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HD66727 - Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver

General Description

The HD66727, dot-matrix liquid crystal display controller and driver LSI incorporating a key scan function, displays alphanumerics, katakana, hiragana, and symbols.

Key Features

  • Control and drive of a dot-matrix LCD with built-in key scan functions Four 12-character lines, 40 segments, and 12 annunciators Control of up to a 4 × 8-key matrix, 3 LED ports and 3 general ports Low-power operation support:  2.4 to 5.5V (low voltage)  Double or triple booster for liquid crystal drive voltage  Contrast adjuster and voltage followers for decreasing the direct current flow in the LCD drive bleeder-resistors  Standby mode and sleep mode.

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www.DataSheet4U.com HD66727 (Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver with Key Scan Function) Description The HD66727, dot-matrix liquid crystal display controller and driver LSI incorporating a key scan function, displays alphanumerics, katakana, hiragana, and symbols. It can be configured to drive a dotmatrix liquid crystal display and control key scan functions under the control of an I2C bus or a clocksynchronized serial microprocessor. A single HD66727 is capable of displaying up to four 12-character lines, 40 segments, and 12 annunciators, and controlling up to a 4-by-8 key matrix, and driving three LED.