We showed you our USB 3.1 Host and Device, Platform to Platform demonstration all the way back on November 8 (read the Nov 19 updated blog entry), so we thought we should prove we actually are running USB 3.1 transactions.
We invited Chuck Trefts from Ellisys to bring in their USB 3.1 analyzer. It’s a small gold box, that looks more like a consumer device than an analyzer that belongs in a lab.
We run a throughput test to show that we are actually running at USB 3.1 speeds of 9 Gbps and above. This is the third benchmark we have run with our controller, independently showing that we can actually run USB 3.1 at USB 3.1 speeds.
You will see that we run the Ellisys software to capture trace data. The trace data shows that we are running USB 3.1 in two ways:
- First, it shows the new Link Credit 2. This is brand new to USB 3.1.
- Second, we zoom in on one part of the trace to look at the symbols which show that 128b/132b encoding.
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