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CDB61581 Datasheet, PDF (1/16 Pages) Cirrus Logic – Universal Line Interface Unit
CDB61581
Universal Line Interface Unit
Features
s Socketed CS61581 Universal Line Interface
s All Required Components for CS61581 Evaluation
s LED Status Indications for Alarm Conditions and
Operating Status
s Support for Hardware and Host Modes
Description
The evaluation board includes a socketed CS61581 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 Ω twisted-pair T1,
75 Ω coax E1, or 120 Ω twisted-pair E1 short and long
haul operations. Binding posts and bantam jacks are
provided for the line interface connections. Several
BNC connectors provide clock and data I/O at the sys-
tem interface. Reference timing may be derived from a
quartz crystal or an external reference clock. Four LED
indicators monitor device alarm conditions and operat-
ing status.
ORDERING INFO:
CDB61581
5V+ 0V
TCLK
TPOS
TNEG
RCLK
RPOS
RNEG
Hardware Control
and Mode Circuit
LED Status
Indicators
Serial Interface
Control Circuit
TTIP
TRING
RTIP
CS61581
XTALIN
RRING
MCLK
+5V
4.7 kΩ
XTL (optional)
XTALOUT
Preliminary Product Information
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
P.O. Box 17847, Austin, Texas 78760
(512) 445 7222 FAX: (512) 445 7581
http://www.cirrus.com
Copyright © Cirrus Logic, Inc. 1999
(All Rights Reserved)
OCT ‘99
DS211DB2
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