-
Q: I'm working on analyzing data on a USB 2.0 bus and I would like to synchronize the USB data with an external device. I was looking on your website and I see that you have three USB protocol analyzers. Would I be able to use any of these to trigger another device?
A: Thanks for your question...
-
To kick off the Design West Conference this week, Total Phase sponsored a class hosted by Micrium by providing Beagle USB 480 Protocol Analyzers. The class entitled “Essentials of USB Device Development” provided attendees with an overview of how to design a USB device and the complexities they m...
-
Hello from Total Phase! We are eagerly awaiting the start of Day 2 of the Design West Expo in San Jose, CA. Thanks to everybody who dropped by our booth yesterday! Day 1 was exciting as many attendees dropped by to discuss our USB, I2C, SPI, and CAN development tools and also viewed live demonstr...
-
-->
Q: I'm using a Beagle USB 480 Protocol Analyzer to monitor some USB data from a mouse. When I plug in the device and run a capture, the timestamps don't always show up in chronological order. Is there a function I can use in Data Center Software so that I can view the transactions in chron...
-
-->
Normally we confine this blog to SPI/I2C/USB and CAN questions, but once in a while we're asked questions about other protocols. This week, one customer wanted to know about MDIO.
Q: Do any of your products support MDIO? Host Adapter? Analyzer?
[caption id="attachment_828" align="a...
-
-->
Q: I have a Beagle USB 480 Protocol Analyzer. I need to know if it does support LPM-L1 and, if it does not, which product of yours would support it.
A: LPM-L1 is one level (LPM-L2 is the other) of the power management aspect of the USB 2.0 specification. We do decode LPM packets and w...
-
Q: I want to use the Beagle USB 5000 v2 SuperSpeed Protocol Analyzer for debugging with trigger functions for USB 2.0 bus states such as RESET and SUSPEND. It would be helpful if you could show me how to do this.
A: Thanks for your question! Before we get to the details of your trigger/matc...
-
-->
Q: The Beagle USB 5000 v2 SuperSpeed Protocol Analyzer is new to me and I could use some details about how it works. The transaction log below shows recent trace captures, with and without NAK.
[caption id="" align="aligncenter" width="300"] Figure 1: Example of Compressed Data[/capti...
-
Q: I am working on an embedded machine that supports fast SPI signals at 1.8V logic levels, and I'm trying to communicate with a device that supports SPI at 3V logic levels. The SPI (serial peripheral connection interface) communication will be at 8MHz.
I have the TP240610 Level Shifter Board ...
-
-->
Q: I have an Aardvark I2C/SPI Host Adapter. I have been able to monitor I2C traffic up to approximately 300 kbps, but now I need to monitor at 400 kbps. Can I make Aardvark adapter work at this speed or are there other options?
A: Thanks for your question! The Aardvark I2C/SPI Host Adap...