Broa d c om Co rp o r a ti o n

Document

AC205-DS05-405-R

Advance Data Sheet

07/08/02

Address Table ......................................................................................................................................... 7

Address Recognition ............................................................................................................................... 7

Routing Decision ..................................................................................................................................... 8

Learning Process..................................................................................................................................... 8

Aging Time .............................................................................................................................................. 8

Forwarding Scheme ................................................................................................................................ 9

Bridge Buffer Management and Queues ................................................................................................. 9

Section 2: Pins................................................................................................................... 11

Pin Descriptions ......................................................................................................................................... 11

LED Display/Configuration/PROM Interface .........................................................................................14

Section 3: Register Descriptions ..................................................................................... 17

Register Description................................................................................................................................... 17

PHY Port Status Register ...................................................................................................................... 18

Initial Device Configuration Register ..................................................................................................... 18

Bridge Configuration Register ............................................................................................................... 19

PHY Registers ............................................................................................................................................. 20

PHY Configuration Register .................................................................................................................. 20

PHY Status Register.............................................................................................................................. 21

PHY Identifier 1 Register ....................................................................................................................... 22

PHY Identifier 2 Register ....................................................................................................................... 22

Auto-Negotiation Advertisement Register ............................................................................................. 22

Auto-Negotiation Link Partner Ability Register ...................................................................................... 23

Auto-Negotiation Expansion Register.................................................................................................... 23

Auto-Negotiation Next Page Transmit Register..................................................................................... 23

PHY 10BaseT Configuration Register .................................................................................................. 24

PHY Interrupt Control/Status Register .................................................................................................. 25

Diagnostic Register ............................................................................................................................... 25

Cable Length Register........................................................................................................................... 26

Receive Error Count .............................................................................................................................. 26

Power Management Register ............................................................................................................... 27

Transceiver Mode Register ...................................................................................................................27

CRC for Recent Received Packet ......................................................................................................... 28

Test and LED Effect Register .................................................................................................................... 28

LED Effect with Partition/Isolation Event ...............................................................................................28