Texas Instruments TSB12LV26 - Manual (Page 31)

3–11
3.16 Capability ID and Next Item Pointer Register
The capability ID and next item pointer register identifies the linked list capability item and provides a pointer to the
next capability item. See Table 3–13 for a complete description of the register contents.
Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Name Capability ID and next item pointer
Type R R R R R R R R R R R R R R R R
Default 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
Register: Capability ID and next item pointer
Type: Read-only
Offset: 44h
Default: 0001h
Table 3–13. Capability ID and Next Item Pointer Register Description
BIT FIELD NAME TYPE DESCRIPTION
15–8 NEXT_ITEM R
Next item pointer. The TSB12LV26 supports only one additional capability that is communicated to
the system through the extended capabilities list; thus, this field returns 00h when read.
7–0 CAPABILITY_ID R
Capability identification. This field returns 01h when read, which is the unique ID assigned by the PCI
SIG for PCI power management capability.