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Sample Position
Sample position is a point within a bit's time. The oscilloscope samples the bit level at
this point. The sample position is represented by the proportion of "the time from the
start of the bit to the sample position" to the "bit time", as shown in the figure below.
Click or tap the input field of Sample Position to set it by using the pop-up numeric
keypad. You can also use the corresponding multipurpose knob to set the value. The
settable range is from 10% to 90%.
Trigger Condition
Click or tap the drop-down button of When to select the desired trigger condition.
•
Sync: triggers on the last bit of the sync field.
•
ID: triggers when the frames with the specified ID are found.
Click or tap the input field of ID, and then use the pop-up numeric keypad to set
ID. You can also use the corresponding multipurpose knob to set the value.
•
Data: triggers when the data that meet the preset conditions are found.
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-
•
Data&ID: triggers when the frames with the specified ID and data that meet the
preset conditions are both found.
When Data&ID is selected, you need to set the Data, Bytes, and ID.
•
Sleep: triggers when the sleep frame is found.
Copyright ©RIGOL TECHNOLOGIES CO., LTD. All rights reserved.
Figure 8.39 Sample Position
Click or tap the input field of Data, and then the "Format" interface is
displayed. You can set the data bit that needs to be operated on. For
details, refer to descriptions in
Click or tap the input field of Bytes, and then use the pop-up numeric
keypad to set the length of the data. You can also use the corresponding
multipurpose knob to set the value. Its range is from 1 to 8.
Triggering the Oscilloscope
I2C Trigger
.
HDO4000 User Guide
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