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Intel
Atom Processor N270
Data Sheet
Intel Atom Processor N270 AU80586GE025D Data Sheet
Product codes
AU80586GE025D
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Datasheet
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Contents
1
Introduction .....................................................................................................6
1.1
Major Features.......................................................................................6
1.2
Terminology ..........................................................................................7
1.3
References ............................................................................................9
2
Low Power Features ........................................................................................10
2.1
Clock Control and Low-power States .......................................................10
2.1.1
Thread Low-power State Descriptions.........................................12
2.1.2
Package Low-power State Descriptions .......................................13
2.2
Dynamic Cache Sizing...........................................................................16
2.3
Enhanced Intel SpeedStep
®
Technology...................................................17
2.4
Enhanced Low-Power States ..................................................................18
2.5
FSB Low Power Enhancements ...............................................................19
2.5.1
Front Side Bus ........................................................................19
3
Electrical Specifications....................................................................................20
3.1
Power and Ground Pins .........................................................................20
3.2
FSB Clock (BCLK [1:0]) and Processor Clocking ........................................20
3.3
Voltage Identification ............................................................................20
3.4
Catastrophic Thermal Protection .............................................................23
3.5
Reserved and Unused Pins .....................................................................23
3.6
FSB Frequency Select Signals (BSEL [2:0]) ..............................................23
3.7
FSB Signal Groups................................................................................24
3.8
CMOS Asynchronous Signals ..................................................................25
3.9
Maximum Ratings.................................................................................25
3.10
Processor DC Specifications ...................................................................26
4
Package Mechanical Specifications and Pin Information.........................................33
4.1
Package Mechanical Specifications ..........................................................33
4.1.1
Package Mechanical Drawings ...................................................34
4.2
Processor Pin-out Assignment ................................................................34
4.3
Signal Description ................................................................................41
5
Thermal Specifications and Design Considerations ...............................................50
5.1
Thermal Diode .....................................................................................51
5.2
Intel® Thermal Monitor.........................................................................53
5.3
Digital Thermal Sensor..........................................................................55
5.3.1
Out of Specification Detection ...................................................56
5.3.2
PROCHOT# Signal Pin ..............................................................56
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