Protocol analysis
R&S
®
RTE
883User Manual 1326.1032.02 ─ 20
Make sure that:
●
In the [PROTOCOL] > "Decode" tab:
– The correct "Protocol" is selected.
– The data sources of the serial bus are channel signals.
●
In the "Trigger" > "Setup" tab:
– The trigger "Sequence" = "A only".
– The trigger "Source" = "Serial bus".
– The correct "Serial bus" is selected.
Trigger type
Selects the trigger type for CXPI analysis.
Remote command:
TRIGger<m>:CXPI:TYPE on page 1884
Frame Start ← Trigger type
Triggers on a frame start.
Normal ← Trigger type
Triggers on a normal frame.
You can refine the trigger condition:
●
Set a frame ID pattern or a frame ID range to trigger only on frames that fulfill these
conditions.
See: "Frame ID" on page 887
●
Set an NM value expected in the frame.
See "NM" on page 889.
●
Set a CT value expected in the frame.
See: "CT" on page 889.
●
Set a DLC pattern or DLC pattern range to trigger only on frames that fulfill these
conditions.
See: "DLC" on page 888.
●
Set a data pattern condition to trigger only on frames that fulfill these conditions.
See: "Data" on page 888.
●
Set an index or index range to trigger only on frames that fulfill these conditions.
See: "Index" on page 889.
CXPI (option R&S RTE-K76)