356 Agilent InfiniiVision 3000 X-Series Oscilloscopes User's Guide
23 CAN/LIN Triggering and Serial Decode
Interpreting CAN Decode
• Frame ID appears in hex digits in yellow. Frames of 11 or 29 bits are
automatically detected.
• Remote frame (RMT) appears in green.
• Data length code (DLC) appears in blue for data frames and green for
remote frames.
• Data bytes appear in hex digits in white for data frames.
• Cyclic redundancy check (CRC) appears in hex digits in blue when
valid, or in red to indicate that the oscilloscope's hardware decode
calculated a CRC that is different from the incoming CRC data stream.
• Angled waveforms show an active bus (inside a packet/frame).
• Mid- level blue lines show an idle bus.
• Decoded text is truncated at the end of the associated frame when
there is insufficient space within frame boundaries.
• Pink vertical bars indicate you need to expand the horizontal scale (and
run again) to see decode.
• Red dots in the decode line indicate that there is data that is not being
displayed. Scroll or expand the horizontal scale to view the information.
Frame ID (yellow)
Data Length Code (blue)
Data (white)
CRC (blue)
Missing Acknowledge (red)
Active Error Frame (red)
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