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SPECIFICATIONS FOR LCD MODULE CGM12864
MICRO ELECTRONICS CORPORATION 3375 Scott Blvd. Suite 222 Santa Clara CA 95054 Tel: 408-988-1101 Fax: 408-988-7626 Email: micro@microelect.com Http://www.microelect.com
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ME DISPLAYS
• FEATURES Number of Dots Built-in Controller IC Duty Cycle Biasing Operating Voltage Glass to PCB Options
CGM12864 128 x 64 dots Graphic
128 x 64 HD61202 1/64 Duty 1/9 Biasing 14.43V Zebra and Heat Seal Connector EL/LED Backlight, STN
• MECHANICAL PARAMETERS Module Size Viewing Area Size Dot Size Dot Pitch
78.0W x 70.0H x 9.2 mm 62.0W x 44.0H mm 0.55 x 0.39 mm 0.60 x 0.44 mm
•
ABSOLUTE MAXIMUM Item Power Supply Voltage Power Supply for LCD Drive Input Voltage Operating Temperature Storage Temperature
Symbol Vdd Vlcd Vi Ta Tstg
Min. -0.3 Vdd-19.0 -0.3 -10 -20
Max +7.0 Vdd+0.3 Vdd+0.3 +60 +70
Unit V V V C C
• ELECTRICAL CHARACTERISTICS (Vdd=5.0V ± 10%, Ta=25C) Item Symbol Conditions Power Supply for Logic Vdd -Input “High” Voltage Vih E, R/W, RS Input “Low” Voltage Vil DB0-DB7 Output “High” Voltage Voh DB0Output “Low” Voltage Vol DB7 Power Supply Current Idd During Display
Min 4.5 2.0 0 2.4 -
Typ 5.0 -----
Max 5.5 Vdd 0.8 0.4 2750
U V V V V V uA
Micro Electronics Corp
Http://www.microelect.com
ME DISPLAYS
• PIN ASSIGNMENT Symbol CSA CSB GND Vcc Vee D/I R/W E DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0 Level -----H, HàL H/L H/L H/L H/L H/L H/L H/L H/L H/L H/L Function Chip Selection Chip Selection Power Ground (0V) Supply Voltage (+5V) Supply Voltage for LCD (0 ~ -10V) H: Data, L: Instruction H: Read, L: Write Enable Signal Data Bus Data Bus Data Bus Data Bus Data Bus Data Bus Data Bus Data Bus
CGM12864 128 x 64 dots Graphic
No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 •
BLOCK DIAGRAM
•
DIAGRAM CGM12864
•
BACKLIGHT CHARASTERISTICS
EL BACKLIGHT Electrical Data Parameter Power Supply Wave Shape Frequency Efficiency η Capacity Operating Current Optical Data Parameter Power Supply Luminous Intensity Emission Homogenity Useful Life Brightness Uniformity (Relative Humidity <80%)
Description Up to max. 230 RMS Sinusoidal Up to max. 3 KHz (dvA/cd) 0.50 nF/cm2 160mA
Description 110v 400Hz sinusoidal 69.3 cd/m2 resp 20.4fl Color Green/Blue 500nm x=0.173, y=0.407 ± 5% Unlimited 1000h approx. 80% 5000h approx. 50%
LED BACKLIGHT Characterisitcs Low Voltage Driving (DC) is available without invertor No noise occurrence Life : 20K Hours Item Power Dissipation Reverse Current Reverse Voltage Peak Forward Current Forward Voltage Luminous Intensity Symbol Po IR VR IF VF IV Conditions -VR=8V --IF=100mA TA=25C Min -----Typ. 1.1 -8 250 4.2 14 Max. 0.2 --4.4 -Unit W mA V mA V cd/m2
• AC CHARACTERISTICS (Vdd=5V ± 10%, Vss=0V, Ta=25°C) Item Enable Cycle Time Enable Pulse Width Enable Rise/Fall Time Address Set-up Time Address Hold Time Data Set-up Time Data Delay Time Data Hold Time (Writing) Data Hold Time (Reading)
Symbol TCYC PWEH, PWEL tEr, tEf tAS tAH tDSW tDDR tDHW tDHR
Min 1000 450 -140 10 200 -10 20
Max --25 ---320 ---
Unit ns ns ns ns ns ns ns ns ns
•
TIMING CHARACTERISTICS
Micro Electronics Corp
Http://www.microelect.com
•
CONTROL AND DISPLAY COMMAND
R/ W D/I DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
Command
Display on/off
Remark Controls the display on or off. Internal status and display RAM data is not affected. L: OFF, H: ON Sets the Y address in the Y address counter I/D: Set Cursor Move Direction H-Increase L-Decrease SH: Specifies Shift of Display H-Display is Shifted L-Display is Not Shifted D: Display (H-on, L-off) C: Cursor (H-on, L-off) B: Blinking (H-o, L-off) Read the status: busy 1: working, 0: ready ADC 1: clockwise output, 0: counterclockwise On/Off 1: disp off, 0: disp on Reset 1: reset, 0: normal Write data (DB0:7) into display data RAM. After writing instruction, Y address is increased by 1 automatically Read data (DB0:7) from display data RAM to the data bus
L
L
L
L
H
H
H
H
H
L/H
Set Address Set Page (X Address)
L L
L L
H H
H L
Y address (0~63) H H H page (0~7)
Display Start Line Status Read
L
L
H
H
Display start line (0~63)
H
L
Bus y
L
On/ Off
Re set
L
L
L
L
Write Display Data
L
H
Write Data
Read Display Data
L
L
Read Data
