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NJU6539

Features: 􀁺· Direct Correspondence between Display Data RAM and LCD Pixel􀁺· Display Data RAM : 650-bits􀁺· LCD Drivers : 65-seg, 10-com􀁺· Serial interface (SIO, SCL, CS)􀁺· Programmable Duty Ratio1/8 Duty, 1/9 Duty, 1/10Duty􀁺· Bias Ratio 1/4 bias...

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SeekIC No. : 004434457 Detail

NJU6539: Features: 􀁺· Direct Correspondence between Display Data RAM and LCD Pixel􀁺· Display Data RAM : 650-bits􀁺· LCD Drivers : 65-seg, 10-com􀁺· Serial interface (SIO, SC...

NJU6539 Data Sheet

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Part Number:
NJU6539
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 : 650-bits
􀁺· LCD Drivers : 65-seg, 10-com
􀁺· Serial interface (SIO, SCL, CS)
􀁺· Programmable Duty Ratio
1/8 Duty, 1/9 Duty, 1/10Duty
􀁺· Bias Ratio 1/4 bias
􀁺· 25-key scan Function (5 x 5 matrix)
Needless for anti-reverse current diodes in key scan
􀁺· General Output Ports with 128-steps PWM output (possible LED driving) maximum 4-ports
􀁺· Useful Instruction Set
  Display ON/OFF, Page Address Set, Column Address Set, ADC Select, Inverse Display ON/OFF, whole display
 ON/OFF, Reset, EVR Register Set, Duty Select, Power Save mode set, General Output Port set, General Output Port
 PWM data set, PWM slope set, PWM program Execute, General Output Port / Key scan output select, Display Data write,
􀁺· Bleeder Resistance On-chip
􀁺· Software Contrast Control (16 steps)
􀁺· Operating Voltage
Logic Operating Voltage 2.7 to 5.5V
LCD Driving Voltage 5.0 to 10.0V
􀁺· Package Outline QFP100-G1
QFP100-C2
􀁺· C-MOS Technology (Substrate: P)


Pinout

Connection Diagram


Description

The NJU6539 is a 10-common x 65-segment bitmap LCD driver to display graphics or characters.

NJU6539 contains 650 bits display data RAM, microprocessor interface circuit, common and segment drivers, key scan circuit, and general output ports.

An image data of NJU6539 from MPU through the serial interface is stored into the 650 bits internal displayed on the LCD panel through the commons and segments drivers.

The NJU6539 displays 10 x 65 dots graphics or 11-character 1-line by 5 x 7 dots character + 3 x 65 dots icons.

NJU6539 contains key scan circuit transmitting the 25-keys maximum (5 x 5 = 25) to MPU.

AlsoNJU6539 provides 4 general purpose output ports with PWM output function maximum to drive LEDs or others directly.

Furthermore, the NJU6539 can select a LCD driving voltage out of 16 steps voltage by the instruction adjust the display contrast of LCD panel.




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