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HD66726 - Graphics LCD Controller/Driver

General Description

The HD66726, dot-matrix graphics LCD controller and driver LSI incorporating a key scan function up to a 4-by-8 key matrix, displays characters such as alphanumerics, katakana, hiragana and symbols as well as graphics such as kanji and pictograms.

Key Features

  • Control and drive of a character and graphics LCD with built-in key scan functions.
  • Five 16-character lines, 96-by-40 dot graphics, and 192 segments.
  • 64 grayscale segments.
  • Control up to a 4 × 8 (32 key) matrix key scan.
  • 3 general ports built-in.
  • Low-power operation support:  Vcc = 2.2 to 5.5 V (low voltage)  VLCD = 4.0 to 13.0 V (liquid crystal drive voltage)  Single, double, triple, or quadruple booster for liquid crystal drive voltage.

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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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HD66726 (Graphics LCD Controller/Driver with Key Scan Function) ADE-207-310(Z) Rev 1.1 Aug, 1999 Description The HD66726, dot-matrix graphics LCD controller and driver LSI incorporating a key scan function up to a 4-by-8 key matrix, displays characters such as alphanumerics, katakana, hiragana and symbols as well as graphics such as kanji and pictograms. It can be configured to drive a dot-matrix liquid crystal display and control key scan functions under the control of the microprocessor connected via the clock-synchronized serial or 4/8-bit bus. A single HD66726 is capable of displaying up to five 16-character lines, 96-by-40 dot graphics and 192 segments. Of the 192 segments displayed, 64 segments can be grayscaled.