Embedded Electronics LCD Modules BG12864A

BG12864A
Feature
Mechanical Data
Item
Module Dimension
Viewing Area
Dot Size
Dot Pitch
Standard Value Unit
Pin Assignment
Pin Symbol Function
1
2
3
4
5
6
7~14
GND
+ 5V(+3V option)
Contrast adjustment
Data/instruction
Data read/write
H -> L Enable signal
Vss
Vdd
Vo
D/I
R/W
E
DB0~7
mm
mm
mm
mm
93.0 x 70.0
72.0 x 40.0
0.48 x 0.48
0.52 x 0.52
Dimension
BOLYMIN
1. COB with metal frame
2. Built-in controller KS107/108
3. +5V single power supply, with built-in negative voltage
4. 1/64 duty cycle
5. Option: Temperature compensation circuit
6. LED B/L Pins: 19/20, or A/K , or 1/2
7. Option: LED array/edge B/L, EL B/L
8. Option: +3V single power supply
9. Option: External negative voltage
15
16 Chip select for IC2
CS1
CS2
17
18
Reset
Negative voltage output(-4.8V)
/RST
Vee
19
20
Power supply for B/L (+)
Power supply for B/L (GND)
A
K
Input Voltage
Supply Current
LCD Driving
Voltage
LED Forward
Voltage
LED Forward
Current
Vdd
Idd
Vdd-Vo
Vf
If
Vdd = +5V
Vdd = +5V
25 C
5.0
18
9
4.2
330
V
mA
V
V
mA
Typical
Value
Electronic Characteristics
o
25 o C
25 o C
Item Symbol Condition Unit
EL Power
Voltage Vel Vel=110Vac/400Hz V
Data bus line
Chip select for IC1
70.0