PEF3452 datasheet(21/71 Pages) INFINEON

부품명	PEF3452

상세설명	Line Interface Unit for DS3, STS 1 and E3

PDF	71 Pages

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제조업체	INFINEON [Infineon Technologies AG]

홈페이지	http://www.infineon.com

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21 / 71 page

PEF 3452

TE3-LIU V1.3

Pin Descriptions

Preliminary Data Sheet

2001-12-05

PRELIMINARY

Table 2

Control Pin Functions

Pin No.

Symbol

Input (I)

Output (O)

Supply (S)

Function

RES

Hardware Reset

A low signal at this pin forces the device

into reset state.

I + PU

Chip Select

0 = hardware control signals are switched

through

1 = hardware control signals are ignored

5DS3/E3

I + PU

DS3/STS-1 or E3 Select

Primary mode selection. This signal has to

be stable during reset and may not change

afterwards. It must not be connected to a

µPbus.

0 = E3

1 = DS3 or STS-1 (see DS3/STS-1)

4DS3/STS-1

I + PU

DS3 or STS-1 Select

Primary mode selection. This signal has to

be stable during reset and may not change

afterwards. It must not be connected to a

µPbus.

0 = STS-1

1 = DS3

LCODE

I + PU

Line Code Select

for receive and transmit direction

E3:

0 = AMI

1 = HDB3

DS3/STS-1:

0 = AMI

1 = B3ZS

XAIS

I + PU

Transmit Alarm Indication

0 = no AIS

1 = AIS all-ones insertion

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