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| om .c 4U et he aS at ME DISPLAYS .D w w w m o .c U t4 e e h S ta a .D w w w 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 om .c 4U et he aS at .D w w w 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, HaL 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 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=25C) 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 |
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