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L50S(AUO)Technical Service Manual
PIN DESCRIPTION
Table I: CPU Interface
Pin Name
Pin Type
BUSTYPE
Schmitt Trigger Input w/ 5V-tolerant
HWRESETZ#
Schmitt Trigger Input w/ 5V-tolerant
WRZ#
I/O w/ 5V-tolerant
RDZ#/DVI_HS
I/O w/ 5V-tolerant
ALE
I/O w/ 5V-tolerant
AD [7]/DVI_VS
I/O w/ 5V-tolerant
AD [6]
I/O w/ 5V-tolerant
AD [5]
I/O w/ 5V-tolerant
AD [4]
I/O w/ 5V-tolerant
AD [3]
I/O w/ 5V-tolerant
AD [2]
I/O w/ 5V-tolerant
AD [1]
I/O w/ 5V-tolerant
AD [0]
I/O w/ 5V-tolerant
SDA
I/O w/ 5V-tolerant
SCL/DVI_VS
Input w/ 5V-tolerant
CSZ#/DVI_HS
Input w/ 5V-tolerant
INT
Output
Table II: ADC/ADC_PLL Interface
Pin Name
Pin Type
HSYNC
VSYNC
Schmitt Trigger Input w/ 5V-tolerant
REFM
REFP
RIN
SOGIN
GIN
BIN
Table III: LCD Interface
Pin Name
Pin Type
LCK_ODD
Output w/ Pull-down Resistor
LHSYNC
Output w/ Pull-down Resistor
LVSYNC
Output w/ Pull-down Resistor
LDE
Output w/ Pull-down Resistor
RA [7:2]
Output w/ Pull-down Resistor
RA [1:0
Output w/ Pull-down Resistor
GA [7:2]
Output w/ Pull-down Resistor
GA [1:0]
Output w/ Pull-down Resistor
BA [7:2]
Output w/ Pull-down Resistor
BA [1:0]
Output w/ Pull-down Resistor
RB [7:2]
I/O w/ Pull-down Resistor
RB [1:0]
I/O w/ Pull-down Resistor
GB [7:2]
I/O w/ Pull-down Resistor
Function
Bus Type
Hardware reset
8051 bus WRZ
8051 bus RDZ/ DVI HSYN
8051 bus WRZ
8051 bus AD [7] DVI VSYNC
8051 bus AD [6]
8051 bus AD [5]
8051 bus AD [4]
8051 bus AD [3]
8051 bus AD [2]
8051 bus AD [1]
8051 bus AD [0]
3 Wire Serial Bus Data
3 Wire Serial Bus Clock/DVI VSYNC
3 Wire Serial Bus Chip Select/ DVI HSYNC
CPU interrupt
Function
Analog HSYNC Input
Analog VSYNC Input
Internal ADC Bottom De-coupling Pin
Internal ADC Top De-coupling Pin
Analog Red Input
Syn On Green Input
Analog Green Input
Analog Blue Input
Function
LCD Output Clock
LCD HSYNC
LCD VSYNC
LCD Display Enable
Port A Red [7:2]
Port A Red[ 1:0]
Port A Green [7:2]
Port A Green [1:0]
Port A Blue [7:2]
Port A Blue [1:0]
Port B Red [7:2]
Port B Red [ 1:0]
Port B Green [7:2]
--23--
Driving
Pin
Strength (mA)
Number(s)
57
58
4 ~ 12
86
4 ~ 12
87
4 ~ 12
90
4 ~ 12
85
4 ~ 12
84
4 ~ 12
83
4 ~ 12
82
4 ~ 12
81
4 ~ 12
80
4 ~ 12
79
4 ~ 12
78
4
62
61
63
4
74
Driving
Pin
Strength (mA)
Number(s)
72
70
39
40
42
46
47
50
Driving
Pin
Strength (mA)
Number(s)
4 ~ 12
115
4 ~ 12
127
4 ~ 12
126
4 ~ 12
112
4 ~ 12
7-12
13-14
4 ~ 12
19-24
4 ~ 12
25-26
4 ~ 12
29-34
4 ~ 12
35-36
4 ~ 12
93-98
4 ~ 12
99-100
4 ~ 12
103-108
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