Description

The MT8950 is a coder/decoder which uses the Transition Encoded Modulation (TEM) technique for encoding/decoding low speed data to and from a 56/64 kbps channel (equivalent to PCM Voice). The coding and decoding scheme is transparent and can accept either synchronous or asynchronous data up to 8 kbps (inclusive); at 9.6 kbps and 19.2 kbps.

The MT8950 is fabricated in MITEL’s ISO-CMOS technology.

Features

• Transparent coding and decoding of 0 to 8, 9.6 and 19.2 kbps data

• Coding compatible to PCM voice channels at 56/64 kbps in ST-BUS format

• Automatic line polarity detection and correction

• Loopback facility for test purposes

• Selectable data formats: RZ or NRZ

• Eight user selectable modes of operation

• Low power ISO-CMOS technology

Applications

• Transparent coder/decoder for synchronous and asynchronous data

• Data terminal (RS-232C, etc.) to ST-BUS interface

• Data switching on digital PBXs

• Channel banks/TDM multiplexers