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Cirrus Logic CDB61584A User Manual

Dual line interface unit, Features, Description

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Copyright

Cirrus Logic, Inc. 1998

(All Rights Reserved)

CDB61584A

Product Databook

Dual Line

Interface Unit

FEATURES

Socketed CS61584A Dual Line Interface

All Required Components for CS61584A
Evaluation

Locations to Evaluate Protection Circuitry

LED Status Indications for Alarm Conditions

Support for Hardware and Host Modes

DESCRIPTION

The evaluation board includes a socketed CS61584A
dual line interface device and all support components
necessary for evaluation. The board is powered by an
external +5 Volt supply.

The board may be configured for 100

twisted-pair T1,

75

coax E1, or 120

twisted-pair E1 operation. Bind-

ing posts and bantam jacks are provided for line
interface connections. Several BNC connectors provide
clock and data I/O at the system interface. Reference
timing may be derived from a quartz crystal, crystal os-
cillator, or an external reference clock. Four LED
indicators monitor device alarm conditions.

ORDERING INFORMATION:

CDB61584A

Oscillator

Circuit

TTIP1

TRING1

RTIP1

RRING1

TTIP2

TRING2

RTIP2

RRING2

CHANNEL 1

CHANNEL 2

5V+ 0V

TCLK1

TPOS1

(TDATA1)

TNEG1

RCLK1

RPOS1

(RDATA1)

RNEG1

(BPV1)

CHANNEL 1

RESET

CIRCUIT

V+

TCLK2

TPOS2

(TDATA2)

TNEG2

RCLK2

RPOS2

(RDATA2)

RNEG2

(BPV2)

CHANNEL 2

Hardware Control

and Mode Circuit

LED Status

Indicators

Serial Interface

Control Circuit

CS61584A

XTL

REFCLK

DS261DB2 MAR ‘98