Introduction
R
4
Mobile Intel
Pentium III Processor-M Datasheet
3.4
Enhanced Intel SpeedStep Technology ...............................................................26
3.5
Maximum Ratings.................................................................................................27
3.6
DC Specifications .................................................................................................27
3.7
AC Specifications .................................................................................................37
3.7.1
System Bus, Clock, APIC, TAP, CMOS, and Open-drain AC
Specifications ..........................................................................................37
4.
System Signal Simulations .............................................................................................................53
4.1
System Bus Clock (BCLK) and PICCLK DC Specifications and AC Signal
Quality Specifications ...........................................................................................53
4.2
AGTL AC Signal Quality Specifications................................................................55
4.3
Non-AGTL Signal Quality Specifications..............................................................56
4.3.1
PWRGOOD, VTTPWRGD Signal Quality Specifications........................57
4.3.1.1.1
VTTPWRGD Noise Parameter Specification...........57
4.3.1.2
VTTPWRGD Transition Parameter Recommendation..........58
4.3.1.2.1
Transition Region.....................................................58
4.3.1.2.2
Transition Time ........................................................58
4.3.1.2.3
Noise ........................................................................58
5.
Mechanical Specifications ..............................................................................................................60
5.1
Socketable Micro-FCPGA Package .....................................................................60
5.2
Surface Mount Micro-FCBGA Package................................................................64
5.3
Signal Listings ......................................................................................................68
6.
VCC Thermal Specifications ............................................................................................................75
6.1
Thermal Diode ......................................................................................................76
7.
Processor Initialization and Configuration ......................................................................................78
7.1
Description............................................................................................................78
7.1.1
Quick Start Enable...................................................................................78
7.1.2
System Bus Frequency ...........................................................................78
7.1.3
APIC Enable ............................................................................................78
7.2
Clock Frequencies and Ratios .............................................................................78
8.
Processor Interface ........................................................................................................................79
8.1
Alphabetical Signal Reference .............................................................................79
8.2
Signal Summaries ................................................................................................89
Appendix A. PLL RLC Filter Specification ...................................................................................................91
A1.
Introduction..........................................................................................................91
A2.
Filter Specification ...............................................................................................91
A3.
Recommendation for Mobile Systems.................................................................92
A4.
Comments ...........................................................................................................93