NH82801DB S L8DE Intel, NH82801DB S L8DE Datasheet - Page 272

• Manufacturer Part Number: NH82801DB S L8DE
• Manufacturer: Intel

Specifications of NH82801DB S L8DE

• Lead Free Status / RoHS Status: Compliant

LAN Controller Registers (B1:D8:F0)
7.2.11
7.2.12
272
General Control Register
Offset Address:
Default Value:
General Status Register
Offset Address:
Default Value:
Bit
7:4
Bit
7:3
3
2
1
0
2
1
0
Reserved. These bits should be set to 0000b.
LAN Connect Software Reset
0 = Cleared by software to begin normal LAN Connect operating mode. Software must not attempt
1 = Software can set this bit to force a reset condition on the LAN Connect interface.
Reserved. This bit should be set to 0.
Deep Power-Down on Link Down Enable
0 = Disable
1 = The Intel
Reserved
Reserved
Duplex Mode — RO. This bit indicates the wire duplex mode.
0 = Half duplex
1 = Full duplex
Speed — RO. This bit indicates the wire speed.
0 = 10 Mbps
1 = 100 Mbps
Link Status Indication — RO. This bit indicates the status of the link.
0 = Invalid
1 = Valid
to access the LAN Connect interface for at least 1 ms after clearing this bit.
D2 and D3 power states while the link is down. In this state, the LAN controller does not keep
link integrity. This state is not supported for point-to-point connection of two end stations.
1Ch
00h
1Dh
h
®
ICH4’s internal LAN controller may enter a deep power-down state (sub-3 mA) in the
—
R/W.
Description
Description
—
Attribute:
Size:
Attribute:
Size:
R/W.
Intel
R/W
8 bits
RO
8 bits
®
82801DB ICH4 Datasheet