Display Module. GDM12864B Datasheet


GDM12864B Module. Datasheet pdf. Equivalent


GDM12864B


Display Module
GDM12864B
Outline Dimension

XIAMEN OCULAR

128x64 D O TS

Block diagram
COM1~64 IC3

Feature
LCD PANEL
SEG1~64 SEG65~128

1. 128X64 dots graphic LCD module 2. Built-in controller (KS0108B) 3. 5.0V power supply 4. STN; 1/64 duty; LED BKL or EL BKL

V0 VDD VSS
IC1 IC2 IC4 5 8 3 5 8 3 8

Mechanical Data Item
Module dimension Viewing area

Standard
78.0x70.0 62.0x44.0 0.40x0.56 0.44x0.60

Unit
mm mm mm mm

VEE DB0~DB7 RST CS R/W E D/I A K

3 LED BKL

Dot size Dot pitch

Interface pin connections PIN NO 1 2 3 4 5 6 7 8 9 to 16 17 18 19 20 Symbol /CSA /CSB VSS VDD V0 D/I R/W E
DB0 to DB7

Absolute Maximum Rating Function Item Symbol
VDD-VSS VI

Standard
Min -0.3 -0.3 Typ --------------Max 5.5 VDD

Unit
V

Chip select for IC1 Chip select for IC2 GND +5V Constrast adjustment H/L Register select signal H/L Read/Write signal H/L Enable signal H/L Data bus line Reset signal Negative voltage output Power supply for BKL(4.2V) Power supply for BKL(GND)

Power supply Input voltage

Electronical characteristics
Item Input voltage Supply current Symbol VDD IDD Condition +5V Standard Min 4.7 Typ 5.0 Max 5.5 Unit V

VDD=5V -20ºC

------------------------------------------

8 -----9.8 9.5 9.3 -----4.2 360 -------

-------------------------4.5 -----------

mA

Recommended LCD vriving voltage VDD-V0 for normal temp version module

0 ºC 25ºC 50ºC 70ºC 25ºC 25ºC
VEL=110V AC 400Hz

V

RST VEE A K

LED...



GDM12864B
GDM12864B
Outline Dimension
XIAMEN OCULAR
128x64 DOTS
Block diagram
IC3
V0
VDD
VSS
VEE
DB0~DB7
RST
CS
R/W E D/I
A
K
8
3
IC4
COM1~64
LCD PANEL
SEG1~64
SEG65~128
IC1
58
3
IC2
58
3
LED BKL
Interface pin connections
PIN NO Symbol
Function
1 /CSA Chip select for IC1
2 /CSB Chip select for IC2
3 VSS GND
4 VDD +5V
5 V0 Constrast adjustment
6 D/I H/L Register select signal
7 R/W H/L Read/Write signal
8E
H/L Enable signal
9 to 16 DB0 to DB7 H/L Data bus line
17 RST Reset signal
18 VEE Negative voltage output
19 A Power supply for BKL(4.2V)
20 K Power supply for BKL(GND)
Feature
1. 128X64 dots graphic LCD module
2. Built-in controller (KS0108B)
3. 5.0V power supply
4. STN; 1/64 duty; LED BKL or EL BKL
Mechanical Data
Item
Standard
Module dimension
78.0x70.0
Viewing area
62.0x44.0
Dot size
0.40x0.56
Dot pitch
0.44x0.60
Unit
mm
mm
mm
mm
Absolute Maximum Rating
Item
Symbol
Standard
Min Typ
Power supply VDD-VSS -0.3
--------
Input voltage
VI
-0.3 --------
Max
5.5
VDD
Unit
V
Electronical characteristics
Item
Input voltage
Symbol
VDD
Condition
+5V
Standard
Min Typ Max
4.7 5.0 5.5
Unit
V
Supply current IDD VDD=5V ------
Recommended
LCD vriving voltage
for normal temp
VDD-V0
version module
-20ºC
0 ºC
25ºC
50ºC
------
-----
-----
-----
LED forward voltage VF
LED forward current IF
70ºC
25ºC
25ºC
------
------
------
EL power supply
current
IEL
VEL=110V
AC 400Hz
-----
8
------
9.8
9.5
9.3
------
4.2
360
-------
-----
------
-----
-----
-----
-----
4.5
------
------
mA
V
V
mA
mA
18
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