ME
ME
DISPLAYS
CCM2020
20 x 2 lines Character
FEATURES
Number of Characters
Display Font
Built-in Controller
Input Data
Power Supply
Duty Cycle
Options
20 characters x 2 lines
5 x 8 dots
HD44780 or Comp
4 Bits or 8-Bits Interface
+5 V Single Power
1/16 Duty
EL/LED Backlight, TN/STN
MECHANICAL PARAMETERS
Module Size
Module Size with LED Backlight
Viewing Area Size
Dot Size
Dot Pitch
116.0W x 37.0H x 11.0T mm
116.0W x 37.0H x 24.0T mm
83.6W x 18.5H mm
0.65 x 0.60 mm
0.70 x 0.65 mm
ABSOLUTE MAXIMUM
Item
Symbol
Min.
Max
Unit
Power Supply for Logic
Vdd
-0.3
+7.0
V
Power Supply for LCD Drive
Vlcd
Vdd-13.5
Vdd+0.3
V
Input Voltage
Vi
-0.3
Vdd+0.3
V
Operating Temperature
Ta
0
+50
C
Storage Temperature
Tstg
-10
+60
C
ELECTRICAL CHARACTERISTICS
(Vdd=5.0V
5%, Ta=25C)
Item
Symbol
Conditions
Min
Typ
Max
U
Power Supply for Logic
Vdd
--
4.5
--
5.5
V
Op. Voltage for LCD
Vdd-Vo
--
--
5.0
--
V
Input "High" Voltage
Vih
--
2.2
--
Vdd
V
Input "Low" Voltage
Vil
--
-0.3
--
0.6
V
Output "High" Voltage
Voh
- Ioh = 0.2mA
2.4
--
--
V
Output "Low" Voltage
Vol
Iol = 1.2mA
--
--
0.4
V
Power Supply Current
Idd
Vdd = 5.0V
--
0.4
0.6
mA
Micro Electronics Corp
Http://www.microelect.com
ME
ME
DISPLAYS
CCM2020
20 x 2 lines Character
PIN ASSIGNMENT
No.
Symbol
Level
Pin Description
Function
1
Vss
--
Ground
0V
2
Vdd
--
Supply Voltage for Logic
5V
3
Vo
--
LCD Contrast Adjust
By User
4
RS
H/L
Register Select
H: Data, L: Instruction Code
5
R/W
H/L
Read / Write
H: Data Read, L: Data Write
6
E
H, H
L
Enable
Enable Signal
7
DB0
H/L
Data Bit 0
8-Bit Interface
8
DB1
H/L
Data Bit 1
8-Bit Interface
9
DB2
H/L
Data Bit 2
8-Bit Interface
10
DB3
H/L
Data Bit 3
8-Bit Interface
11
DB4
H/L
Data Bit 4
4 or 8-Bit Interface
12
DB5
H/L
Data Bit 5
4 or 8-Bit Interface
13
DB6
H/L
Data Bit 6
4 or 8-Bit Interface
14
DB7
H/L
Data Bit 7
4 or 8-Bit Interface
15
A
--
LED Backlight
Power Supply for Backlight
16
K
--
LED Backlight
Power Supply for Backlight
BLOCK DIAGRAM
Micro Electronics Corp
Http://www.microelect.com
PDF 
ZIP
