• The CP5021 is a single E1 transceiver designed by Chiphomer Technology Limited. It integrates a short haul E1 line interface unit and an E1 framer into a single chip.

• Complete E1 transceiver

• Short haul line interface for clock/data recovery

• Programmable Waveform Shaper

• 32-bit or 64-bit crystal-less jitter attenuator

• Supports framed or unframed data receive and transmit

• Supports FAS, CAS, CCS and CRC4 formats

• Dual 512-bit elastic buffers respectively for receive and transmit direction;controlled slip capability and • slip indication

• Supports Sa and Si bits insertion and extraction

• Detects and generates Receive Carrier Loss (RCL), Synchronization Loss (RLOS),AIS, remote alarm, and remote multi-frame alarms CAS signaling insertion and extraction

• Integrated HDLC controller with two 64-byte buffers configurable for Sa bit and sub DS0 operation

• Provides three types of loopback for system testing purpose

• 8 bit parallel microprocessor interface supports either multiplexed or non-multiplexed bus with Intel or Motorola mode

• Statistic counters for Bipolar and code violations, CRC4 code word errors, FAS word errors, and E bits

• IEEE 1149.1 JTAG boundary scan

• 3.3 V CMOS technology with 5V tolerant I/O

• Power consumption less than 150mW

• Operating industrial temperature range: -40℃—85℃

• LQFP64 package

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