ADLINK PCIe-7350 - Manual (Page 49)

Function Block and Operation Theory 39
The operation architecture of DO DMA in continuous mode is
shown as below:
Figure 3-12: DO Continuous Mode Architecture
1/N
DO CLK
Mu
x
Int. DO sampled clk
16 steps
phase shift
Ext. DO sampled clk
Ext
. DO
CL
K
Mu
x
Bus Master DMA
100MHz
8K FIFO Flip Flop
D[31:0]
I
AFI6
SMB CLK in
AFI[7:0]
DO sampled clk
Start Trigger
Mux
NoWait/
WaitTRIG
Software trigger DO-Start
PCIe-7350 Card
DO Data DO Data
External trigger in
External clock in
clk
enable
16 steps
phase shift
O
AFI6
E
xp
o
rt. DO CLK
Mu
x
SMB CLK out
Exported sampled
clock out
clk valid
Export
clk gate
Software trigger out