1.0 Product Description
CX28394/28395/28398
1.2 Pin Assignments
Quad/x16/Octal—T1/E1/J1 Framers
Figure 1-2. CX28394 128-pin TQFP Pinout Diagram
102
101
100
99
SERDI
TNEGO[4]
/
MSYNCO[4]
TCKI[4]
RCKI[4]
RPOSI[4]
RNEGI[4]
EIACKI
VSS
1
2
3
4
5
SERDO
SERCKO
TINDO[1]
XMTR3
/
RCVR3
XMTR2
/
RCVR2
XMTR1
/
RCVR1
SERIO
/
TDLCKO[1]
TDLI[1]
TSBCKI
TMSYNC[1]
XMTR4
CLKs
/ RCVR4
98
TSIGI[1] /
TSBCKI[1]
TFSYNC[1]
/
97
96
95
6
7
8
/
TPCMI[1]
RINDO[1]
RSIGO[1]
/
TSIGI[1]
T1ACKI
VSS
/
RDLCKO[1]
RDLO[1]
94
93
92
91
90
9
10
11
12
13
/
SYSCKI
VSS
SIGFRZ[1]
RSBCKI[1]
RFSYNC[1]
RPCMO[1]
VSS
/
RSBCKI
VDD
/
RMSYNC[1]
RSIGO[1]
RPCMO[4]
/
RSIGO[4]
RMSYNC[4]
RFSYNC
SIGFRZ[4]
RDLO[4]
RDLCKO[4]
TPCMI[4] TSIGI[4]
TFSYNC[4] TMSYNC[4]
TSBCKI[4] TFSYNC
TSIGI[4] TDLI[4]
/
89
88
87
RFSYNC[4]
/
14
15
16
RSBCKI[4]
/
VDD
VSS
86
85
84
83
82
CX28394
RSIGO[4]
/
17
18
19
20
21
TINDO[2]
/
TDLCKO[2]
TDLI[2]
TPCMI
TMSYNC[2]
RINDO[4]
/
TSIGI[2]
/
/
TSBCKI[2]
TFSYNC[2]
/
/
/
/
TPCMI[2]
RINDO[2]
RSIGO[2]
/
TSIGI[2]
81
80
79
/
22
23
24
/
RDLCKO[2]
RDLO[2]
TINDO[4]
/
TDLCKO[4]
VDD
/
SIGFRZ[2]
RSBCKI[2]
RFSYNC[2]
78
77
76
75
74
RPCMO[3]/RSIGO[3]
RFSYNC[3] RMSYNC[3]
RSBCKI[3] RINDO
SIGFRZ[3]
RDLO[3]
RDLCKO[3]
TPCMI[3] TSIGI[3]
TFSYNC[3] TMSYNC[3]
25
26
27
28
29
/
RPCMO
/
/
RMSYNC[2]
/
RPCMO[2]
AD[0]
/ RSIGO[2]
RSIGO[3]
RINDO[3]
/
73
72
71
AD[1]
AD[2]
/
30
31
32
/
AD[3]
AD[4]
AD[5]
AD[6]
AD[7]
VSS
/
70
69
68
67
66
65
TSBCKI[3]
TSIGI[3]
/
TINDO
TDLI[3]
33
34
35
36
37
/
TINDO[3]
/
TDLCKO[3]
VGG
MPU
JTAG
VSS
A[0]
TRST*
38
1-4
Conexant
100054E
CONEXANT [ CONEXANT SYSTEMS, INC ]
