Embedded Electronics LCD Modules BG12232B

BG12232B
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
H: Data L: Instruction
L: Enable chip2
L: Enable chip1
External clock input 2Khz
RD for 80 serial, E for 68 serial
WR for 80 serial, R/W for 68 serial
Power supply GND
Ao
CS2
CS1
CL
RD/ E
WR(R/W)
Vss
mm
mm
mm
mm
65.8 x 27.1
60.5 x 18.5
0.4 x 0.45
0.44 x 0.49
Dimension
BOLYMIN
1. COB with metal frame
2. No built-in oscillation, requiring external clock
3. Built-in controller SED1520Daa
4. 1/32 duty cycle
5. +3V~ +5V single power supply
5. requiring negative voltage for LCD driving
6. Option: FFC cable
7. Option: LED edge B/L, EL B/L
8~15
16
Data bus line
Power supply(+3V~+5V)
DB0 ~ 7
Vdd
17
18
H: 68 serial, L: 80 serial
Contrast Adjustment
RES
Vo
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
0.5
6.4
2.1
40
V
mA
V
V
mA
Typical
Value
Electronic Characteristics
o
25oC
25oC
Item Symbol Condition Unit
EL Power
Voltage Vel Vel=110Vac