DM8603EP datasheet(2/107 Pages) DAVICOM

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DM8603

10/100 Mbps 3-port Ethernet Switch Controller with MII / RMII Interface

Preliminary datasheet

DM8603-12-DS-P01

November 8, 2010

CONTENT

GENERAL DESCRIPTION............................................................................................ 8

BLOCK DIAGRAM........................................................................................................ 8

FEATURES ................................................................................................................... 9

PIN CONFIGURATION ............................................................................................... 10

PIN DESCRIPTION ..................................................................................................... 11

5.1

P2 MII / Reduce MII / Reverse MII.................................................................................................................. 11

5.1.1

MII ............................................................................................................................................................. 11

5.1.2

Reduce MII................................................................................................................................................ 11

5.1.3

Reverse MII............................................................................................................................................... 12

5.2

EEPROM Interface............................................................................................................................................ 12

5.3

LED Pins ............................................................................................................................................................. 12

5.4

Clock Interface ................................................................................................................................................... 13

5.5

Network Interface .............................................................................................................................................. 13

5.6

Miscellaneous Pins.............................................................................................................................................. 13

5.7

Power Pins........................................................................................................................................................... 14

5.8

Strap Pins Table ................................................................................................................................................. 14

PHY REGISTERS ....................................................................................................... 15

6.1

PHY Registers Map............................................................................................................................................ 15

6.2

Basic Mode Control Register (040h, 060h)....................................................................................................... 16

6.3

Basic Mode Status Register (041h, 061h) ......................................................................................................... 17

6.4

PHY ID Identifier Register 1 (042h, 062h)....................................................................................................... 19

6.5

PHY ID Identifier Register 2 (043h, 063h)....................................................................................................... 19

6.6

Auto-negotiation Advertisement Register (044h, 064h) .................................................................................. 20

6.7

Auto-negotiation Link Partner Ability Register (045h, 065h) ........................................................................ 21

6.8

Auto-negotiation Expansion Register (046h, 066h) ......................................................................................... 22

6.9

Specified Configuration Register (054h, 074h) ................................................................................................ 23

6.10

Power Saving Control Register (05Dh, 07Dh) ................................................................................................. 24

SWITCH REGISTERS................................................................................................. 25

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