User`s guide

3-19
Triggering the Oscilloscope
To use CAN triggering
To use CAN triggering
Controller Area Network (CAN) trigger will trigger on CAN version 2.0A and
2. 0B si gn al s. Se tu p co nsi s ts o f c on ne ct in g t he oscill os co pe to a C AN si gn al. Pre ss
the Settings softkey to specify baud rate, signal source, and signal type to trigger
on.
The CAN trigger will trigger on the Start of Frame (SOF) bit of a Data frame,
Remote Transfer Request (RTR) frame, or an Overload frame. A CAN message
frame in CAN_L signal type is shown below:
1Press the More key in the Trigger section of the front panel, rotate the
Entry knob until
CAN is displayed in the Trigger softkey, then press the
Settings softkey to display CAN trigger menu.
Agilent N2758A CAN Trigger Module
The following topic discusses the basic CAN triggering available in the
54620/40-series oscilloscopes. For advanced CAN triggering using the optional
Agilent N2758A CAN Trigger Module for 54620/40-series Mixed-signal oscilloscopes,
refer to the N2758A User’s Guide
Arbitration
Field
Control
Field
CRC
Field
ACK
Field
Data
Field
Bus
Idle
Inter-
mission
EOF
SOF edge
Signal
baud rate
Trigger on:
condition
Signal type
and polarity
Signal
source
Trigger level
or threshold
Currently selected
signal source
CAN trigger
Return to
previous menu