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2. Hitachi HD44780 LCD controller - Wikipedia

   en.wikipedia.org/wiki/Hitachi_HD44780_LCD_controller

   The Hitachi HD44780 LCD controller is an alphanumeric dot matrix liquid crystal display (LCD) controller developed by Hitachi in the 1980s. The character set of the controller includes ASCII characters, Japanese Kana characters, and some symbols in two 40 character lines.

3. LCD Smartie - Wikipedia

   en.wikipedia.org/wiki/LCD_Smartie

   LCD Smartie is open-source software for Microsoft Windows which allows a character LCD to be used as an auxiliary display device for a PC. Supported devices include displays based on the Hitachi HD44780 LCD controller , the Matrix Orbital Serial/USB LCD, and Palm OS devices (when used in conjunction with PalmOrb).

4. Solid Converter PDF - Wikipedia

   en.wikipedia.org/wiki/Solid_Converter_PDF

   Solid Converter PDF is document reconstruction software from Solid Documents which converts PDF files to editable formats. Originally released for the Microsoft Windows operating system, a Mac OS X version was released in 2010. The current versions are Solid Converter PDF 9.0 for Windows and Solid PDF to Word for Mac 2.1.

5. Talk:Display driver - Wikipedia

   en.wikipedia.org/wiki/Talk:Display_driver

   The documentation for the notable example of a display driver IC given in this article, the Hitachi HD44780 LCD controller, calls it a "dot-matrix liquid crystal display controller and driver LSI". I assume that LSI means large scale integration, i.e., a type of integrated circuit.

6. Dot-matrix display - Wikipedia

   en.wikipedia.org/wiki/Dot-matrix_display

   A 16×2-character dot-matrix display, where each character is made from a grid of 5×7 dots. A dot-matrix display is a low-cost electronic digital display device that displays information on machines such as clocks, watches, calculators, and many other devices requiring a simple alphanumeric (and/or graphic) display device of limited resolution.

7. Talk:Hitachi HD44780 LCD controller - Wikipedia

   en.wikipedia.org/wiki/Talk:Hitachi_HD44780_LCD...

   After searching for it in the data sheet, I discovered that the HD44780 has Pull-Up MOSFETs at DB0–DB7, RS, and R/ W: see pp. 48 and 51 (where the pull-up current is specified) as well as page 54 which shows the internal structure behind the pins. So DB0–DB3 should, if in 4-bit mode, left unconnected and will be read as 1s.