Triggering Events

Hardware triggering can be set to occur on the following events:

• Any Event
• Start Button (Manual)
• BNC Socket Input On Condition
• BNC Socket Input Off Condition
• Any of four specified Token Packets
• Any of four specified Data Packets
• Any of four specified Split Packets
• ACK Packet
• NAK Packet
• STALL Packet
• NYET Packet
• Not Handshake Packet (any event other than ACK, NAK, STALL or NYET packet)
• ERR Packet
• PRE Packet
• Specified SOF Packet
• Reserved PID Packet
• Bus Reset
• Suspend
• Resume
• HS Handshake OK
• HS Handshake Fail
• Chirp
• Keep Alive
• Data Line High
• Data Line Low
• Vbus On
• Vbus Off
• Specified Error Condition
• Any of four sequences of up to four of the above events occurring consecutively
• A counted quantity (up to of any of 65535) of any of the above
• A set of up to four of any of the above which occur in a particular order though not necessarily consecutively

Pre-Trigger Buffer

The USB480+ contains a Pre-Trigger Buffer of up to 32M bytes, with is able to capture events which occur before the trigger point, to allow analysis of the events which lead up to a particular occurance.

Trigger Presets

Triggering setup is simplified by the addition of a number of preset trigger configurations. These include:

• Triggering OFF
• Manual Triggering
• Trigger on any Transaction
• Trigger on any Data Packet
• Trigger on Bus Reset
• Trigger on Preamble with Setup Transaction
• Trigger on Isochronous In Transaction
• Trigger on Isochronous Out Transaction
• Trigger on In or Out Transaction
• Trigger on Ping Transaction
• Trigger on Split Setup Transaction
• Trigger on Split Bulk In or Out Transaction
• Trigger on Split Interrupt In or Out Transaction
• Trigger on Split Isochronous In or Out Transaction
• Trigger on Specified Data Pattern
• Trigger on Chirp
• Trigger on Suspend or Resume
• Trigger on Error Condition