Display Module
Description
GDM2002G
Outline Dimension
XIAMEN OCULAR
GDM1602A
LED BKL
Display Pattern EL BKL/ or without BKL
Feature 1.
5X8 dots with cursor 2.
Built-in controller (KS0066U or Equivalent) 3.
+5V power supply(Also available for +3.
0V) 4.
1/8 duty cycle 5.
BKL to be driven by pin1 or pin15,pin16 or A,K 6.
N.
V.
optional Interface pin connections PIN NO 1 2 3 4 5 Symbol VSS VDD V0 RS R/W E DB0 H/L Register select signal H/L Read/Write signal H/L Enable signal Power supply Function
Mechanical Data Item
Module dimension Viewing area Dot size Character size
Standard
80.
0x36.
0 64.
5x16.
4 0.
46x0.
53 2.
492x4.
618
Unit
mm mm mm mm
Absolute Maximum Rating Item
Power supply Input voltage
Symbol
VDD-VSS VI
Standard
Min -0.
3 -0.
3 Typ --------------Max 7.
0 VDD+0.
3
Unit
V
Item Input voltage Supply current
Symbol VDD IDD
Condition +5V +3.
3V VDD=5V -20ºC
Standard Min 4.
5 2.
7 ----------4.
7 4.
3 4.
1 -------------------Typ 5.
0 3.
0 1.
5 -----4.
7 4.
5 4.
3 ------4.
2 300 ------Max 5.
5 5.
3 3.
0 -----5.
0 4.
7 4.
5 -----4.
6 -----------
Unit V V mA
w
w
6
w
8 9 10 11 12 13 14 15 16
7
.
D
DB1 DB2 DB3
Recommended LCD driving voltage VDD-V0 for normal temp version module
0 ºC 25ºC 50ºC 70ºC 25ºC VF=4.
2V
VEL=110V AC 400Hz
V
DB4
DB5 DB6 DB7
at aS
H/L Data bus for 4 bit or 8 bit mode
LED forward voltage LED forward current
VF IF IEL
V mA mA
he
EL power supply current
LED+ LED-
+4.
2V for BKL
Power supply for BKL(0V)
et
Display character address code:
Display position
4U .
c
1 2 3 4 5 --- --- --- --DDRAM address 00 01 02 --- --- --- --- --DDRAM address 40 41 42 --- --- --- --- ---
18 19 20 11 12 13H 51 52 53H
om
1
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Electronical characteristics
...
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