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NJU6424 Series
10-Character 3-Line DOT Matrix LCD Controller Driver

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  • Description

    The NJU6424 is a Dot Matrix LCD controller driver for 10-character 3-line with icon display in single chip. It contains voltage tripler,bleeder resistance,bias control circuit,CR oscillator,microprocessor interface circuits,instruction decoder controller,character generator ROM/RAM,high voltage operation common and segment drivers. The voltage tripler and bleeder resistance generates about triple voltage (8V) and bias voltage for LCD driving waveform internally from single power supply (3V). Consequently,high-contrast display can be performed though the simple power supply circuits. The vias control circuits can change the output current of Voltage follower,therefore COM/SEG driveability can be increased. The CR oscillator incorporates C and R,therefore no external components for oscillation are required. The microprocessor interface circuits which operate by 1MHz,can be connected directly to 4/8 bit microprocessor. The character generator consists of 9,600 bits ROM and 64 bytes RAM. The 26-common (24 for character,2 for icon) and 50-segment drivers are operated up to 13.5V,and the icon common driver display up to 100 icons.

  • Spec
    Supply Voltage 2.4 to 3.6 V (Except LCD Driving Voltage)
    Operating Current Typ. 150μA
    Display Display Data RAM - 30×8 bits (Maximum 10-Character 3-line Display)
    Duty 1/26
    Interface 4/8 Bits Microprocessor Direct Interface
    Structure CMOS Technology
    Wide Operating Temperature -30℃ to +80℃
    Junction Temp. +125℃
    Package Chip
    Maximum 100 icon Display COMMK1,COMMK2
    Character Generator ROM 9,600 bits (240 Characters for 5×7 Dots)
    Character Generator RAM 32×5 bits (4 Patterns (5×7 Dots)
    High Voltage LCD Driver 26-common/50-segment
    Note 10-character 3-line Dot Matrix LCD Controller Driver
    Power On Initialize
    Hardware Reset Function
    Voltage Tripler On-chip
    Bleeder Resistance with voltage follower On-chip
    Oscillation Circuits On-chip
    Useful Instruction Set (Clear Display,Return Home,Display ON/OFF Cont,
    Cursor ON/OFF Cont,Display Blink,Cursor Shift,Character Shift)
  • Technical
  • Quality &
    • Refer to the datasheets for the details on the product.
    • The package file or the datasheet includes package dimensions, taping specifications, taping reels dimensions, power dissipations, and recommended land pattern.

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Functional Description

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