Spi Trigger - Rigol DS6000 Series User Manual

RIGOL

SPI Trigger

Trigger on the data pattern with specified edge. When using SPI trigger, you need to
specify the SCL, SDA and CS data sources. Below is the sequence chart of SPI bus
data.
CS
SCL
SDA
Trigger Type:
Press Type to select "SPI". At this point, the trigger setting information as shown in
the figure below is displayed at the upper-right corner of the screen.
Source Selection:
Press SCL and SDA to specify the data sources of SCL and SDA respectively.
CH1-CH4 can be selected as the data source. The current trigger source is displayed
at the upper-right corner of the screen.
Trigger Condition:
Press When to select the desired trigger condition.
CS: when this trigger condition is selected, press CS to specify the data source

(CH1 to CH4) of CS. Press Mode to set the oscilloscope to trigger when the CS
channel is "H" or "L".
TimeOut: when this trigger condition is selected, press TimeOut to set the

minimum time that the clock (SCL) signal must be idle before the oscilloscope
will search for the data (SDA) on which to trigger. Use
the navigation knob
rotate the outer knob of the navigation knob
time within a relatively larger range. (The greater the rotation amplitude of the
outer knob, the faster the variations in the values.) The range is from 100 ns to
1 s.
5-24
to adjust the timeout time with a small step value or
5 To Trigger the Oscilloscope
or the inner knob of
to quickly adjust the timeout
DS6000 User's Guide