RS7220 데이터 시트보기 (PDF) - Conexant Systems

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RS7220

Home Networking Physical Layer Device with Integrated Analog Front End Circuitry

Conexant Systems 

Home Networking PHY with Integrated AFE

Typical Application

V.90 DSP

(optional)

V.90 CODEC

DAA

LANfinity™ CN7221

RJ-11

RS7112

P

Multifunction

C

Controller

I

(Ethernet MAC/V.90

Modem Combination)

7-Wire Serial I/F

(7WS)

CN7221

Home Networking PHY

with Integrated AFE

Media Independent I/F

(MII)

Ethernet 10 Mbps or

100 Mbps PHY/

Transceiver

RJ-45

Figure 1. Typical Application

LAN-056_CN7221_f1

Description

The typical application shown in Figure 1 displays a

multifunction PCI Network Interface Card (NIC). The NIC

incorporates the RS7112 Home Networking Controller, the

CN7221 Home Networking PHY with Integrated AFE, and a

V.90 56 Kbps host-controlled modem. The RS7112’s 7-

wire serial interface (7WS) is used to support the CN7221.

Home Networking

The home phoneline network is an Ethernet-compatible

LAN running over the random-tree wiring found in nearly

all homes. It does not require any hubs, routers, splitters,

filters or terminations. Initial products are PC network

interface cards, which will interface home computers

directly to the network via an in-home telephone jack.

Home phoneline networking will also work with current

Internet access technologies, such as cable modems, V.90

and ADSL.

LAN-056, Rev. A

Conexant

3

PROPRIETARY INFORMATION

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