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