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hd44780 pdf,HD44780 lcd datasheet

2013-09-22
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The HD44780U dot-matrix liquid crystal display controller and driver LSI displays alphanumerics,Japanese kana characters, and symbols. It can be configured to drive a dot-matrix liquid crystal displayunder the control of a 4- or 8-bit microprocessor. Since all the functions such as display RAM, charactergenerator, and liquid crystal driver, required for driving a dot-matrix liquid crystal display are internallyprovided on one chip, a minimal system can be interfaced with this controller/driver.A single HD44780U can display up to one 8-character line or two 8-character lines.The HD44780U has pin function compatibility with the HD44780S which allows the user to easily replacean LCD-II with an HD44780U. The HD44780U character generator ROM is extended to generate 208 5 ´8 dot character fonts and 32 5 ´ 10 dot character fonts for a total of 240 different character fonts.The low power supply (2.7V to 5.5V) of the HD44780U is suitable for any portable battery-driven productrequiring low power dissipation.

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