Interpreting Usb 2.0 Decode - Agilent Technologies 4000 X-Series User Manual

29
USB 2.0 Triggering and Serial Decode
•

Interpreting USB 2.0 Decode

The USB decode display is color coded as follows:
• For Token Packets (all but SOF):
• For Token Packets (SOF):
476
"Searching for USB 2.0 Data in the Lister"
• PID (yellow, "OUT", "IN", "SETUP", "PING")
• PID Check (yellow when valid, red when error detected)
• Address (blue)
• Endpoint (green)
• CRC (blue when valid, red when error detected)
• PID (yellow, "SOF")
• PID Check (yellow when valid, red when error detected)
• Frame (green) – the frame number
Agilent InfiniiVision 4000 X-Series Oscilloscopes User's Guide
on page 479