Keysight InfiniiVision HD3 Series - Page 321

CAN Triggering and Protocol Decode 25
Keysight InfiniiVision HD3-Series Oscilloscopes User's Guide 321
• Std. Rate Settings — :
• Baud — Select the baud rate that matches match your CAN bus signal.
The CAN baud rate can be set to predefined baud rates from 10 kb/s up to
5 Mb/s or a user-defined baud rate from 10.0 kb/s to 4 Mb/s in increments
of 100 b/s. Fractional user-defined baud rates between 4 Mb/s and 5 Mb/s
are not allowed.
The default baud rate is 125 kb/s
If none of the pre-defined selections match your CAN bus signal, select User
Defined and use the User Baud field to enter the baud rate.
• Sample Point — Select the point between phase segments 1 and 2 where the
state of the bus is measured. This controls the point within the bit's time
where the bit value is captured.
• FD Rate Settings — When decoding CAN FD:
• Baud — Select the CAN FD baud rate of the signal from your device under
test.
If the desired baud rate is not shown in the list, select User Defined and use
the User Baud field to enter the baud rate.
The CAN FD baud rate can be set to predefined baud rates from 1-10 Mb/s
or a user-defined baud rate from 10.0 kb/s to 10 Mb/s in increments of
100 b/s.
If the baud rate you select does not match the CAN FD baud rate, false
triggers and decoding may occur.
• Sample Point — Specify the sample point.
The sample point is the point during the bit time where the bit level is
sampled to determine whether it is dominant or recessive. The sample point
represents the percentage of time between the beginning of the bit time to
the end of the bit time.
60%
70%
80%
Sample Point
One Bit
NOTE
For standard CAN, only the Standard Rate Settings must be set correctly. For CAN FD, both the
Standard Rate Settings and the FD Rate Settings must be set correctly.