82801E datasheet(36/84 Pages) INTEL

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Intel® 82801E C-ICH

Advance Information Datasheet

3.2

Signals Grouped By Type

3.2.1

Hub Interface to Host Controller

3.2.2

Link to LAN Connect

3.2.3

EEPROM Interface

Table 7.

Hub Interface Signals

Name

Type

Description

HL[11:0]

I/O

Hub Interface Signals

HL_STB

I/O

Hub Interface Strobe: One of two differential strobe signals used to transmit and

receive data through the hub interface.

HL_STB#

I/O

Hub Interface Strobe Complement: Second of the two differential strobe signals.

HLCOMP

I/O

Hub Interface Compensation: Used for hub interface buffer compensation.

Table 8.

LAN Interface

Name

Type

Description

LAN0_CLK

LAN1_CLK

LAN Interface Clock: This signal is driven by the LAN Connect component. The

frequency range is 0.8 MHz to 50 MHz.

LAN0_RSTSYNC

LAN1_RSTSYNC

LAN Reset/Sync: The LAN Connect component’s Reset and Sync signals are

multiplexed onto this pin.

LAN0_RXD[2:0]

LAN1_RXD[2:0]

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.

LAN0_TXD[2:0]

LAN1_TXD[2:0]

Transmit Data: The integrated LAN Controller uses these signals to transfer

data and control information to the LAN Connect component.

Table 9.

EEPROM Interface

Name

Type

Description

EE0_CS

EE1_CS

EEPROM Chip Select: These signals are chip-select signals to the EEPROMs.

EE0_DIN

EE1_DIN

EEPROM Data In: These signals transfer data from the EEPROMs to the 82801E

C-ICH. These signals have an integrated pull-up resistor.

EE0_DOUT

EE1_DOUT

EEPROM Data Out: These signals transfer data from the 82801E C-ICH to the

EEPROMs.

EE0_SHCLK

EE1_SHCLK

EEPROM Shift Clock: These signals are the serial shift clock output to the

EEPROMs.

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