CCM2040 Datasheet

Character Display Module


Features, Applications

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

FEATURES Number of Characters Display Font Built-in Controller Input Data Power Supply Duty Cycle Options

20 characters x 4 lines 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

ABSOLUTE MAXIMUM Item Power Supply for Logic Power Supply for LCD Drive Input Voltage Operating Temperature Storage Temperature

ELECTRICAL CHARACTERISTICS 5%, Ta=25C) Item Symbol Conditions Power Supply for Logic Vdd -Op. Voltage for LCD Vdd-Vo -Input "High" Voltage Vih -Input "Low" Voltage Vil -Output "High" Voltage Voh - Ioh = 0.2mA Output "Low" Voltage Vol Iol = 1.2mA Power Supply Current Idd Vdd = 5.0V Micro Electronics Corp

PIN ASSIGNMENT Symbol Vss Vdd Vo RS R/W A K Level ---H/L H/L H, H�L H/L --Pin Description Ground Supply Voltage for Logic LCD Contrast Adjust Register Select Read / Write Enable Data Bit 0 Data Bit 1 Data Bit 2 Data Bit 3 Data Bit 4 Data Bit 5 Data Bit 6 Data Bit 7 Backlight

Function 5V By User H: Data, L: Instruction Code H: Data Read, L: Data Write Enable Signal 8-Bit Interface 8-Bit Interface 8-Bit Interface 8-Bit Interface or 8-Bit Interface or 8-Bit Interface or 8-Bit Interface or 8-Bit Interface Power Supply for Backlight Power Supply for Backlight



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