BO LYMIN
BC2004A20
Feature
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. RS232 interface
7. Option: I2C interface
8. Option: LED,EL backlight
Mechanical Data
Item
Standard Value
Module Dimension
98.0 x 60.0
Viewing Area
77.0 x 25.2
Dot Size
0.55 x 0.55
Character Size
2.95 x 4.75
Unit
mm
mm
mm
mm
Electronic Characteristics
Symbol Condition
Typical
Unit
Value
Input Voltage
Vdd Vdd = +5V 5.0
V
Supply Current
Idd
Vdd = +5V 20.0 mA
LCD Driving
4.5
Vdd-Vo
V
25
o
C
Voltage
LED Forward
4.2
Vf
V
25
o
C
Voltage
LED Forward
280 mA
If
25
o
C
Current
EL Power
Vel
Vel=110Vac/400Hz
V
Voltage
Item
Pin Assignment RS232
Pin
Symbol
Function
2
Data Out Data out from LCM
Data from user
3
Data In
Ground
5
GND
Pin Assignment
Pin
Symbol
1
5V
2
I2C clock
3
I2C data
4
GND
Dimension
0.6
10.
13.
10.
98.0
±
0.5
96.8
77.0(VA)
70.4(AA)
P2.54*15=38.06
2.0
16-Ø1.0 PTH 16
2.5
2.5
PORT2
Function
5V input for LCM
I2C interface clock input
I2C interface data input
GND for LCM
2.95
0.6
0.55
0.6
10.3
17.
19.
60.0
±
0.5
39.3
25.2(VA)
20.8(AA)
55.0
0.6
4.75
0.6
0.55
1
DOT SIZE
SCALE 5/1
VIEW "AA"
49.0
2.5
93.0
4-Ø2.5 PTH
4-Ø5.0 PAD
BOLYMIN [ BOLYMIN, INC ]
