Intel Pentium M Processor with 2-MB L2 Cache and 533-MHz Front Side Bus Datasheet

Datasheet 3
Contents
1 Introduction....................................................................................................................................7
1.1 Terminology..................................................................................................................................8
1.2 References ...................................................................................................................................9
2 Low Power Features....................................................................................................................11
2.1 Clock Control and Low Power States .........................................................................................11
2.1.1 Normal State..................................................................................................................11
2.1.2 AutoHALT Powerdown State .........................................................................................11
2.1.3 Stop-Grant State............................................................................................................12
2.1.4 HALT/Grant Snoop State...............................................................................................12
2.1.5 Sleep State ....................................................................................................................12
2.1.6 Deep Sleep State...........................................................................................................13
2.1.7 Deeper Sleep State .......................................................................................................13
2.2 Enhanced Intel SpeedStep
®
Technology ...................................................................................14
2.3 FSB Low Power Enhancements.................................................................................................15
2.4 Processor Power Status Indicator (PSI#) Signal ........................................................................15
3 Electrical Specifications .............................................................................................................17
3.1 Power and Ground Pins..............................................................................................................17
3.2 FSB Clock (BCLK[1:0]) and Processor Clocking........................................................................17
3.3 Voltage Identification ..................................................................................................................17
3.4 Catastrophic Thermal Protection ................................................................................................18
3.5 Signal Terminations and Unused Pins........................................................................................19
3.6 FSB Frequency Select Signals (BSEL[1:0]) ...............................................................................19
3.7 FSB Signal Groups.....................................................................................................................19
3.8 CMOS Signals ............................................................................................................................20
3.9 Maximum Ratings.......................................................................................................................21
3.10 Processor DC Specifications ......................................................................................................21
4 Package Mechanical Specifications and Pin Information .......................................................27
4.1 Processor Pinout and Pin List.....................................................................................................35
4.2 Alphabetical Signals Reference..................................................................................................51
5 Thermal Specifications and Design Considerations................................................................59
5.1 Thermal Specifications ...............................................................................................................61
5.1.1 Thermal Diode ...............................................................................................................61
5.1.2 Thermal Diode Offset.....................................................................................................61
5.1.3 Intel
®
Thermal Monitor...................................................................................................62