372 Keysight M8000 Series of BER Test Solutions User Guide
7 Setting up Patterns
The following parameters are available to configure link training USB 3.0:
• DUT Type - Specifies which role the BERT should play during link
training. It can either be an upstream device for testing a downstream
port or vice versa.
• Target State - Determines the target state when bringing up the link.
• Trigger State - This parameter determines when the trigger output
signal of the LTSSM block should be asserted. Additionally this
information can be translated into a trigger pulse on entering or leaving
the specified state. This is done by the pulse shaper of the TCRL OUT
connector and no direct functionality of the LTSSM.
• LFPS tPeriod - Period of the LFPS cycle.
• LFPS Duty Cycle- Duty cycle of the LFPS cycle
• Polling LFPS tBurst- Link Training handshake before 5Gb/s.
• Polling LFPS tRepeat- Link Training handshake before 5Gb/s.
• Warm Reset LFPS tBurst- LFPS triggers transition to Rx.Detect.
The following figure shows the parameters which can be configured for
link training USB 3.1:
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