Texas Instruments Dual/Single Socket CardBus and UntraMedia Controller PCI7621 - Manual (Page 248)

11−10
11.16 Capability ID and Next Item Pointer Registers
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 11−11 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
Offset: 44h
Type: Read-only
Default: 0001h
Table 11−11. Capability ID and Next Item Pointer Registers Description
BIT FIELD NAME TYPE DESCRIPTION
15−8 NEXT_ITEM R
Next item pointer. The flash media controller supports only one additional capability, PCI power
management, that is communicated to the system through the extended capabilities list; therefore,
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.