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| 型號(hào)： | BX80552641T2 |
| 廠商： | INTEL CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, 3200 MHz, MICROPROCESSOR, PBGA775 |
| 封裝： | FLIP CHIP, LGA-775 |
| 文件頁數(shù)： | 82/108頁 |
| 文件大小： | 3283K |
| 代理商： | BX80552641T2 |
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Datasheet
77
Land Listing and Signal Descriptions
§
VCC_SENSE
Output
VCC_SENSE is an isolated low impedance connection to processor core power
(VCC). It can be used to sense or measure voltage near the silicon with little
noise.
VCC_MB_
REGULATION
Output
This land is provided as a voltage regulator feedback sense point for VCC. It is
connected internally in the processor package to the sense point land U27 as
described in the Voltage Regulator-Down (VRD) 10.1 Design Guide for Desktop
Socket 775.
VID[5:0]
Output
VID[5:0] (Voltage ID) signals are used to support automatic selection of power
supply voltages (VCC). Refer to the Voltage Regulator-Down (VRD) 10.1 Design
Guide for Desktop Socket 775 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 becomes valid. The VID signals are needed to support the processor
voltage specification variations. See Table 2-1 for definitions of these signals.
The VR must supply the voltage that is requested by the signals, or disable
itself.
VSS
Input
VSS are the ground pins for the processor and should be connected to the
system ground plane.
VSSA
Input
VSSA is the isolated ground for internal PLLs.
VSS_SENSE
Output
VSS_SENSE is an isolated low impedance connection to processor core VSS. It
can be used to sense or measure ground near the silicon with little noise.
VSS_MB_
REGULATION
Output
This land is provided as a voltage regulator feedback sense point for VSS. It is
connected internally in the processor package to the sense point land V27 as
described in the Voltage Regulator-Down (VRD) 10.1 Design Guide for Desktop
Socket 775.
VTT
Miscellaneous voltage supply.
VTT_OUT_LEFT
VTT_OUT_RIGHT
Output
The VTT_OUT_LEFT and VTT_OUT_RIGHT signals are included to provide a
voltage supply for some signals that require termination to VTT on the
motherboard.
VTT_SEL
Output
The VTT_SEL signal is used to select the correct VTT voltage level for the
processor.
VTTPWRGD
Input
The processor requires this input to determine that the VTT voltages are stable
and within specification.
Table 4-3. Signal Description (Sheet 1 of 9)
Name
Type
Description
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
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