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A
B
Modem block
6
5
A[4~0]
(1-5I)
4
D[7~0]
(1-6I)
3
MCS
(1-3H)
RD
(1-3I)
WR
(1-3I)
MIRQ
(1-6F)
C213
MDMRST
(1-5A)
2
R127
33K
1
A
B
C
D
+5V
R192
C191
68P
68P
R113
10K
64
RTS
78
CTS
79
TXD
82
DCLK
73
DCLKI
95
RXD
96
RLSD
A4
56
RS4
A3
57
RS3
A2
58
RS2
A1
59
RS1
A0
60
RS0
D7
8
D7
D6
9
D6
D5
10
D5
D4
11
D4
12
D3
D3
13
D2
D2
D1
14
D1
D0
15
D0
54
CS
55
READ
53
WRITE
52
IRQ
R136
270
70
68P
XCLK(12M)
71
DG
YCLK(6M)
67
PORI
65
EN85
R138
1000P
C125
0.01
R128
MAG
DG
DG
270
270x4
C128
C116
C115
68P
68P
68P
C
D
E
F
+5V
N.M.
C114
L103
HM601
C127
DG
L102
HM601
C137
N.M.
C124
1
1
C217
C218
DG
0.1
0.1
ADOUT
IC6
RAMPIN
R96DFXL-CID
TXOUT
DAOUT
SWGAIN0
SWGAIN1
R125
RA1
R126
120
X2
24.00014MHz
MAG
C113
C123
15P
R141
1000P
DG
DG
E
F
G
R155
3
46
+5VA
+5V
17
0VA
21
C3
0VA
C149
47/25
30
0.1
0VA
43
R137
0VA
0
47
0VA
35
R230
0
87
ADIN
98
DG
RCVO
MAG
37
RCVI
45
SIGRX
RXIN
49
C135
AOUT
0.1
18
R139
47.5K
48
AGD
AGD
41
N.C.
C126
C136
42
390P
N.C.
1
51
N.C.
MAG
SIGTX
44
88
DAIN 34
99
24
19
N.C.
20
N.C.
27
N.C.
28
N.C.
29
N.C.
31
N.C.
32
N.C.
33
N.C.
200
18P
G
H
I
3/6
6
5
4
(6-3A)
(6-3A)
(6-5A)
(6-5E)
3
2
1
H
I
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