ADLINK PCIe-7350 - Manual (Page 64)

54 Function Block and Operation Theory
[Example 4] External digital trigger with post trigger and re-trig-
ger
DO data Count: 4 samples per trigger
Trigger Event: DO-Start (rising edge)
Re-Trigger Count: 3
Figure 3-25: DO Post Trigger with Re-Trigger
[Example 5] External digital trigger with gated trigger
DI data Count: 12 samples
Trigger Event: DI-Pause (logic high)
Figure 3-26: DI Gated Trigger
DO Sampled Clock
DO-Start
(rising)
DO Data
Write 4 data
to external
device
Wait for
Trigger
t
w
t
w
= Minimum required pulse width time
Operation End
Wait for
Trigger
Wait for
Trigger
Write 4 data
to external
device
Write 4 data
to external
device
DI Sampled Clock
DI-Pause
(logic high)
DI Data
Read 4 data
into DI FIFO
Operation End
Read 8 data
into DI FIFO
Operation Start
DI Acquisition
Paused