AR8031-AL1B データシートの表示（PDF） - Unspecified

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AR8031-AL1B

AR8031 Integrated 10/100/1000 Mbps Ethernet Transceiver

Unspecified 

n Supports Atheros Green ETHOS® power

saving modes with internal automatic DSP

power saving scheme

n Supports IEEE 802.3az (Energy Efficient

Ethernet)

n Supports SmartEEE which allows MAC/

SoC devices withoug 802.3az support to

function as the complete 802.3az system

n Supports Wake-on-LAN (WoL) to detect

magic packet and notify the sleeping system

to wake up

n Fully integrated digital adaptive equalizers,

echo cancellers, and Near End Crosstalk

(NEXT) cancellers

n Supports Synchronous Ethernet with

selectable recovered clock output

n Robust Cable Discharge Event (CDE)

protection of ±6 kV

n Error-free operation over up to 140 meters

of CAT5 cable

n Automatic channel swap (ACS)

n Automatic MDI/MDIX crossover

n Automatic polarity correction

n IEEE 802.3u compliant Auto-Negotiation

n Jumbo Frame support up to 10KB (full

duplex)

n Multiple loopback modes for diagnostics

n Robust Surge Protection with ±750 V/

differential mode and ±4 kV/common

mode

n Cable Diagnostic Test (CDT)

n Single power supply: 3.3V, optional for

external regulator for core voltage

n 6mm x 6mm, 48-pin QFN package

n Industry temperature (I-temp) option

available.

AR8031 Functional Block Diagram

TRD[0:3]

DAC

Waveshape

Filter

Hybrid

Circut

PMA

PGA

ADC

AGC

Echo

Canceller

Next

Canceller

Feed

Forward

Equalizer

Deskewer

Decision

Feedback

Equalizer

Trellis

Decoder

Timing and

Phase

Recovery

Sync-E

Symbol

Encoder

Symbol

Decoder

Serial

Interface

PCS

Auto-

Negotiation

MII Management

Registers

1588v2

DLL

RGMII

RGMII

SGMII/

SerDes

2 • AR8031 Integrated 10/100/1000 Mbps Ethernet Transceiver

2 • August 2011

Atheros Communications, Inc.

COMPANY CONFIDENTIAL

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