peb2254 Infineon Technologies Corporation, peb2254 Datasheet

peb2254

Manufacturer Part Number

peb2254

Description

Frame Line Interface Component Falc

Manufacturer

Infineon Technologies Corporation

Datasheet

1.PEB2254.pdf (3 pages)

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Download datasheet (32Kb)

Frame and Line Interface Component (FALC

General Information

The Frame and Line Interface Component PEB 2254

(FALC54) is a high sophisticated single chip solution for

primary rate PCM carriers. It may be programmed to operate

in 1.544-Mbit/s (T1) or 2.048-Mbit/s (CEPT) carrier systems.

The FALC54 provides the complete functionality of a line

interface-, a framing-, clock generation (2 VCOs) and

signaling unit on one chip with greatly increased

functionalities.

The FALC54 recovers clock and data using an integrated

digital phase-locked loop. It shapes the output pulse

following the AT&T Technical Advisory #34 or CCITT G.703

and generates a variety of systems clocks. The jitter

tolerance of the device meets the newest CCITT

recommendations and many other specifications by AT&T/

BELLCORE.

The FALC54 features include: selectable multiframe (six

multiframe formats), error checking (CRC4, CRC6), multiple

line codes (HDB3, B8ZS, AMI, CMI, NRZ), alarm reporting,

maintenance and performance monitoring. The circuit

contains a two-frame elastic memory which ensures wander

absorption between the PCM carrier and a synchronous,

system internal highway.

All signaling types – CCS, CAS and bit robbed signaling in

conjunction with Clear Channel Capability – are controlled by

the integrated LAPD/CAS signaling controller. In addition, the

FALC54 allows flexible access to facility data link and service

channels. All signaling and data link access can be handled

via 64-byte FlFOs.

The device includes functions which meet newest CCITT,

ETSI and FTZ recommendations for primary rate interfaces

and the AT&T Digital Multiplexed Interface specifications

(DMI). Controlling and monitoring of the device is performed

via a parallel 16-bit data bus interface which is directly

compatible with the most popular 8/16-bit microprocessors

(Intel or Motorola type).

Below a list of equipment as described by the CClTT which

potential FALC54 applications.

2048-kbit/s Applications

• PCM-multiplex equipment according to G.732 G.735,

• Digital multiplex equipment according to G.736, G.742,

• External access equipment according to G.737, G.739

• Digital exchange equipment according to G.705, Q.511

• Transmultiplex equipment according to G.793

• Video conferencing according to H.120, H.130

• Transcoder equipment according to G.761

• Digital circuit multiplication equipment according to G.763

• Digital section/line system according to G.921, G.952,

Siemens Aktiengesellschaft

G.738

G.745

Q.512

G.956

™

54)

Type

PEB 2254-H

1544-kbit/s Applications

• PCM-multiplex equipment according to G.733

• Digital multiplex equipment according to G.734, G.743

• Digital exchange equipment according to G.705, Q.511,

• Transmultiplex equipment according to G.793

• Video conferencing according to H.120, H.130

• Transcoder equipment according to G.762

• Digital circuit multiplication equipment according to G.763

• Digital section/line system according to G.951, G.955

• ADPCM-multiplex equipment according to G.724

Features

Line Interface

• Data and clock recovery

• Low transmitter output impedance for a high return loss

• Adaptively controlled receiver threshold

• Programmable pulse shape for T1 and CEPT

• Transmit line monitor

• Jitter specifications of CCITT I.431 and

• Maximum line attenuation more than 16 dB (CCITT I.431)

• Wander and jitter attenuation

• Implements local and remote loops for diagnostic

• Selectable line codes (H DB3, B8ZS, AMI, AMI with ZCS)

• Analog and digital loss of signal indication

• On-chip clock generator for system clocks

• TRISTATE function of transmit line outputs

• Jitter attenuator

Q.512

with reasonable protection resistors (CCITT G.703

requirements for the line input return loss fulfilled)

AT&T publications 62411 met

purposes

Package

P-MQFP-80-1 (SMD)

PEB 2254

Related parts for peb2254

peb2254 Summary of contents

Page 1

Frame and Line Interface Component (FALC General Information The Frame and Line Interface Component PEB 2254 (FALC54 high sophisticated single chip solution for primary rate PCM carriers. It may be programmed to operate in 1.544-Mbit/s (T1) or 2.048-Mbit/s ...

Page 2

Frame and Line Interface Component (FALC Frame Aligner • Frame alignments/synthesis for 2048 kbit/s (CEPT, PCM30) and 1544 kbit/s (T1, PCM24) • Meets newest CCITT Rec’s, ETSI Rec’s, FTZ Rec’s, and AT&T Technical References • Programmable formats for PCM30: Doubleframe, ...

Page 3

Frame and Line Interface Component (FALC RDO Equalizer RL1/ RL2/ RDIP RDIN DR = Dual Rail RL = Remote Loop Block Diagram Siemens Aktiengesellschaft 54) ™ XDI RL (T1) Local Loop XOID/ XL1/ XL2/ CLKDR XDOP XDON XS = Xslicer ...

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