GENERAL SPECIFICATION
128× 64 dots display
SAM SUNG LCD driver: SBN6400G and SBN0064G
Interface with 8-bit MPU (directly connected to M6800serial MPU)
Display specification
Display dot: 128× 64
Display type: STN
Display color-Display background color: Black-Yellow Green
Polarizer mode: Positive; Transflective
Viewing angle: 6: 00
Display RAM: 8192 bits
Mechanical characteristics (Unit: Mm)
External dimension: 93.0× 70.0× 12.5
View area: 72.0X40.0
Dot size: 0.48X0.48
Dot pitch: 0.52X0.52
Weight:
POWER: +5V
PRECAUTION FOR USING LCM
1. LIQUID CRYSTAL DISPLAY (LCD)
LCD is made up of glass, organic sealant, organic fluid, and polymer based polarizers. The following precautions should be taken when handing,
(1). Keep the temperature within range of use and storage. Excessive temperature and humidity could cause polarization degradation, polarizer peel off or bubble.
(2). Do not contact the exposed polarizers with anything harder than an HB pencil lead. To clean dust off the display surface. Wipe gently with cotton. Chamois or other soft material soaked in petroleum benzine.
(3). Wipe off saliva or water drops immediately. Contact with water over a long period of time may cause polarizer deformation or color fading, while an active LCD with water condensation on its surface will cause corrosion of ITO electrodes.
(4). Glass can be easily chipped or cracked from rough handing. Especially at corners and edges.
(5). Do not drive LCD with DC voltage.
2. Liquid Crystal Display Modules
2.1 Mechanical Considerations
LCM are assembled and adjusted with a high degree of precision. Avoid excessive shocks and do not make any alterations or modifications. The following should be noted.
(1). Do not tamper in any way with the tabs on the tabs on the metal frame.
(2). Do not modify the PCB by drilling extra holes, changing its outline, moving its components or modifying its pattern.
(3). Do not touch the elastomer connector, especially insert an backlight panel (for example, EL).
(4). When mounting a LCM make sure that the PCB is not under any tress such as bending or twisting. Elastomer contacts are very delicate and missing pixels could result from slight dislocation of any of the elements.
(5). Avoid pressing on the metal bezel, otherwise the elastomer connector could be deformed and lose contact, resulting in missing pie ls.
2.2. Static Electricity
LCM contains CMOS LSI's and the same precaution for such devices should apply, namely
(1). The operator should be grounded whenever he/she comes into contact with the module. Never touch any of the conductive parts such as the LSI pads, the copper leads on the PCB and the interface terminals with any parts of the human body.
(2). The modules should be kept in antistatic bags or other containers resistant to static for storage.
(3). Only properly grounded soldering irons should be used.
(4). If an electric screwdriver is used, it should be well grounded and shielded from commutator sparks.
(5). The normal static prevention measures should be observed for work clothes and working benches; For the latter conductive ( rubber) mat is recommended.
(6). Since dry air is inductive to static, a relative humidity of 50-60% is recommended.
| Instruction |
RS |
R/W |
DB7 |
DB6 |
DB5 |
DB4 |
DB3 |
DB2 |
DB1 |
DB0 |
Function |
Display
ON/OFF |
L |
L |
L |
L |
H |
H |
H |
H |
H |
L/H |
Controls the display on or off. Internal status and display RAM data is not affected.
L:OFF, H:ON |
Set address
(Y address) |
L |
L |
L |
H |
Y address(0~63) |
Sets the Y address in the Y address counter |
Set page
(X address) |
L |
L |
H |
L |
H |
H |
H |
Page(0~7) |
Sets the Y address at the X address register. |
Display
Start Line
(Z address) |
L |
L |
H |
H |
Display start line(0~63) |
Indicates the display data RAM displayed at the top of the screen. |
| Status Read |
L |
H |
B
U
S
Y |
L |
O
N
/
O
F
F |
R
E
S
E
T |
L |
L |
L |
L |
BUSY L: Ready
H: In operation
ON/OFF L: Display OFF
RESET L: Normal
H: Reset |
Write Display
Data |
H |
L |
Write Data |
Writes data (DB0:7)into
Display data RAM, After writing instruction, Y address is increased by 1 automatically. |
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