Rohde & Schwarz RTP044 - USB 3.1 Decode Results

Protocol analysis
R&S
®
RTP
844User Manual 1337.9952.02 ─ 12
For the basic trigger settings, proceed in the following way:
1. Press the [Protocol] key and selet the "Shortcuts" tab.
2. Press "Setup trigger".
3. Tap the "Source" button and select the "Serial bus" trigger source.
4. Select the "Protocol Type".
5. If you trigger on errors, enable the error types you want to find.
6. Select the frame types you want to trigger on.
7. For some frame types, you can define the frame fields.
For information on the configuration settings, see Chapter 13.19.3.1, "USB 3.1 trig-
ger settings", on page 841.
13.19.4 USB 3.1 decode results
When the configuration of the serial bus is complete, the signal can be decoded:
1. In the "Protocol" dialog > "Setup" tab, enable "Decode".
2. In the "Protocol" dialog > "Display" tab, select additional result display settings:
"Show decode table" and "Show binary signals".
For a description of the display settings, see also Chapter 13.1.3, "Display",
on page 514.
The instrument captures and decodes the signal according to the standard definition
and the configuration settings.
The color-coding of the various protocol sections and errors simplifies the interpretation
of the visual display. The decode information condenses or expands, depending on the
horizontal scale. Various data formats are available to show the result values.
Decode Results Table
The results are shown in two tables:
●
"Decode results": contains information about all decoded frames
●
"Details frame": contains more detailed information about the selected frame in the
"Decode results" table.
USB 3.1 (option R&S RTP-K61/K62)