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MTC20455

更新时间： 2024-01-21 05:28:45

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
23页	657K
描述
QUAD ADSL DMT TRANSCEIVER

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中文翻译

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数据手册

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MTC20455 数据手册

MTC20455

QUAD ADSL DMT TRANSCEIVER

■ Quad DMT modem ATM framer

■ Supports ANSI T1.413 issue 2, ITU G.992.1,

and G.992.2 standards

■ Low power consumption (1W for four lines)

■ Standard Utopia level 2 ATM interface

■ 160 PQFP Package

PQFP160

LFBGA160

ORDERING NUMBERS:

■ 160 LFBGA Package

Part Numbers

Package

160 pin PQFP

Temperature

-40 to +85°C

MTC20455PQ-I

DESCRIPTION

MTC20455MB-I 160 pin LFBGA

The MTC20455 is the DMT modem and ATM

Framer of the MTK20450 Quad Rate adaptive

ADSL DynaMiTe chipset. When used in conjunc-

tion with the MTC20454 or MTC20154 analog

front-end, the product supports ANSI T1.413 re-

lease 2, ITU G.992.1 and G.992.2 (G.Lite) ADSL

specifications through software configuration. It

provides a cell based UTOPIA Level 2 ATM data

interface.

Can also be ordered using kit number MTK20450

the generic and ATM Transmission Convergence

(TC) layers. The generic TC consists of data

scrambling and Reed-Solomon error corrections,

with and without interleaving.

The MTC20455 is controlled and configured by the

MTC20136 Transceiver Controller. All program-

mable coefficients and parameters are loaded by

the Controller. The MTC20136 also controls the

initialisation procedure and performs the monitor-

ing and adaptive functions during operation.

The MTC20455 performs the DMT modulation,

demodulation, Reed-Solomon encoding, bit inter-

leaving and trellis coding for four ADSL modems.

The ATM section provides framing functions for

Figure 1. Block Diagram

AFE

Quad or Mux'd AFE Interface

Reset

JTAG

Test

DynaMiTe

Core 0

DynaMiTe

Core 1

Transceiver

Controller

DynaMiTe

Core 2

DynaMiTe

Core 3

Clocks

Interface Module

UTOPIA Interface

February 2004

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中文翻译

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