Figure 8.27 I2C Trigger Setting Menu - Rigol DHO900 Series User Manual

After a trigger type is selected, the current trigger setting information (including the
trigger type, source, and level) is displayed in the trigger information label at the top
of the screen, as shown in the figure below. The information will change based on the
trigger settings.
Source Selection
Click or tap the drop-down buttons of SCL and SDA to select CH1-CH4 or D0-D15 to
specify the sources of SCL and SDA respectively. For details, refer to descriptions in
Trigger Source
label at the top of the screen.
Only when you select the channel that has signal inputs as the trigger source, can you
obtain a stable trigger.
Trigger Condition
Set the desired trigger condition in the When item.
• Start: triggers when SDA data transitions from high level to low level while SCL
is high level.
• Stop: triggers when SDA data transitions from low level to high level while SCL is
high level.
• Restart: triggers when another start condition occurs before a stop condition.
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Figure 8.27 I2C Trigger Setting Menu

. The selected trigger source is indicated in the trigger information
Triggering the Oscilloscope
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