Industrial LCD Driver for Multiplex Rates Up to 1-8

Product Details


  • Low-power single-chip LCD controller and driver
  • 352 elements allowing to drive:
    • up to 44 7-segment alphanumeric characters
    • up to 22 14-segment alphanumeric characters
  • Selectable backplane drive configuration: static, 2, 4, 6, or 8 backplane multiplexing
  • Software programmable internal charge pump for on-chip LCD voltage generation up to 9 V with internal capacitors
  • 400 kHz I²C-bus interface (PCF8537AH)
  • 5 MHz SPI-bus interface (PCF8537BH)
  • Programmable temperature compensation of VLCD in four regions
  • Selectable display bias configuration
  • Wide range for digital power supply: from 1.8 V to 5.5 V
  • Wide LCD supply range: from 2.5 V for low threshold LCDs and up to 9.0 V for high threshold twisted nematic LCDs
  • Display memory bank switching in static, duplex, and quadruplex drive modes
  • 352-bit RAM for display data storage
  • Programmable frame frequency in the range of 60 Hz to 300 Hz in steps of 10 Hz; factory calibrated
  • Integrated temperature sensor with temperature readout
  • On chip calibration of internal oscillator frequency and VLCD
  • Manufactured in silicon gate CMOS process

Target Applications

  • White goods
  • Handheld electronics
  • Battery operated equipment
  • Machine control systems
  • Measuring equipment
  • Information boards
  • Panels
  • Consumer
  • Industrial
  • Medical and health care

Part numbers include: PCF8537AH.


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Design Files

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