February, 2007
PCI Express Capability Registers
11.9
PCI Express Capability Registers
This section details the PEX 8532 PCI Express Capability registers. Hot Plug Capability, Command,
Status, and Events are included in these registers. The register map is defined in Table 11-7.
Table 11-7. PCI Express Capability Register Map (All Ports)
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Next Capability Pointer (00h) Capability ID (10h)
Device Capabilities
PCI Express Capabilities
68h
6Ch
Device Status
Link Status
Slot Status
Device Control
70h
Link Capabilities
Slot Capabilities
Reserved
74h
Link Control
Slot Control
78h
7Ch
80h
84h – 8Ch
ExpressLane PEX 8532AA/BA/BB/BC 8-Port/32-Lane Versatile PCI Express Switch Data Book
Copyright © 2007 by PLX Technology, Inc. All Rights Reserved – Version 1.6
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