CD2231

Manufacturer Part NumberCD2231
DescriptionCD2231 Intelligent Two-channel Lan And Wan Communications Controller
ManufacturerIntel Corporation
CD2231 datasheet
 


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
Page 21
22
Page 22
23
Page 23
24
Page 24
25
Page 25
26
Page 26
27
Page 27
28
Page 28
29
Page 29
30
Page 30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
Page 25/178

Download datasheet (3Mb)Embed
PrevNext
Intelligent Two-Channel LAN and WAN Communications Controller — CD2231
4.2.2
Option Registers
Channel Mode Register (CMR)
RxMode
TxMode
Channel Option Register 1 (COR1)
HDLC Mode
AFLO
ClrDet
Asynchronous Mode
Parity
ParM1
Channel Option Register 2 (COR2)
Asynchronous / Async-HDLC / PPP Mode
IXM
TxlBE
HDLC Mode
0
FCSApd
MNP4/SLIP Mode
0
0
Channel Option Register 3 (COR3)
Async-HDLC/PPP Mode
Stop2
FCSApd
MNP4 Mode
Stop2
FCSApd
HDLC Mode
sndpad
Alt1
Datasheet
0
0
0
AdMde1
AdMde0
Flag3
ParM0
Ignore
Chl3
0
0
RLM
0
CRCNinv
0
0
0
RLM
RxChk
TxGen
npad3
RxChk
TxGen
npad3
FCSPre
FCS
idle
18
1B
B
R/W
chmd2
chmd1
chmd0
13
10
B
R/W
Flag2
Flag1
Flag0
Chl2
Chl1
Chl0
14
17
B
R/W
RtsAO
CtsAE
DsrAE
RtsAO
CtsAE
DsrAE
RtsAO
CtsAE
DsrAE
15
16
B
R/W
npad2
npad1
npad0
npad2
npad1
npad0
npad2
npad1
npad0
25