Intel Pentium III Processor 512K Manuals

Manuals and User Guides for Intel Pentium III Processor 512K. We have 1 Intel Pentium III Processor 512K manual available for free PDF download: Design Manual

Intel Pentium III Processor 512K Design Manual

Intel Pentium III Processor 512K Design Manual (44 pages)

Brand: Intel | Category: Computer Hardware | Size: 0.59 MB

Table of Contents

Table of Contents
3
Introduction
7
Related Documents
7
Conventions and Terminology
8
General Design Considerations
9
Nominal Board Stackup
9
Sample Board Stackup
9
Micro-FCBGA Component Keepout
10
Micro-FCBGA Package Mechanical Specifications
11
Micro-FCBGA Package - Top and Bottom Isometric Views
12
Processor Host Bus Design
13
Initial Timing Analysis
13
System Timing Equations
13
System Timing Terms
13
General Topology and Layout Guidelines
14
System Bus T-Topology
14
System Bus Timing Parameters
14
Sample CPU to CPU Flight Time Calculations
14
Wired-OR Signal Considerations
15
Trace Lengths for "T" Topology (Serverworks Chipset)
15
Component Values for T Topology
15
Simulation Methodology
16
Wired-OR Termination Topology
16
Wired-OR Values
16
Trace Routing
17
Layout Rules for AGTL Signals
17
Ground Reference
17
Reference Plane Splits
17
CPU Breakout
17
Minimizing Crosstalk
17
Layout Rules for Non-AGTL (CMOS) Signals
18
Undershoot/Overshoot Requirements
18
Debug Port Routing Guidelines
19
Target System Implementation
19
System Signal Layout Guidelines
19
Simple Terminations
20
JTAG Signal Layout Guidelines
20
TCK Termination, DP System
21
Prdyx# Signal Termination
21
Execution Signals Routing Guidelines
21
RESET# Signal Termination
22
JTAG Signals TDI/TDO for Processor Only
23
Routing Guidelines
23
Clocking
24
General Clocking Considerations
24
Host Bus Clock Connections
24
Single Ended Host Bus Clocking Routing
25
Single Ended Clocking Topology - CPU
25
Single Ended Clocking Topology
25
LV Intel Pentium
25
Component Values for SE Clocking Topology
26
CLKREF Filter Implementation
27
Single-Ended Clocking BSEL[1:0] Implementation
28
Single-Ended Clock BSEL Circuit (133 Mhz)
28
Debug Port Host Clock Connection
29
Clock Driver Decoupling and Power Delivery
29
Power
30
Terminology
30
Typical Power Delivery
30
Ideal LV Intel ® Pentium ® III Processor 512K Power Supply Scheme
31
Power Distribution for a DP System Motherboard
31
Intel ® Pentium ® III Processor 512K Power Requirements
32
Voltage Tolerance
32
Multiple Voltages
32
Detailed Power Distribution Model
32
VRM 8.5 Board Power Distribution Model
32
Voltage Sequencing
33
Meeting Dual Processor Power Requirements
33
Supplying Voltage
33
Decoupling Technology and Transient Response
33
1206 Capacitor Pad and Via Layouts
34
Recommendations
35
Decoupling Guidelines for LV Intel ® Pentium ® III Processor 512K Designs
35
Processor 512K Bulk Capacitance Recommendations
35
PLL Filter Recommendations
36
Processor PLL Filter
36
PLL Power Low Pass Filter Response
37
Thermals
38
THERMTRIP# Requirements
38
THERMTRIP# Erratum
38
Intel Pentium
39
Processor 512K Example THERMTRIP# Workaround Circuit
39
System Design Checklist
40
Introduction
40
Host Interface AGTL Bus and AGTL Signals
40
AGTL Signals
40
CMOS (Non-AGTL) Signals
41
CMOS Signals
41
TAP/ITP Checklist
42
Miscellaneous Checklist
42
TAP/ITP Signals
42
Clock Signals
42
Power Signals
44

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