Rainbow Electronics BG12864B - Manual

BG12864B
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
Register selection signal
Data read/write
H -> L Enable signal
Vss
Vdd
Vo
RS
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
BO LYM IN
1. COB with metal frame
2. Built-in controller ST7920
(128x64 dots matrix mode or 16x16 dots Big5/GB
Chinese mode , or 8x16 dots ASCII mode)
3. +5V single power supply
4. 1/32 duty cycle
5. Option: +3V single power supply
6. Option: LED array/edge B/L, EL B/L
15
16
Power supply for B/L (GND)
A
K
17
18 Reset LCD module
Negative voltage output +7.5V /RST
Vee
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
9.7
6.0
4.2
330
V
mA
V
V
mA
Typical
Value
Electronic Characteristics
o
25 C
o
25 C
o
Item Symbol Condition
Unit
EL Power
Voltage
Vel Vel=110Vac/400Hz V
Data bus line
Power supply for B/L (+)
19.08 P2.54*17=43.18
70.0
±
0.5
1.5
50.2
40.0(VA) 33.24(AA)
88.0
18-Ø1.0 PTH
1.8
2.5
1.6
5.08
72.0(VA)
93.0 ± 0.5
80.0
66.52(AA)
10.5
7.0
13.24
18.38
15.0
9.9
2.5
32.46
28.0
14.0
2.5
65.0
4-Ø1.0 PTH
4-Ø2.5 PTH
4-Ø6.5 PAD
0.48
0.52
0.48 0.52
DOT SIZE
SCALE 10/1
18
K
A
13.6(LED B/L)
9.7(EL or No B/L)
9.0(LED B/L)
5.1(EL or No B/L)
1