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HD66705U - Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver

General Description

The HD66705U dot-matrix liquid crystal display controller and driver LSI displays alphanumerics, katakana, hiragana, and symbols.

It can be configured to drive a dot-matrix liquid crystal display under the control of a clock-synchronized serial, or a 4- or 8-bit microprocessor.

Key Features

  • 5 × 8-dot matrix LCD drive.
  • Two 12-character lines, 40 segments, and 10 annunciators.
  • Low-power operation support:  2.4 to 5.5V (low voltage)  Double or triple booster for liquid crystal drive voltage  Electron volume function and voltage-followers for decreasing the direct current flow in the LCD drive bleeder-resistors  Standby mode and sleep mode  Displays up to 10 static annunciators without LCD power supply.
  • Clock-synchronized serial interface; 4- o.

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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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www.DataSheet4U.com HD66705U (Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver) ADE-207-305(Z) '99.9 Rev. 0.0 Description The HD66705U dot-matrix liquid crystal display controller and driver LSI displays alphanumerics, katakana, hiragana, and symbols. It can be configured to drive a dot-matrix liquid crystal display under the control of a clock-synchronized serial, or a 4- or 8-bit microprocessor. A single HD66705U is capable of displaying a maximum of two 12-character lines, 40 segments, and 10 annunciators. The HD66705U incorporates all the functions required for driving a dot-matrix liquid crystal display such as display RAM, character generator, and liquid crystal drivers, and a booster for LCD power supply.