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HD66717A03TA0 Datasheet(PDF) 1 Page - Hitachi Semiconductor |
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HD66717A03TA0 Datasheet(HTML) 1 Page - Hitachi Semiconductor |
1 / 90 page 452 HD66717 (Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver) Description The HD66717 dot-matrix liquid crystal display controller and driver LSI displays alphanumerics, katakana, hiragana, and symbols. It can be configured to drive a dot-matrix liquid crystal display under the control of an I 2C bus, a clock-synchronized serial, or a 4- or 8-bit microprocessor. A single HD66717 is capable of displaying a maximum of four 12-character lines, 40 segments, and 10 annunciators. The HD66717 incorporates all the functions required for driving a dot-matrix liquid crystal display such as display RAM, character generator, and liquid crystal drivers, and a booster for LCD power supply. The HD66717 provides various functions to reduce the power consumption of an LCD system such as low-voltage operation of 2.4V or less, a booster for generating a maximum of triple LCD drive voltage from the supplied voltage, and voltage-followers for decreasing the direct current flow in the LCD drive bleeder-resistors. Combining these hardware functions with software functions such as standby and sleep modes allows a fine power control. The HD66717, with the above functions, is suitable for any portable battery-driven product requiring long-term driving capabilities and small size. Features • 5 × 8-dot matrix LCD drive • Four 12-character lines, 40 segments, and 10 annunciators • Low-power operation support: 2.4 to 5.5V (low voltage) Double or triple booster for liquid crystal drive voltage Electron volume function and voltage-followers for decreasing the direct current flow in the LCD drive bleeder-resistors Standby mode and sleep mode Displays up to 10 static annunciators • I2C bus or clock-synchronized serial interface; 4- or 8-bit parallel bus interface • 60 × 8-bit display data RAM (60 characters max) • 9,600-bit character generator ROM 240 characters (5 × 8 dots) |
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Similar Description - HD66717A03TA0 |
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