Z550 datasheet(3/73 Pages) INTEL

3 / 73 page

Datasheet

Contents

Introduction...................................................................................................... 7

1.1

Abstract................................................................................................. 7

1.2

Major Features ....................................................................................... 7

1.3

Terminology........................................................................................... 9

1.4

References............................................................................................11

Low Power Features ..........................................................................................13

2.1

Clock Control and Low-Power States ........................................................13

2.1.1

Package/Core Low-Power State Descriptions ................................15

2.2

Dynamic Cache Sizing ............................................................................22

2.3

Enhanced Intel SpeedStep® Technology...................................................23

2.4

Enhanced Low-Power States....................................................................24

2.5

FSB Low Power Enhancements.................................................................25

2.5.1

CMOS Front Side Bus ................................................................25

2.6

Intel® Burst Performance Technology (Intel® BPT) ..................................26

Electrical Specifications .....................................................................................27

3.1

FSB, GTLREF, and CMREF........................................................................27

3.2

Power and Ground Pins...........................................................................27

3.3

Decoupling Guidelines ............................................................................28

3.3.1

VCC Decoupling .........................................................................28

3.3.2

FSB AGTL+ Decoupling..............................................................28

3.4

FSB Clock (BCLK[1:0]) and Processor Clocking ..........................................28

3.5

Voltage Identification and Power Sequencing.............................................28

3.6

Catastrophic Thermal Protection ..............................................................31

3.7

Reserved and Unused Pins ......................................................................31

3.8

FSB Frequency Select Signals (BSEL[2:0]) ................................................31

3.9

FSB Signal Groups .................................................................................31

3.10

CMOS Asynchronous Signals ...................................................................33

3.11

Maximum Ratings ..................................................................................33

3.12

Processor DC Specifications.....................................................................34

3.13

AGTL+ FSB Specifications .......................................................................45

Package Mechanical Specifications and Pin Information..........................................47

4.1

Package Mechanical Specifications ...........................................................47

4.1.1

Processor Package Weight .........................................................47

4.2

Processor Pinout Assignment...................................................................49

4.3

Signal Description..................................................................................56

Thermal Specifications and Design Considerations ................................................65

5.1

Thermal Specifications............................................................................68

5.1.1

Thermal Diode .........................................................................68

5.1.2

Intel® Thermal Monitor.............................................................70

5.1.3

Digital Thermal Sensor ..............................................................72

Z550 Datasheet(PDF) 3 Page - Intel Corporation

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