ADLINK PCIe-7350 - Manual (Page 63)

Function Block and Operation Theory 53
[Example 2] External digital trigger with post trigger
DO data Count: 8 samples
Trigger Event: DO-Start (rising edge)
Re-Trigger Count: 3
Figure 3-23: DO Post Trigger
[Example 3] External digital trigger with post trigger and re-trigger
DI data Count: 4 samples per trigger
Trigger Event: DI-Start (rising edge)
Re-Trigger Count: 3
Figure 3-24: DI Post Trigger with Re-trigger
DO Sampled Clock
DO-Start
(rising)
DO Data
Write 8 data
to external device
Wait for
DO-Start
t
w
t
w
= Minimum required pulse width time
Operation End
DI Sampled Clock
DI-Start
(rising)
DI Data
Read 4 data
into DI FIFO
Wait for
Trigger
t
w
t
w
= Minimum required pulse width time
Operation End
Wait for
Trigger
Read 4 data
into DI FIFO
Wait for
Trigger
Read 4 data
into DI FIFO