LCD Module Specification
Model:
LG128642-BMDWH6V
Table of Contents
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COVER & CONTENTS
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1
BASIC SPECIFICATIONS
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2
ABSOLUTE MAXIMUM RATINGS
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3
ELECTRICAL CHARACTERISTICS
···············
4
OPERATING PRINCIPLES & METHODES
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7
DISPLAY CONTROL INSTRUCTIONS
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10
DISPLAY DATA RAM ADDRESS MAP
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13
CONNECTION WITH 8051 FAMILY MPU
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14
ELECTRO—OPTICAL CHARACTERISTICS
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15
DIMENSIONAL OUTLINE
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17
LCD MODULE NUMBERING SYSTEM
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18
PRECAUTIONS FOR USE OF LCD MODULE
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19
LG128642-BMDWH6V
-2-
1. BASIC SPECIFICATIONS
1.1 Features
Display Format
LCD Mode
: 128 X 64 Dots
: STN－Blue－Negative－Transmissive
1/64 Duty, 1/9 Bias
6:00
LED, white color
75.0(W) X 52.7(H) X 11.5(T)
60.0(W) X 32.6(H)
0.40 X 0.40
0.43 X 0.43
45
S6B0108 (KS0108B)
Driving Method
:
Viewing Direction :
Backlight
:
Outline Dimension :
Viewing Area
:
Dot Size
:
Dot Pitch
:
Weight
:
Controller
:
mm
mm
mm
mm
g
1.2 Block Diagram
S6B0107
or Eqv.
64 COM
LCD PANEL
128 x 64 dots
64 SEG
64 SEG
S6B0108
or Eqv.
V
DD
V
SS
V
O
V
OUT
Power
Circuit
To LSI
S6B0108
or Eqv.
DB0 DB7
RS, R/W, E, /RST
/CS1
/CS2
LEDA
LEDK
LED Backlight
LG128642-BMDWH6V
-3-
1.3 Terminal Functions
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Symbol
V
DD
V
SS
V
O
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
/CS1
/CS2
/RST
R/W
Level
+5V
0V
-
H/L
H/L
H/L
H/L
H/L
H/L
H/L
H/L
L
L
L
H/L
Function
Power supply for logic
Ground
Operating voltage for LCD (contrast adjusting)
Data bit0
Data bit1
Data bit2
Data bit3
Data bit4
Data bit5
Data bit6
Data bit7
Chip selection for IC1, active
“L”
Chip selection for IC2, active
“L”
Reset signal, active
“L”
Read/Write selection
H: Read operation L: Write operation
Register selection
16
RS
H/L
H: Display data
L: Instruction code
Enable signal. Read data when E is
“H”,
write
17
18
19
20
E
V
OUT
LEDA
LEDK
H, H→L
-10V
+5V
0V
data at the falling edge of E
Output voltage for LCD driving
Power supply for LED backlight
Power supply for LED backlight
2. ABSOLUTE MAXIMUM RATINGS
Item
Supply Voltage(Logic)
Supply Voltage(LCD)
Input Voltage
Operating Temp.
Storage Temp.
Symbol
V
DD
-V
SS
V
DD
-V
O
V
I
Topr
Tstg
Min.
-0.3
-0.3
-0.3
-20
-30
Max.
7.0
19.0
V
DD
+0.3
70
80
Unit
V
V
V
℃
℃
LG128642-BMDWH6V
-4-
3. ELECTRICAL CHARACTERISTICS
3.1 DC Characteristics
Item
Supply Voltage
(Logic)
Supply Voltage
(LCD Driving)
Input High Voltage
Input Low Voltage
Output High Voltage
Output Low Voltage
Supply Current
(Logic)
Symbol
V
DD
V
DD
-V
O
V
IH
V
IL
V
OH
V
OL
I
DD
I
OH=-0.2mA
I
OL=1.6mA
V
DD
=5.0V
Condition
Min.
4.5
--
2.0
0
2.4
0
--
(V
DD
=5.0V±10%, Ta=25
℃
)
Typ.
5.0
11.2
--
--
--
--
6.0
Max.
5.5
--
V
DD
0.8
V
DD
0.4
8.0
Unit
V
V
V
V
V
V
mA
3.2 Interface Timing Chart
Characteristic
E Cycle
E High Level Width
E Low Level Width
E Rise Time
E Fall Time
Address Set-Up Time
Address Hold Time
Data Set-Up Time
Data Delay Time
Data Hold Time(Write)
Data Hold Time(Read)
Symbol
Min.
1000
450
450
--
--
140
10
200
--
10
10
(V
DD
=5.0V±10%, Ta=25
℃
)
Typ.
--
--
--
--
--
--
--
--
--
--
--
Max.
--
--
--
25
25
--
--
--
320
--
--
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
t
C
t
WH
t
WL
t
R
t
F
t
ASU
t
AH
t
DSU
t
D
t
DHW
t
DHR
LG128642-BMDWH6V
-5-
t
C
t
WL
E
t
R
t
ASU
R/W
t
WH
t
F
t
AH
t
ASU
/CS1, /CS2
RS
t
AH
t
DSU
t
DSU
DB0~DB7
Fig.1 MPU Write Timing
t
C
t
WL
E
t
R
t
WH
t
F
R/W
t
ASU
t
ASU
/CS1, /CS2
RS
t
AH
t
AH
t
D
t
DHR
DB0~DB7
Fig.2 MPU Read Timing
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