AU80610006225AASLBXC 데이터 시트보기 (PDF) - Intel

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AU80610006225AASLBXC

Intel® Atom™ Processor D400 and D500 Series

Intel 

Signal Description

2.9

Processor Core Power Signals

Table 2-14.Processor Core Power Signals

Signal

Name

Description

Direction

VCC

Processor core power supply. The voltage supplied to

these pins is determined by the VID pins.

VCC_SENS

E

VCC_SENSE and VSS_SENSE provide an isolated, low

impedance connection to the processor core voltage

and ground. They can be used to sense or measure

voltage near the silicon.

VID[6:0]

VID[6:0] (Voltage ID) are used to support automatic

selection of power supply voltages (VCC). Intel Atom

Processor D400 and D500 Series support only a single

fused voltage.

Refer to the appropriate platform design guide or

Voltage Regulator-Down (VRD) 11.0 Design Guidelines

I/O

for more information. The voltage supply for these

signals must be valid before the VR can supply VCC to

the processor. Conversely, the VR output must be

disabled until the voltage supply for the VID signals

become valid. The VR must supply the voltage that is

requested by the signals, or disable itself.

VSS_SENS

E

VCC_SENSE and VSS_SENSE provide an isolated, low

impedance connection to the processor core voltage

and ground. They can be used to sense or measure

voltage near the silicon.

VCCA

Processor PLL power supply.

Type

PWR

Analog

CMOS

Analog

PWR

2.10 Graphics, DMI and Memory Core Power Signals

Table 2-15.Power Signals

Signal Name

VCCP

VCCGFX

VCCSM

VCCA_DMI

VCCACRTDAC

VCC_GIO

VCC_LGI_VID

VCCA_DDR

VCCD_HMPLL

VCCDLVD

VCCALVD

Description

LGI power supply

Graphics core power supply

DDR power supply

DMI power supply

CRT power supply

GPIO power supply

LGIO power supply

DDR power supply

HMPLL power supply

LVDS power supply

LVDS power supply

Direction

1.05

1.05

1.8

1.05

1.8

3.3

1.05

1.05

1.05

1.8

1.8

Type

PWR

PWR

PWR

PWR

PWR

PWR

PWR

PWR

PWR

PWR

PWR

Datasheet

25

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