XIO2213B Datasheet, PDF (74/199 Pages) Texas Instruments – PCI Express™ TO 1394b OHCI WITH 3-PORT PHY

XIO2213B
PCI Express™ TO 1394b OHCI WITH 3-PORT PHY
SCPS210D – OCTOBER 2008 – REVISED JULY 2009
www.ti.com
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
RESET STATE
15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
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
15:9 RSVD
8
SLOT
7:4 DEV_TYPE
3:0 VERSION
ACCESS
R
R
R
R
DESCRIPTION
Reserved. Returns 000 0000b when read.
Slot implemented. This bit is not valid for the bridge and is read-only 0b.
Device/port type. This read-only field returns 0111b indicating that the device is a PCIe to
PCI bridge.
Capability version. This field returns 1h indicating revision 1 of the PCIe capability.
74
Classic PCI Configuration Space
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