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STLC60135 Datasheet Tosca Adsl Dmt Transceiver

Manufacturer: STMicroelectronics

Overview: ® 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 bitstream interface 16 bit multiplexed microprocessor interface (little and big endian compatibility) Analog Front End management Dual latency paths: fast and interleaved ATM’s PHY layer: cell processing (cell delineation, cell insertion, HEC) ADSL’s overhead management Reed Solomon encode/decode Trellis encode/decode (Viterbi) DMT mapping/ demapping over 256 carriers Fine (2ppm) timing recover using Rotor and Adaptative Frequency 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.

General Description

The STLC60135 is the DMT modem and ATM framer of the STMicroelectronics Tosca™ chipset.

When coupled with STLC60134 analog front-end and an external controller running dedicated firmware, 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.

Key Features

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