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USB4 LLSM View

The LLSM View displays the LLSM diagram depicted in the USB4 specification. To access the LLSM View:

Click the att_2_for_337087157.png button in the application toolbar to display the USB4 LLSM View of a captured trace.

OR

From the application menu, select Report > USB3 LTSSM/USB4 LSSM View > Show/Hide.

selectllsm.png
Select LLSM View from the Report Menu
att_10_for_337087157.jpeg
USB4 LLSM View

  • Click att_3_for_337087157.png to synchronize navigation between the LLSM View and CATC Trace View.

  • Click the left arrow att_4_for_337087157.png to go to the previous link state. Details are displayed based on the selected navigation mode.

  • Click the right arrow att_5_for_337087157.png to go to the next link state. Details are displayed based on the selected navigation mode.

  • Click att_6_for_337087157.png to show the number of transitions.

USB4 LSSM View—Working Modes

The USB4 LSSM view has two working modes, which can be selected through Navigation buttons on the View toolbar:

  • Single-Lane Navigation Mode att_7_for_337087157.png

  • Multi-Lane Navigation Mode att_8_for_337087157.png

Single-Lane Navigation Mode

When you enable Single-Lane Mode, you can select a target lane from the list box att_9_for_337087157.png in the LSSM view toolbar. The view will show the LSSM diagram for selected lane. All navigation for next/previous states will be based on the target lane. The CATC trace view will move to a packet that reflects next/previous state transition for selected lane.

Multi-Lane Navigation Mode

When Multi-Lane Mode is enabled, the lane selection list is disabled and LSSM view shows the LSSM diagram for the specific lane to which the CATC trace is currently navigated. When you scroll in CATC trace view, the LSSM diagram switches between different lanes.

Next/previous navigation buttons in LSSM view will work for all lanes and the CATC trace view will move to a packet that reflects the next/previous state transition for any lane.