DS2143 Datasheet (Dallas Semiconducotr) - E1/ISDN-PRI framing transceiver

DS2143, E1/ISDN-PRI framing transceiver

The DS2143 is a comprehensive, software-driven E1 framer.

It is meant to act as a slave or coprocessor to a microcontroller or microprocessor.

Quick access via the parallel control port allows a single micro to handle many E1 lines.

The DS2143 is very flexible and can be configured into numerous ori

DS2143 Features

* E1/ISDN-PRI framing transceiver Frames to CAS, CCS, and CRC4 formats Parallel control port Onboard two frame elastic store slip buffer Extracts and inserts CAS signaling bits Programmable output clocks for fractional E1 links, DS0 loopbacks, and drop and insert applications Onboard Sa data link supp