® 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 Equal...

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