CS61318-IP datasheet(1/28 Pages) CIRRUS

部件名	CS61318-IP

功能描述	E1 LINE INTERFACE UNIT

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制造商	CIRRUS [Cirrus Logic]

网页	http://www.cirrus.com

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Preliminary Product Information

This document contains information for a new product.

Cirrus Logic reserves the right to modify this product without notice.

1

Copyright

P.O. Box 17847, Austin, Texas 78760

(512) 445 7222 FAX: (512) 445 7581

http://www.cirrus.com

CS61318

E1 Line Interface Unit

Features

s E1 Line Interface Unit

s No Crystal Needed for Jitter Attenuation

s Meets CTR-12/TBR-12 Jitter Tolerance and Attenu-

ation Requirements

s Meets ITU-T G.775 Requirements for LOS and AIS

s Meets the BS6450 Transmitter Short-Circuit

Requirements for E1 Applications

s AWG for User Programmable Pulse Shapes

s Line Quality Monitoring Function

s TX Driver High Impedance / Low Power Control

s AIS and LOS Monitoring

s Generation and Detection of Loop Up / Loop Down

Signaling

s Selectable HDB3 Encoding/Decoding

s Selectable Unipolar or Bipolar I/O

s Compliant with:

— ITU-T Recommendations: G.703, G.732, G.775, I.431

— ETSI ETS 300 011, 300 233, CTR 12, TBR 13

— TR-NET-00499

Description

The CS61318 is an E1 primary rate line interface unit.

This device combines the complete analog transmit and

receive circuitry for a single, full-duplex interface E1

rates. The device provides jitter attenuation compliant to

CTR12/TBR13 without requiring an external crystal. Al-

so, the CS61318 is pin and function compatible with the

Level One LXT318.

In addition to a basic hardware control mode, a host

mode is available that gives the user an enhanced func-

tionality via a serial microprocessor interface. The

extended features include custom pulse shape genera-

tion, AIS and LOS monitoring functions, signal strength

monitoring, and generation and detection of loop up and

loop down codes.

ORDERING INFORMATION

CS61318-IL

28-pin PLCC

CS61318-IP

28-pin PDIP

TCLK

TDATA/TPOS

UBS/TNEG

JASEL

RCLK

RDATA/RPOS

BPV/RNEG

INT/NLOOP

LOS

2

3

4

E

N

C

O

D

E

R

11

REMOTE

LOOPBACK

8

7

6

D

E

C

O

D

E

R

23

12

INBAND

NLOOP

& LOS

PROCESSOR

RECEIVE

CLOCK

GENERATOR

9

10

XTALIN

XTALOUT

5

21

221415

MODE

RV+

RGND TGND

TV+

JITTER

ATTEN

TIMING

& DATA

RECOVERY

LOS/

NLOOP

Clear

REGISTERS & CONTROL LOGIC

TAOS Enable

JITTER

ATTEN

TRANSMIT

TIMING &

CONTROL

PULSE

SHAPING

CIRCUITRY

ROM / RAM

LINE DRIVERS

SERIAL

PORT

LLOOP

Enable

LOCAL

LOOPBACK

(ANALOG)

EQUALIZER

CONTROL

SLICERS

& PEAK

DETECT

NOISE &

CROSSTALK

FILTERS

MAGNITUDE

EQUALIZER

AGC

13

16

28

26

27

24

25

18

19

20

1

TTIP

TRING

CLKE/TAOS

CS/RLOOP

SCLK/LLOOP

SDI/LBO1

SDO/LBO2

LATN

RTIP

RRING

MCLK

LOCAL

LOOPBACK

(DIGITAL)

DS441PP2

AUG ‘99

类似零件编号 - CS61318-IP

制造商	部件名	数据表	功能描述
Cirrus Logic	CS61310	515Kb / 30P	T1 INE INTERFACE UNIT
Cirrus Logic	CS61310-IL	515Kb / 30P	T1 INE INTERFACE UNIT

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类似说明 - CS61318-IP

制造商	部件名	数据表	功能描述
Intel Corporation	LXT381II	226Kb / 36P	Octal E1 Line Interface Unit
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Level One	LXT331	692Kb / 20P	Dual T1/E1 Line Interface Unit
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