PEF24901HV22XT Lantiq, PEF24901HV22XT Datasheet - Page 6

• Manufacturer Part Number: PEF24901HV22XT
• Manufacturer: Lantiq

Specifications of PEF24901HV22XT

• Control Interface: HDLC
• Lead Free Status / Rohs Status: Compliant

Preface
This document describes the interfaces, functions and behavior of the QUAD ISDN 4B3T
Echocanceller Digital Front End (DFE-T V2.2). The PEF 24901 is the digital part of a two-
chip solution featuring four times ISDN basic rate access at 144 kbit/s. DFE-T V2.2
supersedes the existing versions, DFE-T V1.1 and DFE-T V1.2.
The corresponding Analog Front End, the AFE V2.1 (PEF 24902) is described in detail
in the Data Sheet V1.1, the Delta Sheet V1.2 and the Data Sheet V2.1.
Organization of this Document
This Data Sheet is divided into 9 chapters. It is organized as follows:
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Data Sheet
Chapter
Gives a general description of the product and its family, lists the key features, and
presents some typical applications.
Chapter
Lists pin locations with associated signals, categorizes signals according to function,
and describes signals.
Chapter
Gives a functional overview of the device, shows a block diagram, specifies the
various interfaces and describes the provided U-transceiver functions.
Chapter
Describes the reset and power-down behavior, illustrates the activation and
deactivation procedures, shows how the device is tested and how maintenance data
can be retrieved.
Chapter
Lists all available Monitor Commands that can be applied.
Chapter
Lists all register functions that are addressable by the new MON-12 protocol.
Chapter
Denotes the operating conditions and gives the exact interface timing.
Chapter
Chapter
1, Introduction
2, Pin Description
3, Functional Description
4, Operational Description
5, Monitor Commands
6, Register Description
7, Electrical Characteristics
8, Package Outlines
9, Appendix A: Standards and Specifications
7
DS1, 2002-09-30
PEF 24901
DFE-T