82X38 datasheet(32/342 Pages) INTEL

32 / 342 page

Signal Description

Datasheet

2.6

Direct Media Interface

2.7

Power and Grounds

§ §

Signal Name

Type

Description

DMI_RXP_[3:0]

DMI_RXN_[3:0]

DMI

Direct Media Interface: Receive differential pair (RX). MCH-

ICH serial interface input

DMI_TXP_[3:0]

DMI_TXN_[3:0]

DMI

Direct Media Interface: Transmit differential pair (TX).

MCH-ICH serial interface output

Name

Voltage

Description

VCC

1.25 V

Core Power

VTT

1.1 V/1.2 V

Processor System Bus Power

VCC_EXP

1.25 V

PCI Express* and DMI Power

VCC_DDR

1.8 V/1.5V

DDR2/DDR3 System Memory Power

VCC_CKDDR

1.8V/1.5V

DDR2/DDR3 System Clock Memory Power

VCC3_3

3.3 V

3.3 V CMOS Power

VCCAPLL_EXP

1.25 V

Primary PCI Express PLL Analog Power

VCCAPLL_EXP2

1.25 V

Secondary PCI Express PLL Analog Power

VCCA_hplL

1.25 V

Host PLL Analog Power

VCCA_mpl

1.25 V

System Memory PLL Analog Power

VCCABG_EXP

3.3 V

PCI Express* Analog Power

VCC_CL

1.25 V

Controller Link Aux Power

VSS

0 V

Ground

82X38 Datasheet(PDF) 32 Page - Intel Corporation

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