Datasheet
Mobile Intel
®
Pentium
®
III Processor in BGA2 and Micro-PGA2 Packages at 1 GHz,
900 MHz, 850 MHz, 800 MHz, 750 MHz, 700 MHz, Low-voltage 750 MHz, Low-voltage 700 MHz,
Low-voltage 600 MHz, Ultra Low-voltage 600 MHz and Ultra Low-voltage 500 MHz
4 Datasheet 283653-002
Contents
1. Introduction...................................................................................................................................10
1.1 Overview...............................................................................................................13
1.2 Terminology..........................................................................................................13
1.3 References ...........................................................................................................14
2. Mobile Pentium III Processor Features ......................................................................................15
2.1 New Features in the Mobile Pentium III Processor..............................................15
2.1.1 On-die GTL+ Termination .......................................................................15
2.1.2 Streaming SIMD Extensions ...................................................................15
2.1.3 Intel SpeedStep Technology ...................................................................15
2.1.4 Signal Differences Between the Mobile Pentium II Processor and the
Mobile Pentium
III Processor...................................................................15
2.2 Power Management .............................................................................................16
2.2.1 Clock Control Architecture.......................................................................16
2.2.2 Normal State ...........................................................................................16
2.2.3 Auto Halt State ........................................................................................16
2.2.4 Stop Grant State......................................................................................17
2.2.5 Quick Start State .....................................................................................18
2.2.6 HALT/Grant Snoop State ........................................................................18
2.2.7 Sleep State..............................................................................................18
2.2.8 Deep Sleep State ....................................................................................19
2.2.9 Operating System Implications of Low-power States .............................20
2.2.10 Intel SpeedStep Technology ...................................................................20
2.3 GTL+ Signals........................................................................................................20
2.4 Mobile Pentium III Processor CPUID ...................................................................20
3. Electrical Specifications ..............................................................................................................22
3.1 Processor System Signals ...................................................................................22
3.1.1 Power Sequencing Requirements...........................................................23
3.1.2 Test Access Port (TAP) Connection .......................................................23
3.1.3 Catastrophic Thermal Protection.............................................................24
3.1.4 Unused Signals .......................................................................................24
3.1.5 Signal State in Low-power States ...........................................................24
3.1.5.1 System Bus Signals ..............................................................24
3.1.5.2 CMOS and Open-drain Signals.............................................25
3.1.5.3 Other Signals.........................................................................25
3.2 Power Supply Requirements................................................................................25
3.2.1 Decoupling Recommendations ...............................................................25
3.2.2 Voltage Planes ........................................................................................26
3.3 System Bus Clock and Processor Clocking.........................................................26
3.4 Intel SpeedStep Technology ................................................................................26
3.5 Maximum Ratings.................................................................................................27
3.6 DC Specifications .................................................................................................28
3.7 AC Specifications .................................................................................................32