The HD44780 LCD (20×4) is a dot-matrix liquid crystal display that provides a resolution of 20×4 characters. This display is controlled and driven by the HD44780 dot-matrix liquid crystal display controller and driver LSI, which allows for the display of alphanumerics, Japanese Kana characters, and symbols. The LCD can be configured to operate under the control of either a 4- or 8-bit microprocessor. All necessary functions for driving the LCD, such as display RAM, character generator, and liquid crystal driver, are internally provided on one chip, allowing for a minimal system interface.
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