User`s guide

4.2 21164 Address Mapping to PCI Space
Figure 4–7 PCI to System Bus Scatter-Gather Address Translation Map
Peripheral Page Number Offset
31
MK−2306−11
413 12 05 −1
0
33
33
−10 −11 7
T_BASE 000000
−10 −11 3
1
0
Compare
Scatter−Gather Entry
20
System Bus Page Number0 Offset
33 32 13 12 5
Physical Memory
PCI Address
System Bus
Base Address
(Translated Base
Register)
Scatter−Gather
Map Address
(Driven on
System Bus)
Scatter−Gather Map
(in Main Memory)
Location Address
(Driven on
System Bus)
nn
nn
nn
System Address Mapping 4–25