How Do I Create a Clock Duty Cycle that is “Outside the Spec” for an I2C Device?

Question from the Customer:

I am using the Promira Serial Platform with the I2C Active - Level 1 Application. When using this and SDA line, the clock duty cycle is about 30%. Is there a way to increase serial clock duty cycle for this I2C device? I ideally want it at 50%. Here’s what it looks like on the scope. Channel 1 is the clock at 30% d...

When Monitoring a USB Bus, I Am Capturing a Lot of Data Packets that I Don’t Need to See. How Can I Exclude the USB Data that Doesn’t Matter to Me?

Question from the Customer:

I am interested in the Beagle USB protocol analyzers, and I have very specific questions about the Data Center Software. What searching or filtering options do you offer?

The exact scenario is that I am looking to find and ideally exclude particular packets based on a given sequence within the packet data. For exampl...

How can I change SPI modes between sample and setup phases?

Question from the Customer:
I’m working with an SPI device where I need to change modes between sample and setup. I’m using the Aardvark I2C/SPI Host Adapter. How do I change the clock polarity (CPOL) and clock phase and CPHA?

Response from Technical Support:

Thanks for your question! You can easily change the clock polarity with the Contro...

Total Phase Shows Optimization with Cable Testers and Power Delivery Analyzers at USB-IF Developer Days Conference

Excitement was palpable in the room at the latest USB-IF Developer Days. What are the interoperability do's and dont's of USB Type-C? What’s the latest on active cables? How do we get Type-C hosts and devices to perform optimally?

Total Phase attended the USB-IF Developer Days Conference held 9/26-9/27 in Vancouver, Canada. We showed up with o...

How Do I Set Up the Aardvark Host Adapter for I2C Slave mode?

Question from the Customer:

I’m an intern working on my first project, analyzing the controls and performance of a robotics arm (for manufacturing) – can you help me get started? I need to use your Aardvark I2C/Host Adapter in slave mode. I’ll also be using the Control Center Software – what do I need to do?

Response from Technical Suppo...

USB-IF Developer Days Houston, TX – Keep Calm and USB On

In the opening keynote, Jeff Ravencraft, President of the USB-IF, spoke and estimated that by 2019, over 2 billion devices – that is 40% of the USB market – will support USB Type-C.

Total Phase entered the Type-C market late 2015 with the USB Power Delivery Analyzer and we are continuing to focus on this new and exciting technology. Q4 of 20...

Embedded Systems Conference (ESC) Minneapolis - Total Phase Storms In

“The wind begun to rock the grass
With threatening tunes and low, -
He flung a menace at the earth,
A menace at the sky….”

From A Thunderstorm by Emily Dickinson

 Embedded Systems Conference (ESC) Minneapolis.

Yep you guessed it, I got to experience a true Midwest thunderstorm. Born and raised in Southern California, I haven’t experienced many storms in my life. It was fa...

Total Phase USB Type-C and Power Delivery at the Microchip MASTERs Conference

Nothing says “toasty” like Arizona in August! This past August, we were back at the Microchip MASTERs Conference. The MASTERs Conference celebrated its 20th anniversary this year. It was my 2nd time here and it was just as fun and interesting as my first time.

 Total Phase booth at Masters Conference

New to the table this year was USB Type-C and Power Delivery (PD). Micro...

Total Phase, Type-C USB Power Delivery Analyzer and the USB-IF Workshop

This month Total Phase has two new developments to share in the USB space about the new Type-C and Power Delivery technologies.

First, Total Phase recently attended the USB-IF Workshop in Portland, Oregon. At this “plugfest” we observed improved product behavior during testing as compared to the last event held, which was just 3 months ago. ...

Total Phase Tools and the Embedded Systems Conference in Boston

I was excited to meet our East Coast customers at the Embedded Systems Conference in Boston that happened on April 13th and April 14th. We introduced our customers to and updated them on our of I2C, SPI, eSPI, USB, and CAN tools, including our newest USB Type C Power Delivery Analyzer and the eSPI Analysis Application for the Promira Serial Plat...