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After a trigger type is selected, the current trigger setting information (including
trigger type, trigger source, and trigger 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 SCLK, WS, and SDA to select CH1-CH4 to the
specify the sources of SCLK, WS, and SDA respectively. For details, refer to
descriptions in
information 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.
Edge Type
Selects the desired clock edge from the drop-down list of SCLK Edge.
•
Rising: samples the SDA data on the rising edge of the clock.
•
Falling: samples the SDA data on the falling edge of the clock.
Audio
Click or tap the drop-down button of Audio to select the audio channel ("Left",
"Right", or "Either").
Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Figure 8.41 I2S Trigger Setting Menu
Trigger Source
. The current trigger source is displayed in the trigger
Triggering the Oscilloscope
HDO4000 User Guide
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