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OM4085 - Universal LCD driver for low multiplex rates

General Description

The OM4085 is a peripheral device which interfaces to almost any Liquid Crystal Display (LCD) having low multiplex rates.

Key Features

  • Single-chip LCD controller/driver.
  • Selectable backplane drive configuration: static or 2, 3 or 4 backplane multiplexing.
  • Selectable display bias configuration: static, 1⁄2 or 1⁄3.
  • Internal LCD bias generation with voltage-follower buffers.
  • 24 segment drives: up to twelve 8-segment numeric characters; up to six 15-segment alphanumeric characters; or any graphics of up to 96 elements.
  • 24 × 4-bit RAM for display data storage.
  • Auto-incr.

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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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INTEGRATED CIRCUITS DATA SHEET OM4085 Universal LCD driver for low multiplex rates Product specification Supersedes data of 1996 Nov 14 File under Integrated Circuits, IC12 1997 Feb 25 Philips Semiconductors Product specification Universal LCD driver for low multiplex rates FEATURES • Single-chip LCD controller/driver • Selectable backplane drive configuration: static or 2, 3 or 4 backplane multiplexing • Selectable display bias configuration: static, 1⁄2 or 1⁄3 • Internal LCD bias generation with voltage-follower buffers • 24 segment drives: up to twelve 8-segment numeric characters; up to six 15-segment alphanumeric characters; or any graphics of up to 96 elements • 24 × 4-bit RAM for display data storage • Auto-incremented display data loading across device subaddress boundaries • Di