upd72872 Renesas Electronics Corporation., upd72872 Datasheet - Page 25

• Manufacturer Part Number: upd72872
• Description: Ieee1394 1-chip Ohci Host Controller
• Manufacturer: Renesas Electronics Corporation.

3.1.21 Offset_60
Next_Item_Ptr describes the location of the next item in the µPD72872’s Capability List.
3.1.22 Offset_62
µ PD72872.
7-0
15-8
2-0
3
4
5
8,6
9
10
15-11
The Cap_ID signals that this item in the Linked List is the registers defined for PCI Power Management, while the
This is a 16-bit read-only register that provides information on the power management capabilities of the
Bits
Bits
Cap_ID & Next_Item_Ptr Register
Power Management Capabilities Register
R/W
R/W
R
R
R
R
R
R
R
R
R
R
Cap_ID Constant value of 01H. The default value identified the Link List item as being the PCI
Power Management registers, while the ID value is assigned by the PCI SIG.
Next_Item_Ptr Constant value of 00H. It indicated that there are no more items in the Link
List.
Version Constant value of 010. The power management registers are implemented as
defined in revision 1.1 of PCI Bus Power Management Interface Specification.
PME clock Constant value of 0.
Reserved Constant value of 0.
DSI Constant value of 0.
Aux_current Constant value of 000. The auxiliary current requirement is not supported.
D1_support Constant value of 0. The µ PD72872 does not support the D1 Power
Management state.
D2_support Constant value of 1. The µ PD72872 supports the D2 Power Management state.
PME_support Constant value of 01100.
Data Sheet S14793EJ1V0DS
Description
Description
25