ViewSonic Corporation
Confidential - Do Not Copy
25
91
NC
Not connected
92
NC
Not connected
93
NC
Not connected
94
VDDP
O
Digital Output Power
95
GND
Ground
96
GND
Ground
97
VDDC
I
Digital Core Power
98
NC
Not connected
99
NC
Not connected
100
NC
Not connected
101
NC
Not connected
102
LVA3P
O
A-Link Positive LVDS Differential Data Output
103
LVA3M
O
A-Link Negative LVDS Differential Data Output
104
VDDP
O
Digital Output Power
105
GND
Ground
106
LVACKP
O
A-Link Positive LVDS Differential Clock Output
107
LVACKM
O
A-Link Negative LVDS Differential Clock Output
108
LVA2P
O
A-Link Positive LVDS Differential Data Output
109
LVA2M
O
A-Link Negative LVDS Differential Data Output
110
LVA1P
O
A-Link Positive LVDS Differential Data Output
111
LVA1M
O
A-Link Negative LVDS Differential Data Output
112
LVA0P
O
A-Link Positive LVDS Differential Data Output
113
LVA0M
O
A-Link Negative LVDS Differential Data Output
114
VDDP
O
Digital Output Power
115
GND
Ground
116
GND
Ground
117
VDDC
Digital Core Power
118
LVB3P
O
B-Link Positive LVDS Differential Data Output
119
LVB3M
O
B-Link Negative LVDS Differential Data Output
120
LVBCKP
O
B-Link Positive LVDS Differential Clock Output
121
LVBCKM
O
B-Link Negative LVDS Differential Clock Output
122
LVB2P
O
B-Link Positive LVDS Differential Data Output
123
LVB2M
O
B-Link Negative LVDS Differential Data Output
124
LVB1P
O
B-Link Positive LVDS Differential Data Output
125
LVB1M
O
B-Link Negative LVDS Differential Data Output
126
VDDP
O
Digital Output Power
127
GND
Ground
128
LVBOP
O
B-Link Positive LVDS Differential Data Output
7.4 U105 (Micro-controller: W78E65P-40)
Pin Symbol
I/O Description
1
P4.2/INT3
A bi-directional I/O port with alternate function.
2
P1,0/T2
O
Enable panel power on
3
P1.1/T2EX
O
Enable CCFL work
4
P1.2
I
VGA cable detection
5
P1.3/PWM0
O
provide alternated function of PWM Volume
6
P1.4/PWM1
O
provide alternated function of PWM Green LED lighting control
7
P1.5/PWM2
O
provide alternated function of PWM Orange LED lighting control
8
P1.6/PWM3
Function is the same as that of standard 8052
9
P1.7/PWM4
Function is the same as that of standard 8052
10
RST
I
Reset control pin
11
P3.0/RXD
SCL line of I2C for EDID, debug function
12
P4.3/INT2
PORT 4: A bi-directional I/O port with alternate function.
13
P3.1/TXD
SDA line of I2C for EDID, debug function
14
P3.2/INT0
I
Interrupt request control pin
15
P3.3/INT1
O
Shut Down Volume Mutestandard 8052.
16
P3.4/T0
O
SCL line of I2C communication with EEPROM
VA702-2_VA721-3_VA721b-3
Содержание VA702-2
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