56
ViewSonic Corporation
Confidential - Do Not Copy
VX2255wmh-4
VX2255wmb-4
Model
Title
Date
Rev:
ViewSonic Corporation
SCALER
4
5
6
7
8
bead change register
follow mstar
add r123
F_WP
I2C_MDA
HDCP_WP
EEP_WP
I2C_MCL
SDO
SCK
7
SDI
4
SCZ
6
5
I2C_MCL
EEP_WP
I2C_MDA
F_WP
8
HDCP_WP
7
6
8
4
5
VCC3.3
VDDP_33
VDDC_18
VCC1.8
AVDD_18
AVDD_33
VCC3.3
AVDD_33
VCC5V
VDDP_33
AVDD_18
VDDC_18
VDDP_33
AVDD_33
VLCD
VCC3.3
VCC3.3
C
139
0.1/16V
C
161
0.1/16V
C
158
0.1/16V
R154
1K
C
145
0.1/16V
C
159
0.1/16V
R
141
10K
R
147
4K
7
C
130
0.1/16V
R
208
4K7
C
141
0.1/16V
U105
SST25VF010A
1
2
3
4
5
6
7
8
CS#
SO
WP#
GND
SI
SCK
HOLD#
VCC
FB102
60
Ω
C
143
0.1/16V
R
168
10
K
C
146
0.1/16V
C
135
0.1/16V
R
136
4K7
R
146/N
C
4K7
R
142
10
K
C
134
0.1/16V
R167
NC/0
R123
1K
R158
100
R
135
4K7
CN104
FFC-CON
1
2
3
4
6
8
10
12
14
16
18
20
22
24
26
28
30
7
9
11
13
15
17
19
21
23
25
27
29
5
C
127
0.1/16V
R
210
4K7
C152 22p/50V
R169
NC/0
R155
1K
R
148
4K7
R
137
4K
7
R
143
4K7
X1
14.31818MHz
R
209
4K7
R159
1K
R156
1K
C153 0.1/16V
C
132
0.1/16V
C148
1u/16V
C
144
0.1/16V
TSUMU058J
U104
28
25
26
23
27
24
22
32
33
7
31
30
41
43
42
44
51
80
128
127
81
82
83
84
85
86
91
92
93
94
95
96
97
98
99
100
79
78
77
1 11
9
10
12
13
8
15
16
18
19
17 29 52
104
87
37
103
112
34
35
5
6
118
14
107
36
73
119
120
121
123
124
117
116
115
38
39
108
3
4
53 74
40 59
72 88 101
76
75
102
109
126
114
111
110
20
90
89
122
2
113
56 55
57
61 64 70 67
21
106
105
47
46
48
50
49
45
68 69 63 62
60 65 66 71
125
54
58
RIN0P
GIN0P
SOGIN0
BIN0P
RIN0M
GIN0M
BIN0M
HSYNC0
VSYNC0
REXT
REFP
REFM
SDO
SCK
CSZ
SDI
GPIO_P24/PWM2
LVACKM
XIN
XOUT
LVA2P
LVA2M
LVA1P
LVA1M
LVA0P
LVA0M
LVB3P
LVB3M
LVBCKP
LVBCKM
LVB2P
LVB2M
LVB1P
LVB1M
LVB0P
LVB0M
LVACKP
LVA3M
LVA3P
GND GND
RX2P
RX2N
RX1P
RX1N
AVD
D
_33
RX0P
RX0N
RXCKP
RXCKN
GND GND GND
VDDC
VDDP
MODE
VCTRL
VDDP
DDCA_SDA/RS232_TX
DDCA_SCL/RS232_RX
DDCD_SDA
DDCD_SCL
NC
AVD
D
_33
VDDP
GPIO_P22/PWM1
GPIO_P04
GPIO_P00/SAR0
GPIO_P01/SAR1
GPIO_P02/SAR2
GPIO_P06
GPIO_P07
NC
NC
NC
I2C_MDA
I2C_MCL
RST
GPIO_P15
GPIO_P16
VDDC VDDC
VDDP VDDP
GND GND GND
LVA4M
LVA4P
BYPASS
GPIO_P25
VDDC
VDDP
NC
NC
AVD
D
_33
LVB4M
LVB4P
GPIO_P03/SAR3
GPIO_P14/PWM0
GND
NC NC
NC
NC NC NC NC
AVD
D
_18
GND
GND
GPIO45
GPIO46
GPIO44
GPIO42
GPIO43
GPIO47
GND GND GND GND
VDDP VDDP VDDP VDDP
GPIO_P13/PWM2
VDDP
VDDP
R164 4K7
R
149
4K7
C
131
0.1/16V
R162
100
R
138
4K7
R
144
4K7
+
C151
10u/25V
+
C
126
22u/25V
U202
AT24C04N
1
2
3
4
5
6
7
8
A0
A1
A2
GND
SDA
SCL
WP
VCC
R
150
4K7
R160
1K
C150 22p/50V
R170
0
U107
AT24C04N
1
2
3
4
5
6
7
8
A0
A1
A2
GND
SDA
SCL
WP
VCC
R163
390 1%
R157
100
C149
0.1/16V
R
151
4K
7
C
128
0.1/16V
C
133
0.1/16V
C
136
0.1/16V
C
140
0.1/16V
R161
100
C154
0.1/16V
C
160
0.1/16V
R
165
10
K
C
157
0.1/16V
C
137
0.1/16V
R153
1K
+
C
142
22u/25V
R166
NC/10K
R
152
4K7
C
138
0.1/16V
C
147
0.1/16V
C
129
0.1/16V
DDCA_SDA
3
VCC5V
SDA_DVI
3
B+
3
G+
3
R-
3
CLK+
3
G-
3
CLK-
3
R+
3
B-
3
HSYNC
3
VSYNC
3
SOG
3
GNDG
3
GNDR
3
RIN
3
GIN
3
GNDB
3
BIN
3
DDCA_SCL
3
AUTO
2
LED_A_C 2
LED_G_C 2
CCFL_Enable 2
DET_VGA 3
Brightness_PWM 2
Volume
2
WP_VGA 3
Mute
2
Panel_Enable 2
HP_CTRL 3
MENU
2
DET_DVI 3
LEFT
2
POWER
2
RIGHT
2
SCL_DVI
3
USB_C
5
Summary of Contents for VX2255wmb-4
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