ADLINK PCIe-7350 - Manual (Page 53)

Function Block and Operation Theory 43
The timing diagram of DI DMA in handshaking mode is shown as
below:
Figure 3-15: DI Handshaking Timing Diagram
DO D1 D2
DI -REQ
DI Data
Read data into DI FIFO Wait for
DI-REQ
t
H
t
SU
t
H
t
SU
= Maximum required setup time
= Maximum required hold time
DI -ACK
t
1
t
2
t
3
t
1
≥ 20 ns
t
2
≥ 10 ns
t
3
≥ 50 ns