1.0 Pin Description
CX28331/CX28332/CX28333
1.1 Pin Assignments
Single/Dual/Triple E3/DS3/STS-1 Line Interface Unit
Figure 1-1. CX28331-1x Pin Diagram
VSS
NC
1
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
DVDDC
ENDECDIS
PD
2
NC
3
VDD
4
RLOOP
LLOOP
RNEG/RLCV
RPOS/RNRZ
RCLK
VDD
5
NC
6
NC
7
VSS
8
TVSS
TLINEP
TLINEN
TVDD
RVDD
RLINEP
RLINEN
RVSS
VSS
9
RLOS
10
11
12
13
14
15
16
17
18
19
20
TAIS
CX28331-1x
TCLK
TPOS/TNRZ
TNEG/NC
REFCLK
REQH
XOE
LBO
NC
E3MODE
NC
NC
VDD
DVSSC
100985_003
1-2
Conexant
100985A