Captured USB Traffic Showing Orphaned Data Transactions and How Do I Get Around That?

Question from the Customer:

I am using the Beagle USB 5000 v2 SuperSpeed Protocol Analyzer - Standard Edition, and I am having some issues with seeing orphaned packets and empty packets. Some IN (incoming) packets are displayed as orphans, and some IN packets are displayed with no data. What are the potential causes of these orpha...

How is the DC Resistance of a Cable Measured When You Cannot Access the Paddleboard Directly?

Question from the Customer:

My company is using the Advanced Cable Tester v2 (Advanced Cable Tester v2) to test a variety of cables, such as USB, HDMI, and DisplayPort cables.

We have a question about our test results for the USB-C to USB-C cables. The DC resistance of the VBUS pins does not pass the test. However, testing the conta...

What Are Partial Errors and How Can I Avoid Them When Analyzing SPI Data?

Question from the Customer:

I have a question about using the Beagle I2C/SPI Protocol Analyzer. I am testing SPI devices. I have two sets of data which are shown below. I am using the Control Center Serial Software for viewing and analyzing the captured data.

Comparing new and old data:

The old data shows errors. I have personall...

Compared to an Oscilloscope, What Information Does a Protocol Analyzer Provide about Waveforms?

Lab equipment for troubleshooting and analyzing data waveforms

Source: Pexels

Question from the Customer:

I am troubleshooting the serial bus of a system with an oscilloscope. In addition to the electrical characteristics, I need more details to understand the performance of the system. I am looking at the Beagle I2C/SPI Protocol Analyzer – what details can it provide me about wavefo...

How Can I Use API Software and Host Adapter GPIOs with a Touch IC?

Question from the Customer:

I have a project that includes the Touch IC of a touch-screen tablet. Looking at your online store, the Aardvark I2C/SPI Host Adapter and the Aardvark Software API look promising. Many of the tools that you provide seem to focus on EEPROMs. Many of the operations to apply to a Touch IC will be similar, b...