NH82801BA S L7UU Intel, NH82801BA S L7UU Datasheet - Page 51
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NH82801BA S L7UU
Manufacturer Part Number
NH82801BA S L7UU
Description
Manufacturer
Intel
Datasheet
1.NH82801BA_S_L7UU.pdf
(671 pages)
Specifications of NH82801BA S L7UU
Lead Free Status / RoHS Status
Compliant
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2.1
2.2
2.3
Intel
®
Table 3. Hub Interface Signals
Table 4. LAN Connect Interface Signals
Table 5. EEPROM Interface Signals
82801EB ICH5 / 82801ER ICH5R Datasheet
Hub Interface to Host Controller
Link to LAN Connect
EEPROM Interface
LAN_RSTSYNC
LAN_RXD[2:0]
LAN_TXD[2:0]
HI_VSWING
EE_SHCLK
HIRCOMP
EE_DOUT
HI_STBS
HI_STBF
LAN_CLK
HI[11:0]
EE_DIN
EE_CS
Name
Name
Name
Type
Type
I/O
I/O
I/O
I/O
O
O
O
Type
I
I
O
O
I
I
EEPROM Shift Clock: This signal is the serial shift clock output to the EEPROM.
EEPROM Data In: This signal transfers data from the EEPROM to the Intel
This signal has an integrated pull-up resistor.
EEPROM Data Out: This signal transfers data from the ICH5 to the EEPROM.
EEPROM Chip Select: This signal is the chip select to the EEPROM.
Hub Interface Signals
Hub Interface Strobe First: The first of two differential strobe signals used to
transmit and receive data through the hub interface.
Hub Interface Strobe Second: The second of two strobe signals used to transmit
and receive data through the hub interface.
Hub Interface Impedance Compensation: This signal is used for hub interface
buffer compensation.
Hub Interface Voltage Swing: This is an analog input used to control the voltage
swing and impedance strength of hub interface pins. The expected voltage is
800 mV.
LAN I/F Clock: This signal is driven by the LAN Connect component. The
frequency range is 5 MHz to 50 MHz.
Received Data: The platform 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 platform LAN Connect component’s Reset and Sync
signals are multiplexed onto this pin.
Description
Description
Description
Signal Description
®
ICH5.
51
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