Sharp FO-475TH - Manual (Page 56)

6 – 3
UX-258TH
FO-475TH
Modem block
3/6
1 2 6 4 3 5
BD
E
F
G
I
H
C
A
BD
E
F
G
I
H
C
A
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.
MAG
DG
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
DG
DG
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
DG
DG
DG
(1-6F)
Ω Ω
R131 150
XTLI
N.C.
N.C.
N.C.
N.C.
N.C.
14 7
R147
10