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Figure 3-20: do burst handshake mode architecture, Bus master dma, 20ks fifo flip flop – ADLINK PCIe-7360 User Manual

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Operations

Figure 3-20: DO Burst Handshake Mode Architecture

1/N

DO

CL

K

Mux

Int. DO sampled clk

80-step

phase shift

Ext. DO sampled clk

Ext. DO CLK

Mux

Bus Master DMA

100MHz

20kS 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 or DO-TRIG

DO Data

DO Data

External trigger in

External clock in

clk

enable

80-step

phase shift

O

AFI6

Expo

rt. DO CLK

Mux

SMB CLK out

Exported sampled

clock out

clk valid

Export

clk gate

Software trigger out

DO-REQ

DO-ACK

DO-REQ

DO-ACK

DO-REQ

DO-ACK