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SDS2000X HD Series Digital Oscilloscope User Manual
1 4 4 i n t . s i g l e n t . c o m
SENT Trigger and Serial Decode
This section covers triggering and decoding SENT signals. Please read the following for more details:
"SENT Signal Settings", "SENT Trigger" and "SENT Serial Decode".
16.11.1 SENT Signal Settings
Connect the SENT signal to the oscilloscope, set the mapping relation between channels and signals,
and then set the threshold level of each signal. The process of specifying the source and threshold is
similar to "I2C Signal Settings"
In the Protocol Config menu of trigger or decode, the following parameters are available:
A. Touch to specify the nominal clock period (tick) time
B. Set the percent tolerance to determine whether the sync
pulse is valid for decoding the data
C. Set the number of nibbles in a Fast Channel Message
D. Set the CRC format that will be used in calculating the
correctness of the CRCs. The New CRC selection uses
the 2010 CRC format. If “NEW” is not selected, the CRC
will use the 2008 format. Enhanced Serial Message
CRCs are always calculated using the 2010 format, but
for the Fast Channel Messages, and for Short Serial
Message CRCs, the chosen setting is used
E. Specify whether there is a pause pulse between Fast
Channel Messages
F. Return to the previous menu
16.11.2 SENT Trigger
When the protocol is set to SENT, the following trigger conditions can be set: Start, Slow Channel,
Fast Channel, and Error.
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