Appendix B
CX28331/CX28332/CX28333
B.1 Evaluation Module Schematic
Single/Dual/Triple E3/DS3/STS-1 Line Interface Unit
Figure B-1. Recommended Schematic for the CX2833i-1x Device
7
6
5
4
3
2
1
8
9
1 0
1 1
1 2
1 3
1 4
7
6
5
4
3
2
1
8
9
S W 2
1 0
1 1
1 2
1 3
1 4
S W 3
7
6
5
4
3
2
1
8
9
1 0
1 1
1 2
1 3
1 4
S W 1
6
5
4
3
2
1
7
8
9
1 0
1 1
1 2
S W 5
I S A 1 T / T M U X A 2
A T I S 3 / T M U X A 4
4 0
6 1
6 2
6 3
6 4
6 5
6 6
6 7
6 8
6 9
7 0
7 1
7 2
7 3
7 4
7 5
7 6
7 7
7 8
7 9
8 0
T C L K 1
T C L K 3
3 9
T P O S 1 / T N R Z 1
T P O S 3 / T N R Z 3
3 8
T N E G 1 / N C 1
R E F C L K 1
R L O S 1
T N E G 3 / N C 3
3 7
R E F C L K 3
3 6
R L O S 3
3 5
R C L K 1
R C L K 3
3 4
R P O S 1 / R N R Z 1
R N E G 1 / R L C V 1
R E Q H 1 / T M U X D
R P O S 3 / R N R Z 3
3 3
R N E G 3 / R L C V 3
3 2
T A
R E Q H 3 / T M U X A 1
3 1
X O E 1
X O E 3
3 0
L B O 1
V D D 2
L B O 3
2 9
V D S S 2
2 8
L L O O P 1
R L O O P 1
P D B 1
L L O O P 3
2 7
R L O O P 3
2 6
P D B 3
2 5
V R S S 3
2 4
T M U X I O 2
T M U X I O 1
R L I N E 3 M
2 3
G
V G
R L I N E 3 P
2 2
V R D D 3
2 1
R B I A S
100985_017
B-2
Conexant
100985A