DP83924BVCE Datasheet

IC型號：
DP83924BVCE
PDF描述：
Quad 10 Mb/s Ethernet Physical Layer - 4TPHY⑩
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DP83924BVCE Quad 10 Mb/s Ethernet Physical Layer - 4TPHY鈩?/div>

October 1998

DP83924BVCE

Quad 10 Mb/s Ethernet Physical Layer - 4TPHY鈩?/div>

General Description

The DP83924B Quad 10Mbps Ethernet Physical Layer

(4TPHY) is a 4-Port Twisted Pair PHYsical Layer Trans-

ceiver that includes all the circuitry required to interface

four Ethernet Media Access Controllers (MACs) to

10BASE-T. This device is ideally suited for switch hub

applications where 8 to 32 ports are commonly used.

The 4TPHY has three dedicated 10Base-T ports. There is

an additional port that is selectable for either 10Base-T or

for an Attachment Unit Interface (AUI). In 10Base-T mode,

any port can be configured to be Half or Full Duplex.

(Continued)

Programmable MAC Interface supports most

standard 7 signal MAC interfaces

Twisted Pair Transceiver Module

鈥?On-chip filters for transmit outputs

鈥?Low Power Driver

鈥?Heartbeat and Jabber Timers

鈥?Link Disable and Smart Receive Squelch

鈥?Polarity detection and correction

鈥?Jabber Enable/Disable

鈥?Isolate mode for diagnostics

鈥?Low Power Class AB Attachment Unit Interface (AUI)

Driver for one port

鈥?Enhanced Supply Rejection

鈥?Enhanced Jitter Performance

鈥?Diagnostic Endec Loopback

鈥?Squelch on Collision and Receive Pair

Serial LED interface for LINK, POLARITY, ACTIVITY,

and ERROR.

JTAG Boundary Scan per IEEE 1149.1

Features

100 pin package

10BASE-T and AUI interfaces

Automatic or manual selection of twisted pair or Attach-

ment Unit Interfaces on port 1

Direct Interface to NRZ Compatible controllers

IEEE 802.3u Auto-Negotiation between 10Mb/s Full

and Half Duplex data traffic and parallel detection

MII-like Serial management interface for configuration

and monitoring of ENDEC/Transceiver operation.

System Diagram

MAC Serial

NRZ Interface

RXD4,RXC4,COL4,CRS4

ISOLATION

10BASE-T

TXD4,TXE4

TPI

ports 1-4

RXD3,RXC3,COL3,CRS3

TXD3,TXE3

RXD2,RXC2,COL2,CRS2

DP83924B

ISOLATION

DP8392C

TXD2,TXE2

10BASE-2

MAC

AUI

(port 1 option)

RXD1,RXC1,COL1,CRS1

TXD1,TXE1

TXC

MDIO

MDC

Serial Mgmt Interface

4TPHY鈩?is a trademark of National Semiconductor Corporation.

TRI-STATE

廬

is a registered trademark of National Semiconductor Corporation.

漏

1998 National Semiconductor Corporation

www.national.com

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其它名稱
*DP83924BVCE

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