10 CAN/LIN Triggering and Serial Decode
274 InfiniiVision 7000B Series Oscilloscopes User’s Guide
LIN Triggering
To set up the oscilloscope to capture a LIN signal, see “Setup for LIN
Signals” on page 272.
LIN triggering will trigger on the rising edge at the Sync Break exit of the
LIN single- wire bus signal that marks the beginning of the message frame.
If the N5424A CAN/LIN Automotive Triggering and Decode option is
installed on your oscilloscope, the Frame ID and Frame ID and Data
trigger types are also available.
A LIN signal message frame is shown below:
1 Press [Trigger]; then, select the LIN trigger type.
2 Repeatedly press and release the Trigger: softkey or rotate the Entry
knob to select the trigger condition.
3 Press the Trigger: softkey and choose the type of trigger:
• Sync (Sync Break) — The oscilloscope triggers on the rising edge at
the Sync Break exit of the LIN single- wire bus signal that marks the
beginning the message frame.
• ID (Frame ID) — The oscilloscope triggers when a frame with an ID
equal to the selected value is detected. Use the Entry knob to select
the value for the Frame ID.
• ID & Data (Frame ID and Data) — The oscilloscope triggers when a
frame with an ID and data equal to the selected values is detected.
When triggering on a frame ID and data:
• To select the frame ID value, press the Frame ID softkey, and use
the Entry knob.
Sync Break Exit
Sync
Break
Sync
Field
Identifier
Break
Data
Fields
Checksum
Field
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