PCI1420 Datasheet, PDF (83/137 Pages) Texas Instruments – PC Card Controllers

4.37 Capability ID Register
The capability ID register identifies the linked list item as the register for PCI power management. The register returns
01h when read, which is the unique ID assigned by the PCI SIG for the PCI location of the capabilities pointer and
the value.
Bit
7
6
5
4
3
2
1
0
Name
Capability ID
Type
R
R
R
R
R
R
R
R
Default
0
0
0
0
0
0
0
1
Register:
Type:
Offset:
Default:
Capability ID
Read-only
A0h
01h
4.38 Next-Item Pointer Register
The next-item pointer register indicates the next item in the linked list of the PCI power management capabilities.
Because the PCI1420 functions include only one capabilities item, this register returns 0s when read.
Bit
7
6
5
4
3
2
1
0
Name
Next-item pointer
Type
R
R
R
R
R
R
R
R
Default
0
0
0
0
0
0
0
0
Register:
Type:
Offset:
Default:
Next-item pointer
Read-only
A1h
00h
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