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NJU6678

Features: ·Direct Correspondence between Display Data RAM and LCD Pixel·Display Data RAM - 21,120 bits (1.5 times over than display size)·236 LCD Drivers - 104-common and 132-segment·Direct Microprocessor Interface for both of 68 and 80 type MPU Serial Interface·Partial Display Function·(2 blocks ...

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SeekIC No. : 004434472 Detail

NJU6678: Features: ·Direct Correspondence between Display Data RAM and LCD Pixel·Display Data RAM - 21,120 bits (1.5 times over than display size)·236 LCD Drivers - 104-common and 132-segment·Direct Micropro...

NJU6678 Data Sheet

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Part Number:
NJU6678
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

·Direct Correspondence between Display Data RAM and LCD Pixel
·Display Data RAM - 21,120 bits (1.5 times over than display size)
·236 LCD Drivers - 104-common and 132-segment
·Direct Microprocessor Interface for both of 68 and 80 type MPU Serial Interface
·Partial Display Function
·(2 blocks of active display area and automatic duty cycle ratio selection)
·Easy Vertical Scroll by the variable start line address and over size display data RAM
·Programmable Bias selection ; 1/4,1/5,1/6,1/7,1/8,1/9,1/10,1/11 bias
·Common Driver Order Assignment by mask option
·Useful Instruction Set
·Display Data Read/Write, Display ON/OFF Cont, Inverse Display, Page Address Set,
·Display Start Line Set, Partial Display, Bias Select, Column Address Set, Status Read,
·All On/Off, Voltage Booster Circuits Multiple Select(Maximum 5-time), n-Line Inverse,
·Read Modify Write, Power Saving, ADC Select, etc.
·Power Supply Circuits for LCD; Programmable Voltage Booster Circuits(5-time Maximum),
·Regulator, Voltage Follower x 4
·Precision Electrical Variable Resistance
·Low Power Consumption
·Operating Voltage --- 2.5V to 3.3V
·LCD Driving Voltage --- 6.0V to 17V
·Package Outline --- COF / TCP / Bumped Chip
·C-MOS Technolog


Specifications

PARAMETER SYMBOL RATINGS UNITS
Supply Voltage (1) VDD -0.3 to +5.0 V
Supply Voltage (2) V5 VDD-17.0 to VDD+0.3 V
Supply Voltage (3) V1 to V4 V5 to VDD+0.3 V
Input Voltage VIN -0.3 to VDD+0.3 V
Operating Temperature Topr -30 to +80
Storage Temperature Tstg -55 to +125 (Chip)
-55 to +100 (TCP)

Note 1) If the LSI are used on condition above the absolute maximum ratings, the LSI may be destroyed. Using the LSI within electrical characteristics is strongly recommended for normal operation. Use beyond the electric characteristics conditions will cause malfunction and poor reliability.
Note 2) All voltage values are specified as V VSS SS=0 V.
Note 3) The relation : V VDD DD > V V1 > V V2 > V V3 > V V4 > V V5 ; V VDD DD > V VSS SS > V VOUT OUT must be maintained. Note 4) Decoupling capacitor should be connected between V VDD DD and V VSS SS due to the stabilized operation for the voltage converter.




Description

The NJU6678 is a bit map LCD driver to display graphics or charac- characters. It contains 21,120 bits display data RAM, microprocessor inter- ters. interface circuits, instruction decoder, 132-segment and 104-common driv- face drivers. ers. The bit image display data is transferred to the display data RAM by serial or 8-bit parallel interface. The NJU6678 displays 104 x 132 dots graphics or 8-character 6-line by 16 x 16 dots character.

NJU6678 oscillates by built-in OSC circuit without any external components. Furthermore, the NJU6678 features Partial Display Function which creates up to 2 blocks of active display area and optimizes duty cycle ratio. This function sets optimum boosted voltage by the combination with both of programmable 5-time voltage booster circuit and 201- step electrical variable resistor. As result, NJU6678 reduces the operating cur- current. rent.

The operating voltage of NJU6678 from 2.5V to 3.3V and low operating current are useful for small size battery operating items.




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