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HCD66712UA03BP Datasheet(PDF) 1 Page - Hitachi Semiconductor |
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HCD66712UA03BP Datasheet(HTML) 1 Page - Hitachi Semiconductor |
1 / 88 page 364 HD66712U (Dot-Matrix Liquid Crystal Display Controller/Driver) Description The HD66712 dot-matrix liquid crystal display controller and driver LSI displays alphanumerics, numbers, and symbols. It can be configured to drive a dot-matrix liquid crystal display under the control of a serial or a 4- or 8-bit microprocessor. Since all the functions such as display RAM, character generator, and liquid crystal driver, required for driving a dot-matrix liquid crystal display are internally provided on one chip, a minimum system can be interfaced with this controller/driver. A single HD66712 is capable of displaying a single 24-character line, two 24-character lines, or four 12- character lines. The HD66712 software is upwardly compatible with the LCDII (HD44780) which allows the user to easily replace an LCD-II with an HD66712. In addition, the HD66712 is equipped with functions such as segment displays for icon marks, a 4-line display mode, and a horizontal smooth scroll, and thus supports various display forms. This achieves various display forms. The HD66712 character generator ROM is extended to generate 240 5 × 8 dot characters. The low-voltage operation (2.7V) of the HD66712, combined with a low-power mode, is suitable for any portable battery-driven product requiring low power consumption. Features • 5 × 8 dot matrix possible • Clock-synchronized serial interface capability; can interface with 4- or 8-bit MPU • Low-power operation support: 2.7 to 5.5V (low voltage) Wide liquid-crystal voltage range: 2.7 to 11.0V max. • Booster for liquid crystal voltage Two/three times (13V max.) • High-speed MPU bus interface (2MHz at 5-V operation) |
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