6 – 3
UX-258TH
FO-475TH
Modem block 3/6
1
2
6
4
3
5
BDEFG
I
HCA
BDEFG
I
HCA
1
2
6
4
3
5
D7
A0
C127
0.01
R110
10
D6
D5
D4
D3
D2
D1
D0
A1
A2
A3
A4
1
2
3
4
5
RS4
RS3
RS2
RS1
RS0
7
D7
8
D6
9
D5
10
D4
11
D3
12
D2
13
D1
14
D0
52
CS
53
READ
15
WRITE
68
IRQ1
72
RESET
47
POR
DG
60
58
57
56
55
54
95
99
96
100
67
92
93
6
16
97
58
GPI7
GPI6
GPI5
GPI4
GPI3
GPI2
TXD
RTS
RXD
CTS
RLSD
DCLK
VDD1
DGND1
DGND5
C116
1
+5V
L101
0
AVDD
VAA1
VAA2
DGNDA1
DGNDA2
DGNDA3
25
AGND2
AGND
RIN
OH
TALK
VREF
35
45
21
30
43
C113
1
37
27
46
26
40
83
44
C3
47/25
R101
15
+5V
MAG
RIN
61
62
63
64
65
69
70
36
94
75
85
84
73
74
GP07
GP06
GP05
GP04
GP03
GP02
GP01
EN85
XCLK
EYEXY
EYECLK
EYESYNC
XTLO
VOLA
RCVOL
E-RELAY
(5-5F)
CNLIUB-3
CNLIUB-6
(6-2A)
R102
DG
X1
49.92MHz
C115
5P
R113
0
C114
5P
R263
470
SR1IO
IC1
R96V24
TXA1
TXA2
DG
(6-3A)
MPXA
LEDON
D[7~0]
RD
WR
(1-3I)
(1-3I)
(1-3I)
R100
MAG
DG
82
N.C.
N.C.
N.C.
TXA1
(6-4A)
YCLK
N.M.
DG
R103 270
R112
R109 270
R144 270
N.M.
(6-2H)
VOLB
MIRQ
(1-6F)
A[4~0]
MDMRST
(1-5A)
MCS
MAG
R115
33K
SLEEP
(6-2H)
78
IRQ2
N.C.
N.M.
R264
R265
N.M.
N.M.
MAGDG
R145 270
R111 270
R256
71
R104
GP00
(6-1H)
CNLIUB-5
VOLC
MPXC
C221
C220
C203
N.M.
DG
DG
DG
R142
10K
76
89
C101
1000P
L100
3.3µH
88
23
18
79
17
90
24
50
48
86
19
87
20
TMODE
RMODE
SR3IN
RXOUT
SR4OUT
TXDAT
IACLK
CLKIN
IAICLK
TSTROBE
SAICLK
TRESET
SPKR
SR4IN
SR3OUT
VC
39
C111
0.1
C2
10/16
C1
10/16
C100
0.1
MAG MAG
29
28
TXA2
(6-4A)
N.C.
N.C.
38
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
22,31
32,33
34,41
42,49
51,91
+5V
D101
1SS355
D100
1SS355
MAG
80
77
C117
0.1
C112
1
+5V
L102
0
DG
C110
0.1
C144
1
+5V
L105
0
DG
C126
0.1
+5V
R116
10K
RHS
RANK
CNLIUA-6
CNTH-6
R255
470
R122
470
C218
1000P
C196
100P
DGDG
10K
RA3
R266
10K
N.C.
N.C.
N.C.
+5V
R143
10K
98
66
81
GPI1
GPI0
VDD2
DGND2
VDD3
DGND3
DGND4
SYSCLK
+5V
L106
0
L103
68
C136
M.N.
C134
1
1,9,11,13
DG
IC3
HCU04
IC3
HCU04
R130
1M
X2
16MHz
C108
15P
C109
15P
R132
150
34
IC3
HCU04
56
L104
100
R129
0
C135
100P
DG
DGDG
DG
(1-6F)
Ω
Ω
R131
150
XTLI
N.C.
N.C.
N.C.
N.C.
N.C.
14
7
R147
10