Intel ULV 423 LE80538VE0041M Data Sheet

Intel

Product codes

LE80538VE0041M

Mobile Intel

®

Celeron

®

Processor (0.18µ) in BGA2 and Micro-PGA2 Packages

Datasheet

283654-003

4

Contents

Introduction.....................................................................................................................................9

Overview...............................................................................................................10

Terminology..........................................................................................................10

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

Mobile Intel Celeron Processor Features ..................................................................................12

New Features in the Mobile Intel Celeron Processor...........................................12

On-die GTL+ Termination .......................................................................12

Streaming SIMD Extensions ...................................................................12

2.1.3

Signal Differences Between the Mobile Intel Celeron Processors in the
BGA1/Micro-PGA1 and the BGA2/Micro-PGA2......................................12

Power Management .............................................................................................13

Clock Control Architecture.......................................................................13

Normal State ...........................................................................................13

Auto Halt State ........................................................................................13

Stop Grant State......................................................................................14

Quick Start State .....................................................................................15

HALT/Grant Snoop State ........................................................................15

Sleep State ..............................................................................................15

Deep Sleep State ....................................................................................16

Operating System Implications of Low-power States .............................16

GTL+ Signals........................................................................................................17

Mobile Intel Celeron processor CPUID ................................................................17

Electrical Specifications ..............................................................................................................18

Processor System Signals ...................................................................................18

Power Sequencing Requirements...........................................................19

Test Access Port (TAP) Connection .......................................................19

Catastrophic Thermal Protection.............................................................20

Unused Signals .......................................................................................20

Signal State in Low-power States ...........................................................20

System Bus Signals ..............................................................20

CMOS and Open-drain Signals.............................................20

Other Signals.........................................................................21

Power Supply Requirements................................................................................21

Decoupling Recommendations ...............................................................21

Voltage Planes ........................................................................................21

System Bus Clock and Processor Clocking .........................................................22

Maximum Ratings.................................................................................................22

DC Specifications .................................................................................................24

AC Specifications .................................................................................................28

3.6.1

System Bus, Clock, APIC, TAP, CMOS, and Open-drain AC
Specifications ..........................................................................................28

System Signal Simulations .........................................................................................................40

System Bus Clock (BCLK) and PICCLK AC Signal Quality Specifications .........40