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CS61310 Datasheet(PDF) 1 Page - Cirrus Logic

Part No. CS61310
Description  T1 INE INTERFACE UNIT
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Maker  CIRRUS [Cirrus Logic]
Homepage  http://www.cirrus.com
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Final Product Information
This document contains advanced information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
1
Copyright
© Cirrus Logic, Inc. 2003
(All Rights Reserved)
Cirrus Logic, Inc.
http://www.cirrus.com
DS440F1
FEB ‘03
CS61310
T1 Line Interface Unit
Features
Provides T1 line interface
No crystal needed for jitter attenuation
Greater than 14 dB of transmit return loss
Meets AT&T 62411 jitter tolerance and
attenuation requirements
Meets ANSI T1.231B requirements for LOS and
AIS
AWG for user programmable pulse shapes
TX driver high impedance / low power control
Generation and detection of loop up / loop down
signaling
Selectable unipolar or bipolar I/O
Compliant with:
— American National Standards (ANSI): T1.102, T1.105,
T1.403, T1.408, and T1.231
— FCC Rules and Regulations: Part 68 and Part 15
— AT&T Publication 62411
— TR-NET-00499
Description
The CS61310 is a T1 primary rate line interface unit. It
combines the complete analog transmit-and-receive cir-
cuitry for a single, full-duplex interface at T1 rates. The
device is pin- and function-compatible with the Level
One LXT310.
Enhanced functionality is available through an extended
register set, allowing custom pulse shape generation as
well as generation and detection of loop up and loop
down codes. The CS61310 features crystal-less jitter
attenuation.
ORDERING INFORMATION
CS61310-IL
28-pin PLCC
TCLK
TDATA/TPOS
UBS/TNEG
JASEL
RCLK
RDATA/RPOS
BPV/RNEG
INT/NLOOP
LOS
2
3
4
E
N
C
O
D
E
R
REMOTE
LOOPBACK
8
7
6
D
E
C
O
D
E
R
23
12
INBAND
NLOOP
&LOS
PROCESSOR
RECEIVE
CLOCK
GENERATOR
910
XTALIN
XTALOUT
5
21
221415
MODE
RV+
RGND TGND
TV+
JITTER
ATTEN
TIMING
&DATA
RECOVERY
LOS/
NLOOP
Clear
REGISTERS & CONTROL LOGIC
TAOS Enable
LBO Select
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)
11




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