Interpreting Usb 2.0 Lister Data - Agilent Technologies 4000 X-Series User Manual

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USB 2.0 Triggering and Serial Decode

Interpreting USB 2.0 Lister Data

In addition to the standard Time column, the USB 2.0 Lister contains
these columns:
• PID — PID is displayed as red text if the PID check value does not
• Addr — Address.
• Endp — Endpoint.
• Data — either the Data of a Data Packet, or the various fields of a
• Fr — Frame – frame number of a SOF packet.
• CRC.
• Errors — "PID", "CRC5", "CRC16", "Glitch", "Stuff" , or "SE1" errors as
Aliased data is highlighted in pink. When this happens, decrease the
horizontal time/div setting and run again.
478
match.
SPLIT packet.
appropriate. The background color is red to indicate an error.
Agilent InfiniiVision 4000 X-Series Oscilloscopes User's Guide