CS61304A-IP1 Cirrus Logic, Inc., CS61304A-IP1 Datasheet - Page 27
![no-image](/images/manufacturer_photos/0/1/142/cirrus_logic__inc__sml.jpg)
CS61304A-IP1
Manufacturer Part Number
CS61304A-IP1
Description
T1/E1 line interface
Manufacturer
Cirrus Logic, Inc.
Datasheet
1.CS61304A-IP1.pdf
(44 pages)
- Current page: 27 of 44
- Download datasheet (617Kb)
APPLICATIONS
Line Interface
Figures A1-A3 show typical T1 and E1 line inter-
face application circuits. Table A1 shows the
external components which are specific to each
application. Figure A1 illustrates a T1 interface in
DS156PP2
Frequency
1.544 (T1) CXT6176
2.048 (E1) CXT8192
MHz
Encoder/
Decoder
Monitor
Control
Format
Frame
&
Crystal
XTL
XTL
RV+
+
28
12
11
10
1
5
7
6
8
3
4
2
9
68
RGND
Cable
100
120
75
CLKE
ACLKI
LOS
DPM
MODE
RPOS
RNEG
RCLK
TPOS
TNEG
TCLK
XTALIN
XTALOUT
F
Figure A1. T1 Host Mode Configuration
Table A1. External Component Values
0.1
R1 and R2 LEN2/1/0
CS61304A
200
240
150
F
RGND
+5V
RV+
MODE
HOST
21
IN
22
TV+
TGND
0/1/1 - 1/1/1
15
14
0/0/0
0/0/0
0/0/1
0/0/1
0/0/0
0/0/0
0/0/1
0/0/1
MRING
RRING
TRING
SCLK
MTIP
RTIP
the Host Mode. Figure A2 illustrates a 120
interface in the Hardware Mode. Figure A3 illus-
trates a 75
Hardware Mode.
+
SDO
TTIP
SDI
INT
CS
1.0
TGND
F
27
26
23
24
25
19
20
17
18
16
13
Transformer
Transmit
+5V
1:1.15
1:1.26
1:2.3
1:2
1:2
1:1
1:2
1:1
1:2
1:1
1:2
0.47
100 k
R1
R2
Serial
F
R3
R4
Port
1
3
5
PE-65351
E1 interface in the Extended
P
2CT:1
R3 and R4
2
6
PE-65388
1:1.15
14.3
9.4
9.4
8.7
9.4
15
10
0
0
0
0
2
6
RECEIVE
LINE
1
5
TRANSMIT
LINE
Return Loss dB
Typical TX
CS61304A
0.5
0.5
0.5
0.5
20
28
12
30
24
12
5
E1
27
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