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PCF8536 - Universal LCD driver

General Description

The PCF8536 is a peripheral device which interfaces to almost any Liquid Crystal Display (LCD)1 with low multiplex rates.

It generates the drive signals for any multiplexed LCD containing up to eight backplanes, up to 44 segments, and up to 320 elements.

Key Features

  • Single-chip 320 segment LCD controller and driver with 6 channel PWM generator.
  • 6 channel PWM generator for backlight LED illumination.
  • 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.
  • Low power consumption.
  • Selectable backplane drive configuration: 4, 6, or 8 backplane mul.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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PCF8536 Universal LCD driver for low multiplex rates including a 6 channel PWM generator Rev. 3 — 2 November 2021 Product data sheet 1 General description The PCF8536 is a peripheral device which interfaces to almost any Liquid Crystal Display (LCD)1 with low multiplex rates. It generates the drive signals for any multiplexed LCD containing up to eight backplanes, up to 44 segments, and up to 320 elements. The PCF8536 is compatible with most microcontrollers and communicates via the two-line bidirectional I2C-bus (PCF8536AT) or a three line unidirectional SPI-bus (PCF8536BT). Communication overheads are minimized using a display RAM with auto-incremented addressing. The PCF8536 features an on-chip PWM controller for LED illumination. Up to six independent channels can be configured.