peb2255 Infineon Technologies Corporation, peb2255 Datasheet - Page 45

• Manufacturer Part Number: peb2255
• Description: E1/t1/j1 Framer And Line Interface Component For Long And Short Haul Applications
• Manufacturer: Infineon Technologies Corporation

3
3.1
The FALC
and controlled by an external microprocessor or microcontroller.
The main interfaces are
• Receive and Transmit Line Interface
• PCM System Highway Interface
• Microprocessor Interface
• Boundary Scan Interface
as well as several control lines for reset and clocking purpose.
The main internal functional blocks are
• Analog line receiver with equalizer network and digital clock/data recovery
• Analog line driver with programmable pulse shaper
• Clock generation
• Elastic buffers for receive and transmit direction
• Receive framer
• Receive line decoding, alarm detection, and PRBS monitoring
• Transmit framer
• Transmit line coding, alarm and PRBS generation
• Receive jitter attenuator
• Transmit jitter attenuator
• HDLC controller
• Loop switching (local, remote, payload, single channel)
• Register access interface
• Boundary scan control
Data Sheet
®
Functional Description E1/T1/J1
Functional Overview
-LH device contains analog and digital function blocks, which are configured
45
Functional Description E1/T1/J1
FALC-LH V1.3
PEB 2255
2000-07