Setup/hold trigger, Setup/hold trigger -35 – RIGOL MSO/DS2000A Series User Manual
Page 121
Chapter 5 To Trigger the Oscilloscope
RIGOL
MSO2000A/DS2000A User’s Guide
5-35
Setup/Hold Trigger
In setup/hold trigger, the instrument triggers when the internal state of the setup or
hold time relative to the clock edge is changed by the logic data input, namely trigger
when the setup time (△T1) is less than the preset setup time or when the hold time
(△T2) is less than the preset hold time, as shown in the figure below.
T1
T2
Data Source
Clock Source
T2
T1 is the setup time
is the hold time
The edge type is
The data type is H
Figure 5-11 Setup/Hold Trigger
Trigger Type:
Press Type to open the trigger type list. Rotate
and press down
to select
“Setup/Hold”. At this point, the trigger setting information as shown in the figure
below is displayed at the upper right corner of the screen. For example,
Source Selection:
Press DataSrc and ClkSrc to set the signal sources of the data line and clock line
respectively. They can be set to CH1, CH2 or any channel of D0-D15. For the details,
please refer to the introduction in “Trigger Source”. The current trigger source is
displayed at the upper right corner of the screen.
Edge Type:
Press Slope to select the desired clock edge type and it can be set to the rising edge
or falling edge.
Data Type:
Press Pattern to set the effective pattern of the data signal to H (high level) or L
(low level).