Embedded Electronics LCD Modules BC2004B

BC2004B
Feature
Mechanical Data
Item
Module Dimension
Viewing Area
Dot Size
Character Size
Standard Value Unit
mm
mm
mm
mm
146.0 x 62.5
123.5 x 43.0
0.92 x 1.1
4.84 x 9.22
Dimension
BOLYMIN
1. COB with metal frame
2. 5x7 dots with cursor
3. Built-in controller KS0066 or equivalent
4. + 5V single power supply
5. 1/16 duty cycle
6. LED B/L pins: 15/16, or A/K, or 1/2
7. Option: LED, EL B/L
8. Option: +3V single power supply
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
1.5
4.2
4.2
540
V
mA
V
V
mA
Typical
Value
Electronic Characteristics
o
25oC
25oC
Item Symbol Condition Unit
EL Power
Voltage Vel Vel=110Vac/400Hz V
Pin Assignment
Pin Symbol Function
1
2
3
4
5
6
7~14
GND
+5V(+3V option)
Contrast adjustment
H/L register select signal
H/L read/write signal
H --> L enable signal
H/L data bus line
Vss
Vdd
Vo
RS
R/W
E
DB0~7
15
16
17
18
Power supply for B/L (+)
Power supply for B/L (GND)
NC/ Negative voltage output
No connection
A
K
NC/Vee
NC