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PDF GDM1602B Data sheet ( Hoja de datos )
| Número de pieza | GDM1602B | |
| Descripción | LCD MODULE | |
| Fabricantes | XIAMEN OCULAR | |
| Logotipo |  |
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GDM1602B
GDM1602B
Features
1. 5x8 dots
2. Built-in controller (S6A0069or equivalent)
3. +5V power supply (also available for =3.0V)
4. 1/16 duty cycle
5. Easy interface with 4-bit or 8-bit MPU
6. BKL to be driven by pin1, pin2, or pin15, pin16 or A, K
7. 16x2 characters
Outline dimension
SPECIFICATIONS OF
LCD MODULE
Absolute maximum ratings
Item
Symbol
Power voltage
VDD-VSS
Input voltage
VIN
Operating temperature range
Top
Storage temperature range
Tst
*Wide temperature range is available
(operating/storage temperature as –20~+70/-30~+80℃)
Standard
-0.3 - 7.0
-0.3 - VDD+0.3
0 - +50
-10 - +60
Unit
V
℃
Ver:A
1 2006.12.6
www.DataSheet.in
1 page  
GDM1602B
Instruction Table
Instruction code
Instruction
RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
Description
Clear
Display
0
Return
Home
0
Entry mode
Set
Display ON/
OFF control
0
0
Cursor or
Display shift
0
Function set 0
Set CGRAM
Address
Set DDRAM
Address
Read busy
Flag and
Address
Write data to
Address
Read data
From RAM
0
0
0
1
1
Write “20H” to DDRA and set
0 0 0 0 0 0 0 0 1 DDRAM address to “00H” from
AC
Set DDRAM address to “00H”
From AC and return cursor to
0 0 0 0 0 0 0 1 - Its original position if shifted.
The contents of DDRAM are not
changed.
Assign cursor moving direction
0 0 0 0 0 0 1 I/D SH And blinking of entire display
Set display (D), cursor (C), and
0 0 0 0 0 1 D C B Blinking of cursor (B) on/off
Control bit.
Set cursor moving and display
0
0
0
0
1 S/C R/L -
-
Shift control bit, and the
Direction, without changing of
DDRAM data.
Set interface data length (DL: 8-
0
0
0
1 DL N F
-
-
Bit/4-bit), numbers of display
Line (N: =2-line/1-line) and,
Display font type (F: 5x11/5x8)
Set CGRAM address in address
0 0 1 AC5 AC4 AC3 AC2 AC1 AC0 Counter.
Set DDRAM address in address
0 1 AC6 AC5 AC4 AC3 AC2 AC1 AC0 Counter.
Whether during internal
1
BF
AC6 AC5
AC4 AC3 AC2
AC1
AC0
Operation or not can be known
By reading BF. The contents of
Address counter can also be read.
Write data into internal RAM
0 D7 D6 D5 D4 D3 D2 D1 D0 (DDRAM/CGRAM).
Read data from internal RAM
1 D7 D6 D5 D4 D3 D2 D1 D0 (DDRAM/CGRAM).
Execution
time (fosc=
270 KHZ
1.53ms
1.53ms
39us
39us
39us
39us
39us
0us
43us
43us
NOTE:
When an MPU program with checking the busy flag (DB7) is made, it must be necessary 1/2fosc is
necessary for executing the next instruction by the falling edge of the “E” signal after the busy flag (DB7)
goes to “Low”.
Contents
1) Clear display
RS R/W DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
0 0 0 0 0 0 0 0 01
Clear all the display data by writing “20H” (space code) to all DDRAM address, and set DDRAM
address to “00H” into AC (address counter).
Return cursor to the original status, namely, bring the cursor to the left edge on the fist line of the
display.
Make the entry mode increment (I/D=“High”).
Ver:A
5 2006.12.6
www.DataSheet.in
5 Page 
GDM1602B
- Water
- Ketone
- Aromatic solvents
(7) Exercise care to minimize corrosion of the electrode. Corrosion of the electrodes is accelerated by water droplets,
moisture condensation or a current flow in a high-humidity environment.
(8) Install the LCD Module by using the mounting holes. When mounting the LCD module make sure it is free of
twisting, warping and distortion. In particular, do not forcibly pull or bend the IO cable or the backlight cable.
(9) Do not attempt to disassemble or process the LCD module.
(10) NC terminal should be open. Do not connect anything.
(11) If the logic circuit power is off, do not apply the input signals.
(12) To prevent destruction of the elements by static electricity, be careful to maintain an optimum work
environment.
- Be sure to ground the body when handling the LCD modules.
- Tools required for assembling, such as soldering irons, must be properly grounded.
- To reduce the amount of static electricity generated, do not conduct assembling and other work under dry
conditions.
- The LCD module is coated with a film to protect the display surface. Exercise care when peeling off this protective
film since static electricity may be generated.
Installing Precautions
The hole in the printed circuit board is used to fix LCM as shown in the picture below. Attend to the following items
when installing the LCM.
(1) Cover the surface with a transparent protective plate to protect the polarizer and LC cell.
(2) When assembling the LCM into other equipment, the spacer to the bit between the LCM and the fitting plate
should have enough height to avoid causing stress to the module surface, refer to the individual specifications for
measurements. The measurement tolerance should be 0.1mm.
Storage Precautions
In case of storing for a long period of time for the purpose of replacement use, the following ways are recommended.
(1) Storage in a polyethylene bag with the opening sealed so as not to enter fresh air outside in it, and with no
desiccant.
(2) Placing in a dark place where neither exposure to direct sunlight nor light is, keeping temperature in the range
Ver:A
11 2006.12.6
www.DataSheet.in
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet GDM1602B.PDF ] | |
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