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SDS2000X HD Series Digital Oscilloscope User Manual
1 1 6 i n t . s i g l e n t . c o m
I2C Trigger and Serial Decode
This section covers triggering and decoding I2C signals. Please read the following for more details:
"I2C Signal Settings", "I2C Trigger" and "I2C Serial Decode".
16.2.1 I2C Signal Settings
Connect the serial data signal (SDA) and the serial clock signal (SCL) to the oscilloscope, set the
mapping relation between channels and signals, and then set the threshold level of each signal. The
signal settings of decode and trigger are independent. If you want to synchronize the settings between
decode and trigger, please perform Protocol Copy in the decode dialog box.
A. Set the source of SCL. In the example above, SCL is connected to C4.
B. Set the threshold level of SCL. It is 1.7V for the LVTTL signal in this example.
C. Set the source of SDA. In the example above, SDA is connected to C1.
D. Set the threshold level of the SDA channel.
E. Return to the previous menu.
F. Threshold level line. It only appears when adjusting the threshold level.
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