AC207

Preliminary Data Sheet

07/08/02

B roa dcom

Document

AC207-DS04-405-R

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

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

Aging Time .............................................................................................................................................. 9

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

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

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

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

LED Display/Configuration/PROM Interface.......................................................................................... 15

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

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

PHY Port Status Register ...................................................................................................................... 19

Initial Device Configuration Register ..................................................................................................... 20

Bridge Configuration Register ............................................................................................................... 21

PHY Registers ............................................................................................................................................. 22

PHY Configuration Register .................................................................................................................. 22

PHY Status Register.............................................................................................................................. 23

PHY Identifier 1 Register ....................................................................................................................... 24

PHY Identifier 2 Register ....................................................................................................................... 24

Auto-Negotiation Advertisement Register ............................................................................................. 24

Auto-Negotiation Link Partner Ability Register ...................................................................................... 25

Auto-Negotiation Expansion Register.................................................................................................... 25

Auto-Negotiation Next Page Transmit Register..................................................................................... 25

PHY 10BASE-T Configuration Register ................................................................................................ 26

PHY Interrupt Control/Status Register................................................................................................... 27

Diagnostic Register ............................................................................................................................... 27

Cable Length Register........................................................................................................................... 28

Receive Error Count .............................................................................................................................. 28

Power Management Register ................................................................................................................ 28

Transceiver Mode Register ...................................................................................................................29

Test and LED Effect Register .................................................................................................................... 29

LED Effect with Partition/Isolation Event ...............................................................................................29

LED Effect with Link Event .................................................................................................................... 30

LED Effect with Activity (CRS) Event .................................................................................................... 30

LED Effect with Auto-Negotiating Event ................................................................................................ 30