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FO-1850TH
CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS LAYOUT
R160
220
D0
R161
220
D1
R162
220
D2
R136
220
D3
R135
220
D4
R134
220
D5
R133
220
D6
R132
220
D7
R187
L108
270
Z2139
(7-4A)
SYSCLK
(3-2G)
MIRQ
R281
(3-3B)
10K
R192
10K
R191
R195
C131
10K
10K
1000P
+5V
144
D0
143
D1
142
D2
141
D3
139
D4
138
D5
137
D6
136
D7
130
TSTCLK
133
SYSCLK
135
MIRQ
131
RESET
129
DEBUG
58
TEST
7, 134
132
95, 108
64, 88
53, 56
45
28
21
VSS
14
32
41
48
81
102
123
140
VDD
72
ADGD
69
ADGA
71
ADVD
70
ADVA
6 – 1
61
BATRST
C2
4.7/25
63
VBT
VBAT
C148
2200P
RESET
62
(5-1D)
PWRDWN
60
XOUT
59
XIN
68
+VREF
(4-3H)
+VREF
66
–VREF
–VREF
(4-3H)
67
VIN
VIN
(4-4H)
65
THADI
THADI
(5-5H)
119
BZOUT
TONE
(6-5H)
(6-2H)
106
TPB
R177
SM0
(4-5A)
270
105
R174
TPA
SM1
(4-5A)
270
104
TPB
R179
SM2
(4-5A)
270
103
R169
TPA
SM3
(4-5A)
270
118
SPMUTEI
R358
GPO0
(1-1G)
270
117
R357
MPXC
GPO1
(6-1H)
270
116
MPXB
R356
GPO2
(6-4B)
270
115
MPXA
R355
GPO3
CNLIUB-10
N.M.
107
NC
114
VDRAM
+5V
C112
1000P
C111
1000P
C110
1000P
C109
1000P
R328
KEN1A
52
R189
OPI0
CNPN-4
51
R327
KEN2A
R186
OPI1
CNPN-3
KEN3A
50
R326
R185
OPI2
CNPN-2
49
R325
KEN4A
R188
OPI3
CNPN-1
10K x 4
55
270 x 4
LEDCTL
NC
E
54
R324
LCDCS
CNPN-11
Z2139
47
SEN0
R112
OPO0
CNPN-16
Z2134
46
R113
SEN1
OPO1
CNPN-15
Z2134
44
SEN2
R114
OPO2
CNPN-14
Z2134
SEN3
43
R115
OPO3
CNPN-13
Z2134
42
R116
SEN4
OPO4
CNPN-12
Z2134
40
SEN5
R117
OPO5
CNPN-8
Z2134
39
OPO6
NC
38
OPO7
NC
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