Datasheet

XIO2213B
www.ti.com SCPS210F –OCTOBER 2008–REVISED MAY 2013
4.49 PCI Express Capabilities Register
This read-only register indicates the capabilities of the bridge related to PCIe. See Table 4-25 for a
complete description of the register contents.
PCI register offset: 92h
Register type: Read only
Default value: 0071h
BIT NUMBER 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
RESET STATE 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 1
Table 4-25. PCI Express Capabilities Register Description
BIT FIELD NAME ACCESS DESCRIPTION
15:9 RSVD R Reserved. Returns 000 0000b when read.
8 SLOT R Slot implemented. This bit is not valid for the bridge and is read-only 0b.
7:4 DEV_TYPE R Device/port type. This read-only field returns 0111b indicating that the device is a PCIe to
PCI bridge.
3:0 VERSION R Capability version. This field returns 1h indicating revision 1 of the PCIe capability.
Copyright © 2008–2013, Texas Instruments Incorporated Classic PCI Configuration Space 73
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