LAN9303 datasheet(13/366 Pages) SMSC

13 / 366 page

Small Form Factor Three Port 10/100 Managed Ethernet Switch with Single MII/RMII/Turbo MII

Datasheet

SMSC LAN9303/LAN9303i

Revision 1.3 (08-27-09)

DATASHEET

Chapter 1 Preface

1.1

General Terms

100BT

100BASE-T (100Mbps Fast Ethernet, IEEE 802.3u)

ADC

Analog-to-Digital Converter

ALR

Address Logic Resolution

BLW

Baseline Wander

Buffer Manager - Part of the switch fabric

BPDU

Bridge Protocol Data Unit - Messages which carry the Spanning Tree

Protocol information

Byte

8-bits

CSMA/CD

Carrier Sense Multiple Access / Collision Detect

CSR

Control and Status Registers

CTR

Counter

Destination Address

DWORD

32-bits

EPC

EEPROM Controller

FCS

Frame Check Sequence - The extra checksum characters added to the end

of an Ethernet frame, used for error detection and correction.

FIFO

First In First Out buffer

FSM

Finite State Machine

GPIO

General Purpose I/O

Host

External system (Includes processor, application software, etc.)

IGMP

Internet Group Management Protocol

Inbound

Refers to data input to the device from the host

Level-Triggered Sticky Bit

This type of status bit is set whenever the condition that it represents is

asserted. The bit remains set until the condition is no longer true, and the

status bit is cleared by writing a zero.

lsb

Least Significant Bit

LSB

Least Significant Byte

MDI

Medium Dependant Interface

MDIX

Media Independent Interface with Crossover

MII

Media Independent Interface

MIIM

Media Independent Interface Management

MIL

MAC Interface Layer

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