ADLINK PCI-9527 - Manual (Page 39)

Operation Theory 27
ADLINK Technology Inc. PCI-9527
Copyright 2010 User’s Manual
PCI dual address, a transfer size, and the pointer to the next
descriptor. PCI address and PCI dual address support 64-bit
addresses which can be mapped into more than 4 GB of address
space.
Figure 3-1: Linked List of PCI Address DMA Descriptors
Local Memory
(FIFO)
PCI Bus
First PCI Address
First Dual Address
Transfer Size
Next Descriptor
PCI Address
Dual Address
Transfer Size
Next Descriptor
PCI Address
Dual Address
Transfer Size
Next Descriptor