PEF24902 datasheet(13/52 Pages) INFINEON

Part #	PEF24902

Description	Quad ISDN Echocancellation Circuit Analog Front End for Splitterless ADSL over ISDN

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Manufacturer	INFINEON [Infineon Technologies AG]

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PEB 24902

PEF 24902

External Signals

Data Sheet

Rev. 1, 2004-05-28

2.3.1

General Aspects

The following abbreviations are used:

2.3.2

Pin Description: Changes to AFE V2.1

Some unused pins of AFE V2.1 are used for AFE-X for additional functionality.

Table 1 to Table 2 list all pins with changed functionality as compared to AFE V2.1.

Input. Digital LvTTL levels

Output. Digital LvTTL levels

Open Drain

Pull Up

Pull Down

N.C.

Not Connected

Table 1

Serial Control Interface (SCI)

No.

Old

New

I/O

Function

N.C.

SCS

(PD)

Tie to ’1’

N.C.

SCLK

(PD)

Serial Clock

Clock signal of the SCI

ADDR

DIN

(PD)

Serial Data Receive

Receive data line of the SCI

N.C.

DOUT

Serial Data Transmit

Transmit data line of the SCI

Table 2

Address Pins and Test Mode

No.

Old

New

I/O

Function

N.C.

ADDR0

(PD)

Address 0

Pinstrapping of AFE-X address for SCI access

N.C.

ADDR1

(PD)

Address 1

Pinstrapping of AFE-X address for SCI access

N.C.

ADDR2

(PD)

Address 2

Pinstrapping of AFE-X address for SCI access

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