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Chapter 5 To Trigger the Oscilloscope
Trigger Condition:
Click When to select the desired trigger condition.
=: triggers when the channel's data equal the set data value. Click Data to set
⚫
the data bit. For setting methods, refer to descriptions in "I2C Trigger
(Option)".
≠: triggers when the channel's data do not equal the set data value. Click Data
⚫
to set the data bit. For setting methods, refer to descriptions in "I2C Trigger
(Option)".
<: triggers when the channel's data are smaller than the set data value. Click
⚫
Data Max to set the upper limit of the data bit. For setting methods, refer to
descriptions in "I2C Trigger (Option)".
>: triggers when the channel's data are greater than the set data value. Click
⚫
Data Min to set the lower limit of the data bit. For setting methods, refer to
descriptions in "I2C Trigger (Option)".
><: triggers when the channel's data are smaller than the upper limit of the
⚫
data value and greater than the lower limit of the data value. Click Data Max
and Data Min to set the upper limit and lower limit of the data bit respectively.
For setting methods, refer to descriptions in "I2C Trigger (Option)".
<>: triggers when the channel's data are greater than the upper limit of the
⚫
data value or smaller than the lower limit of the data value. Click Data Max and
Data Min to set the upper limit and lower limit of the data bit respectively. For
setting methods, refer to descriptions in "I2C Trigger (Option)".
Width:
Click More → Width, then use the pop-up numeric keypad or scroll with the mouse
to set the width. Its range is from 4 to 32.
User Width:
Click More → User Width, then use the pop-up numeric keypad or scroll with the
mouse to set the user width. Its range is from 4 to 32.
Note:
The user width is smaller than or equal to the width.
Alignment:
Click More → Alignment to select the alignment way for data signal.
I2S: MSB (Most Significant Bit) of data for each sample is sent first, and LSB (Least
Significant Bit) is sent last. The MSB appears on the SDA line one bit clock after the
edge of the WS transition.
LJ: data transmission (MSB first) begins at the edge of the WS transition.
RJ: data transmission (MSB first) is right-justified to the WS transition.
Trigger Mode:
For details, refer to descriptions in "Trigger Mode".
Trigger Parameter Setting:
Set the trigger parameter (noise rejection) under this trigger type. For details, refer
to descriptions in "Noise Rejection".
DS8000-R User Guide
RIGOL
5-47
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