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PCF85162 - Universal LCD driver

General Description

The PCF85162 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 static or multiplexed LCD containing up to four backplanes and up to 32 segments.

It can be easily cascaded for larger LCD applications.

Key Features

  • Single chip LCD controller and driver.
  • Selectable backplane drive configuration: static, 2, 3, or 4 backplane multiplexing.
  • Selectable display bias configuration: static, 1⁄2, or 1⁄3.
  • Internal LCD bias generation with voltage-follower buffers.
  • 32 segment drives:.
  • Up to 16 7-segment numeric characters.
  • Up to 8 14-segment alphanumeric characters.
  • Any graphics of up to 128 segments/elements.
  • 32 × 4-bit RAM for display.

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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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PCF85162 32 × 4 universal LCD driver for low multiplex rates Rev. 5.1 — 2 September 2021 Product data sheet 1 General description The PCF85162 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 static or multiplexed LCD containing up to four backplanes and up to 32 segments. It can be easily cascaded for larger LCD applications. The PCF85162 is compatible with most microcontrollers and communicates via the two-line bidirectional I2C-bus. Communication overheads are minimized by a display RAM with auto-incremented addressing, by hardware subaddressing, and by display memory switching (static and duplex drive modes). For a selection of NXP LCD segment drivers, see Table 24.