lu82562ex Intel Corporation, lu82562ex Datasheet - Page 5

• Manufacturer Part Number: lu82562ex
• Description: Dual Footprint
• Manufacturer: Intel Corporation

Contents
1.0
1.1
1.2
1.3
2.0
2.1
2.2
3.0
3.1
3.2
3.3
4.0
4.1
Scope............................................................................................................................................ 1
Reference Documents .................................................................................................................. 2
Product Codes .............................................................................................................................. 2
LCI Connection to 82562EZ(EX) Platform LAN Connect Device ................................................. 3
CSA Port Connection to 82547GI(EI) Gigabit Ethernet Controller ............................................... 4
2.2.1
2.2.2
General Design Considerations for Ethernet Controllers.............................................................. 7
3.1.1
3.1.2
3.1.3
3.1.4
3.1.5
3.1.6
Designing with the 82562EZ(EX) Platform LAN Connect Device...............................................12
3.2.1
3.2.2
3.2.3
3.2.4
3.2.5
Designing with the 82547GI(EI) Gigabit Ethernet Controller ......................................................14
3.3.1
3.3.2
3.3.3
3.3.4
3.3.5
3.3.6
3.3.7
3.3.8
General Layout Considerations for Ethernet Controllers ............................................................21
4.1.1
4.1.2
4.1.3
4.1.4
4.1.5
4.1.6
4.1.7
4.1.8
4.1.9
4.1.10 Power and Ground Planes.............................................................................................25
Introduction......................................................................................................................... 1
System Data Port Interfaces .............................................................................................. 3
Ethernet Component Design Guidelines ............................................................................ 7
Ethernet Component Layout Guidelines ..........................................................................21
Generation/Distribution of Reference Voltages ............................................................... 4
CSA Port Resistive Compensation .................................................................................. 5
Crystal Selection Parameters .......................................................................................... 7
Reference Crystal ..........................................................................................................10
Reference Crystal Selection ..........................................................................................11
Circuit Board ..................................................................................................................11
Temperature Changes...................................................................................................11
Integrated Magnetics Module ........................................................................................12
82562EZ/EX PLC Device LAN Disable Guidelines .......................................................12
Serial EEPROM for 82562EZ(EX) Implementations......................................................13
Magnetics Modules for 82562EZ(EX) PLC Device........................................................14
Power Supplies for 82562EZ(EX) PLC Implementations ..............................................14
82562EZ(EX) Device Test Capability ............................................................................14
82547GI(EI) Ethernet Controller LAN Disable Guidelines .............................................14
Serial EEPROM for 82547GI(EI) Controller Implementations .......................................15
EEPROM Map Information ............................................................................................17
Magnetics Modules for 82547GI(EI) Controller Applications .........................................17
Power Supplies for the 82547GI(EI) Device ..................................................................17
82547GI(EI) Controller Power Supply Filtering..............................................................18
82547GI(EI) Controller Power Management and Wake Up...........................................18
82547GI(EI) Device Test Capability ..............................................................................19
Guidelines for Component Placement ...........................................................................21
Crystals..........................................................................................................................22
Board Stack Up Recommendations...............................................................................22
Differential Pair Trace Routing.......................................................................................23
Signal Trace Geometry..................................................................................................24
Trace Length and Symmetry .........................................................................................24
Impedance Discontinuities.............................................................................................25
Reducing Circuit Inductance..........................................................................................25
Signal Isolation ..............................................................................................................25
82562EZ(EX)/82547GI(EI) Dual Footprint Design Guide
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