CS61583 datasheet(9/44 Pages) CIRRUS

9 / 44 page

OVERVIEW

The CS61583 is a dual line interface for T1/E1

applications, designed for high-volume cards

where low power and high density are required.

One board design can support all T1/E1 short-

haul modes by only changing component values

in the receive and transmit paths (if REFCLK

and TCLK are externally tied together). Figure 5

illustrates applications of the CS61583 in various

environments.

All control of the device is achieved via external

pins, eliminating the need for microprocessor

support. The following pin control options are

available on a per channel basis: line length se-

lection, coder mode, jitter attenuator location,

transmit all ones, local loopback, and remote

loopback.

The line driver generates waveforms compatible

with E1 (CCITT G.703), T1 short haul (DSX-1),

and T1 FCC Part 68 Option A (DS1). A single

transformer turns ratio is used for all waveform

types. The driver internally matches the imped-

ance of the load, providing excellent return loss

to insure superior T1/E1 pulse quality. An addi-

A SYNCHR O N OU S MU X APPLICAT IO N

(i.e., VT1.5 card for SO NET or SD H m ux)

SYN CHR O N OU S A PPLICATIO N

(Including 62411 system s w ith m ultiple T1 lines)

TTIP

TP O S

TNE G

RNE G

TR IN G

RP O S

RR IN G

RT IP

C S 62180B

FR AM ER

JIT TE R

AT TE N U AT OR

C S 61583

LIN E D R IV ER

L INE R E CE IV E R

RE C E IVE

C IRCU IT RY

TR A N S M IT

C IRCU IT RY

RC L K

TC LK

RE FC L K

TTIP

TD A TA

RD A TA

TR IN G

LIN E D R IV ER

AM I

B8ZS ,

HD B 3 ,

CO D E R

RR IN G

RTIP

MU X

C S 61583

JITTE R

A TTE NU A T O R

RE F C L K

RCLK

TC L K

(ga pped )

TTIP

TP O S

TN E G

RNEG

TR IN G

RP O S

RR IN G

RT IP

C S 62180B

FR AM ER

JIT TE R

AT TE N U AT OR

C S 61583

LIN E D R IV ER

LINE RE CE IV ER

RC L K

TC LK

RE F C LK

AIS

D E TE CT

L IN E RE CE IV E R

RE C E IVE

C IRCU IT RY

TR A N S M IT

C IRCU IT RY

RE C E IVE

C IRCU IT RY

TR A N S M IT

C IRCU IT RY

LO O P TIM E D AP P L ICATIO N

Figure 5. Examples of CS61583 Applications

CS61583

DS172PP5

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