L7700 datasheet(3/87 Pages) INTEL

3 / 87 page

Datasheet

Contents

1Introduction ..............................................................................................................7

1.1

Terminology .......................................................................................................8

1.2

References .........................................................................................................9

Low Power Features ................................................................................................ 11

2.1

Clock Control and Low Power States .................................................................... 11

2.1.1

Core Low Power State Descriptions ........................................................... 13

2.1.2

Package Low Power State Descriptions ...................................................... 15

2.2

Enhanced Intel SpeedStep® Technology .............................................................. 18

2.2.1

Dynamic FSB Frequency Switching ........................................................... 19

2.2.2

Intel® Dynamic Acceleration Technology................................................... 19

2.3

Extended Low Power States ................................................................................ 19

2.4

FSB Low Power Enhancements ............................................................................ 20

2.5

VID-x .............................................................................................................. 21

2.6

Processor Power Status Indicator (PSI-2) Signal .................................................... 21

Electrical Specifications ........................................................................................... 23

3.1

Power and Ground Pins ...................................................................................... 23

3.2

FSB Clock (BCLK[1:0]) and Processor Clocking...................................................... 23

3.3

Voltage Identification ......................................................................................... 23

3.4

Catastrophic Thermal Protection .......................................................................... 26

3.5

Reserved and Unused Pins.................................................................................. 26

3.6

FSB Frequency Select Signals (BSEL[2:0])............................................................ 27

3.7

FSB Signal Groups............................................................................................. 27

3.8

CMOS Signals ................................................................................................... 29

3.9

Maximum Ratings.............................................................................................. 29

3.10 Processor DC Specifications ................................................................................ 30

Package Mechanical Specifications and Pin Information .......................................... 41

4.1

Package Mechanical Specifications ....................................................................... 41

4.2

Processor Pinout and Pin List .............................................................................. 49

4.3

Alphabetical Signals Reference ............................................................................ 69

Thermal Specifications and Design Considerations .................................................. 77

5.1

Thermal Specifications ....................................................................................... 80

5.1.1

Thermal Diode ....................................................................................... 81

5.1.2

Thermal Diode Offset .............................................................................. 83

5.1.3

Intel® Thermal Monitor........................................................................... 84

5.1.4

Digital Thermal Sensor............................................................................ 86

5.1.5

Out of Specification Detection .................................................................. 87

5.1.6

PROCHOT# Signal Pin ............................................................................. 87

L7700 Datasheet(PDF) 3 Page - Intel Corporation

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