AL2100

Preliminary Data Sheet

11/11/02

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

Table of Contents

Document

AL2100-DS01-405-R

HP-Auto MDI/MDIX ............................................................................................................................... 13

100Base Fiber PHY .....................................................................................................................................14

Encoder/Decoder................................................................................................................................... 14

Link Monitor ...........................................................................................................................................14

Clock Recovery .....................................................................................................................................14

Transmitter ............................................................................................................................................ 14

Far End Fault (FEF)............................................................................................................................... 14

Transmit Driver ...................................................................................................................................... 15

Section 4: Register Descriptions ..................................................................................... 16

100base-Tx PHY Registers ........................................................................................................................ 16

Control Register.....................................................................................................................................17

Status Register ...................................................................................................................................... 17

PHY Identifier 1 Register ....................................................................................................................... 18

PHY Identifier 2 Register ....................................................................................................................... 18

Auto-Negotiation Advertisement Register ............................................................................................. 19

Auto-Negotiation Link Partner Ability Register/Link Partner Next Page Message................................. 19

Auto-Negotiation Expansion Register.................................................................................................... 20

Auto-Negotiation Next Page Transmit Register..................................................................................... 20

Diagnostic Register ............................................................................................................................... 21

Power/Loopback Register ..................................................................................................................... 21

Cable Measurement Capability Register ...............................................................................................21

Receive Error Counter........................................................................................................................... 22

Power Management Register ................................................................................................................ 22

Operation Mode Register ...................................................................................................................... 23

CRC for Recent Received Packet ......................................................................................................... 23

100Base-FX PHY Registers........................................................................................................................ 24

Control Register.....................................................................................................................................24

Status Register ...................................................................................................................................... 25

PHY Identifier 1 Register ....................................................................................................................... 25

PHY Identifier 2 Register ....................................................................................................................... 26

Receive Error Counter........................................................................................................................... 26

Power Management Register ................................................................................................................ 26

Operation Mode Register ...................................................................................................................... 27

CRC for Recent Received Packet ......................................................................................................... 27