STLC60135

更新时间： 2024-09-21 22:42:39

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		/
页数	文件大小	规格书
25页	191K
描述
TOSCA ADSL DMT TRANSCEIVER

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中文翻译

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数据手册

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STLC60135 数据手册

STLC60135

TOSCA ADSL DMT TRANSCEIVER

DTM modem for ADSL, compatible with the

following standards:

– ANSI T1.413 Issue 2

– ITU-T G.992.1 (G.dmt)

– ITU-T G.992.2 (G.lite)

Same chip for both ATU-C and ATU-R

Supports either ATM (Utopia level 1 & 2) or bit-

stream interface

PQFP144

16 bit multiplexed microprocessor interface (lit-

tle and big endian compatibility)

ORDERING NUMBER: STLC60135

Analog Front End management

Applications

Dual latency paths: fast and interleaved

ATM’s PHY layer: cell processing (cell deline-

ation, cell insertion, HEC)

ATU-C:

ATU-R:

DSLAM, Routers at Central Office

Routers at SOHO, stand-alone mo-

dems, PC mother boards

ADSL’s overhead management

Reed Solomon encode/decode

Trellis encode/decode(Viterbi)

General Description

The STLC60135 is the DMT modem and ATM

framerof theSTMicroelectronics Tosca chipset.

When coupled with STLC60134 analog front-end

and an external controller running dedicated firm-

ware, the product fulfils ANSI T1.413 “Issue 2”

DMT ADSL specification.

The STLC60135 may be used at both ends of

ADSL loop: ATU-C and ATU-R. The chip sup-

ports UTOPIA level 1 and UTOPIA level 2 inter-

face and a non ATM synchronous bit-stream in-

terface.

DMT mapping/ demapping over 256 carriers

Fine (2ppm) timing recover using Rotor and

AdaptativeFrequency Domain Equalizing

Time Domain Equalization

Front end digital filters

0.35µm HCMOS6 Technology

144 pin PQFP package

Power Consumption 1 Watt at 3.3V

Figure 1. Block Diagram

TEST SIGNALS

CLOCK

TEST

MODULE

DATA SYMBOL TIMING UNIT

VCXO

STM

TRELLIS

CODING

MAPPER/

GENERIC

REED/

AFE

INTERFACE

DSP

FRONT-END

FFT/IFFT

ROTOR

INTERFACE

MODULE

DEMAPPER

SOLOMON

UTOPIA

AFE

CONTROL

INTERFACE

ATM

SPECIFIC

CONTROLLER INTERFACE

AFE

CONTROL

D98TL315

CONTROLLER BUS

GENERAL PURPOSE I/Os

September 1999

1/25

12 3 4 5 6 7...25

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