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LG128642-BMDWH6V
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1.3 Terminal Functions
Pin No.
Symbol
Level
Function
1
VDD
+5V
Power supply for logic
2
VSS
0V
Ground
3
VO
-
Operating voltage for LCD (contrast adjusting)
4
DB0
H/L
Data bit0
5
DB1
H/L
Data bit1
6
DB2
H/L
Data bit2
7
DB3
H/L
Data bit3
8
DB4
H/L
Data bit4
9
DB5
H/L
Data bit5
10
DB6
H/L
Data bit6
11
DB7
H/L
Data bit7
12
/CS1
L
Chip selection for IC1, active
“L”
13
/CS2
L
Chip selection for IC2, active
“L”
14
/RST
L
Reset signal, active
“L”
15
R/W
H/L
Read/Write selection
H: Read operation
L: Write operation
16
RS
H/L
Register selection
H: Display data
L: Instruction code
17
E
H, H→L
Enable signal. Read data when E is
“H”, write
data at the falling edge of E
18
VOUT
-10V
Output voltage for LCD driving
19
LEDA
+5V
Power supply for LED backlight
20
LEDK
0V
Power supply for LED backlight
2. ABSOLUTE MAXIMUM RATINGS
Item
Symbol
Min.
Max.
Unit
Supply Voltage(Logic)
VDD-VSS
-0.3
7.0
V
Supply Voltage(LCD)
VDD-VO
-0.3
19.0
V
Input Voltage
VI
-0.3
VDD+0.3
V
Operating Temp.
Topr
-20
70
℃
Storage Temp.
Tstg
-30
80
℃