NH82801DBSL8DE 869490 Intel, NH82801DBSL8DE 869490 Datasheet - Page 39
NH82801DBSL8DE 869490
Manufacturer Part Number
NH82801DBSL8DE 869490
Description
Manufacturer
Intel
Datasheet
1.NH82801DBSL8DE_869490.pdf
(587 pages)
Specifications of NH82801DBSL8DE 869490
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2.1
2.2
Intel
®
Table 2-1. Hub Interface Signals
Table 2-2. LAN Connect Interface Signals
82801DB ICH4 Datasheet
Hub Interface to Host Controller
Link to LAN Connect
LAN_RSTSYNC
LAN_RXD[2:0]
LAN_TXD[2:0]
HI_VSWING
HI_STB# /
LAN_CLK
HI_STBS
HI_STBF
HI_STB /
HICOMP
HI[11:0]
Name
Name
Type
Type
I/O
I/O
I/O
I/O
O
O
I
I
I
Hub Interface Signals
Hub Interface Strobe/ Hub Interface Strobe Second: One of two differential
strobe signals used to transmit and receive data through the hub interface.
Hub Interface 1.5 mode this signal is not differential and is the second of the
two strobe signals.
Hub Interface Strobe Complement / Hub Interface Strobe First: One of two
differential strobe signals used to transmit and receive data through the hub
interface.
Hub Interface 1.5 mode this signal is not differential and is the first of the two
strobe signals.
Hub Interface Compensation: Used for hub interface buffer compensation.
Hub Interface Voltage Swing: Analog input used to control the voltage swing
and impedance strength of hub interface pins.
NOTES:
LAN I/F Clock: Driven by the LAN Connect component. Frequency range is
5 MHz to 50 MHz.
Received Data: The LAN Connect component uses these signals to transfer
data and control information to the integrated LAN controller. These signals
have integrated weak pull-up resistors.
Transmit Data: The integrated LAN controller uses these signals to transfer
data and control information to the LAN Connect component.
LAN Reset/Sync: The LAN Connect component’s Reset and Sync signals are
multiplexed onto this pin.
1. Refer to the platform design guide for expected voltages.
2. Refer to the platform design guide for resistor values and routing guidelines
for each hub interface mode.
Description
Description
Signal Description
39
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