Datasheet
Mobile Intel
®
Celeron
®
Processor (0.18µ) in BGA2 and Micro-PGA2 Packages
Datasheet 283654-003 4
Contents
1. Introduction.....................................................................................................................................9
1.1 Overview...............................................................................................................10
1.2 Terminology..........................................................................................................10
1.3 References ...........................................................................................................11
2. Mobile Intel Celeron Processor Features ..................................................................................12
2.1 New Features in the Mobile Intel Celeron Processor...........................................12
2.1.1 On-die GTL+ Termination .......................................................................12
2.1.2 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
2.2 Power Management .............................................................................................13
2.2.1 Clock Control Architecture.......................................................................13
2.2.2 Normal State ...........................................................................................13
2.2.3 Auto Halt State ........................................................................................13
2.2.4 Stop Grant State......................................................................................14
2.2.5 Quick Start State .....................................................................................15
2.2.6 HALT/Grant Snoop State ........................................................................15
2.2.7 Sleep State..............................................................................................15
2.2.8 Deep Sleep State ....................................................................................16
2.2.9 Operating System Implications of Low-power States .............................16
2.3 GTL+ Signals........................................................................................................17
2.4 Mobile Intel Celeron processor CPUID ................................................................17
3. Electrical Specifications ..............................................................................................................18
3.1 Processor System Signals ...................................................................................18
3.1.1 Power Sequencing Requirements...........................................................19
3.1.2 Test Access Port (TAP) Connection .......................................................19
3.1.3 Catastrophic Thermal Protection.............................................................20
3.1.4 Unused Signals .......................................................................................20
3.1.5 Signal State in Low-power States ...........................................................20
3.1.5.1 System Bus Signals ..............................................................20
3.1.5.2 CMOS and Open-drain Signals.............................................20
3.1.5.3 Other Signals.........................................................................21
3.2 Power Supply Requirements................................................................................21
3.2.1 Decoupling Recommendations ...............................................................21
3.2.2 Voltage Planes ........................................................................................21
3.3 System Bus Clock and Processor Clocking.........................................................22
3.4 Maximum Ratings.................................................................................................22
3.5 DC Specifications .................................................................................................24
3.6 AC Specifications .................................................................................................28
3.6.1 System Bus, Clock, APIC, TAP, CMOS, and Open-drain AC
Specifications ..........................................................................................28
4. System Signal Simulations .........................................................................................................40
4.1 System Bus Clock (BCLK) and PICCLK AC Signal Quality Specifications .........40