Microchip VSC8512 Manual

Microchip Ikke kategoriseret VSC8512

Læs gratis den danske manual til Microchip VSC8512 (29 sider) i kategorien Ikke kategoriseret. Denne vejledning er vurderet som hjælpsom af 10 personer og har en gennemsnitlig bedømmelse på 4.7 stjerner ud af 5.5 anmeldelser. Har du et spørgsmål om Microchip VSC8512, eller vil du spørge andre brugere om produktet?

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VSC8512

Application Note

VSC8512 Design Guide

VPPD-01611 VSC8512 Application Note Revision 1.0

Contents

1 Revision History 1.0 ....................................................................................................................... 1

1.1 Revision 1.0 ........................................................................................................................................

2 Introduction ................................................................................................................................... 2

2.1 References .........................................................................................................................................

2.1.1 Vitesse Documents .................................................................................................................................. 2

2.1.2 IEEE Standards ......................................................................................................................................... 2

2.1.3 External Documents ................................................................................................................................ 2

3 Key Item Checklist .......................................................................................................................... 3

4 Design Aids ..................................................................................................................................... 4

4.1 Reference Design ................................................................................................................................

4.2 IBIS Model ..........................................................................................................................................

4.3 BSDL File .............................................................................................................................................

4.4 OrCAD Symbol ....................................................................................................................................

5 Copper Magnetics Modules ........................................................................................................... 5

5.1 Return Loss Parameter ....................................................................................................................... 5

5.2 Secondary Magnetics Parameters ...................................................................................................... 5

6 EMI Management .......................................................................................................................... 6

6.1 PHY EMI testing ..................................................................................................................................

6.2 MAC Interface Design Keys .................................................................................................................

6.3 Copper Interface Design Keys .............................................................................................................

6.4 Grounding Considerations ..................................................................................................................

6.4.1 Ground Isolation ...................................................................................................................................... 6

6.5 Bob Smith Termination .......................................................................................................................

7 Power Supply Considerations ........................................................................................................ 9

7.1 Power Supply Planes ..........................................................................................................................

7.2 Analog Power Plane Filtering .............................................................................................................. 9

7.3 Local Decoupling .................................................................................................................................

7.4 Power Supply and Clock Sequencing ................................................................................................ 10

7.5 Power Supply Estimated Requirements ........................................................................................... 10