upd72872 Renesas Electronics Corporation., upd72872 Datasheet - Page 23

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

3.1.11 Offset_10
configuration, and status registers) of the µ PD72872, while the BIOS is expected to set this value during power-up
reset.
3.1.12 Offset_20
PCI_SIG committee, the value should be loaded into the register from the external serial ROM after power-up reset.
Access to this register through PCI-bus is prohibited.
3.1.13 Offset_22
assigned by the manufacturer, the value should be loaded into the register from the external serial EEPROM after
power-up reset. Access to this register through PCI-bus is prohibited.
3.1.14 Offset_30
3.1.15 Offset_34
the 1394 OpenHCI specification.
11-0
31-12
15-0
15-0
31-0
7-0
This register specifies the base memory address for accessing all the “Operation registers” (i.e. control,
This register identifies the subsystem that contains the NEC’s µ PD72872 function. While the ID is assigned by the
This register identifies the type of the subsystem that contains the NEC’s µ PD72872 function. While the ID is
This register is not supported by the current implementation of the µ PD72872.
This register points to a linked list of additional capabilities specific to the µ PD72872, the NEC’s implementation of
Bits
Bits
Bits
Bits
Bits
Base Address 0 Register
Subsystem Vendor ID Register
Subsystem ID Register
Expansion ROM Base Address Register
Cap_Ptr Register
R/W
R/W
R/W
R/W
R/W
R/W
R
R
R
R
R
Constant value of 000H. These bits are “read-only”.
-
Reserved Constant value of 0.
Constant value of 60H. The value represents an offset into the µ PD72872’s PCI Configuration
Space for the location of the first item in the New Capabilities Linked List.
Default value of 1033H.
Default value of 00CEH.
Data Sheet S14793EJ1V0DS
Description
Description
Description
Description
Description
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