參數(shù)資料
型號: BX80557E2140
廠商: INTEL CORP
元件分類: 微控制器/微處理器
英文描述: MICROPROCESSOR, PBGA775
封裝: LGA-775
文件頁數(shù): 78/107頁
文件大?。?/td> 1474K
代理商: BX80557E2140
Land Listing and Signal Descriptions
72
Datasheet
§ §
VRDSEL
Input
This input should be left as a no connect in order for the processor to
boot. The processor will not boot on legacy platforms where this
land is connected to VSS.
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)
11.0 Processor Power Delivery Design Guidelines For Desktop
LGA775 Socket.
VTT
Input
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. This land is connected internally in the package to
VTT.
Table 25.
Signal Description (Sheet 9 of 9)
Name
Type
Description
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