IP175ALF-DS-R02 datasheet(2/60 Pages) ETC2

2 / 60 page

IP175A LF

Preliminary Data Sheet

2/60

February 20, 2006

IP175A LF-DS-R08

Table Of Contents

Features ......................................................................................................................1

General Description .....................................................................................................1

Table Of Contents ........................................................................................................2

Revision History...........................................................................................................3

Applications ...........................................................................................................4

Applications (continued) .................................................................................................5

Applications (continued) .................................................................................................6

Pin Diagram...........................................................................................................7

Pin Descriptions.....................................................................................................8

Pin Descriptions (continued)...........................................................................................9

Pin Descriptions (continued) .........................................................................................10

Pin Descriptions (continued)......................................................................................... 11

Pin Descriptions (continued).........................................................................................12

Pin Descriptions (continued).........................................................................................13

Pin Descriptions (continued).........................................................................................14

Pin Descriptions (continued).........................................................................................15

Pin Descriptions (continued) .........................................................................................17

Pin Descriptions (continued).........................................................................................18

Functional Description .........................................................................................19

4.1

5-port switch application ..................................................................................................... 19

4.2

Router application............................................................................................................... 20

4.3

MII0 MAC mode.................................................................................................................. 21

4.4

MII, SMI and MII register .................................................................................................... 22

4.5

Fiber port configuration....................................................................................................... 25

4.6

CoS..................................................................................................................................... 26

4.7

VLAN .................................................................................................................................. 27

4.7.1

Port base VLAN..................................................................................................... 27

4.7.2

Tag / un-tag............................................................................................................ 27

4.8

Initial value set by LED pins ............................................................................................... 28

4.9

Built in regulator.................................................................................................................. 29

4.10

Extended MII registers........................................................................................................ 30

4.11

EEPROM register ............................................................................................................... 37

4.12

The basic MII registers ....................................................................................................... 48

4.13

LED Blink Timming ............................................................................................................. 52

Electrical Characteristics .....................................................................................53

5.1

Absolute Maximum Rating.................................................................................................. 53

5.2

DC Characteristic ............................................................................................................... 53

5.3

AC Timing ........................................................................................................................... 54

5.3.1

Reset Timing.......................................................................................................... 54

5.3.2

MII0 PHY Mode Timing.......................................................................................... 54

5.3.3

MII1 PHY Mode Timing.......................................................................................... 56

5.3.4

MII0 MAC Mode Timing ......................................................................................... 57

5.3.5

SMI Timing............................................................................................................. 58

5.3.6

EEPROM Timing ................................................................................................... 59

Order Information.................................................................................................59

Package Detail.....................................................................................................60

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