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ST7093 Datasheet(PDF) 1 Page - Sitronix Technology Co., Ltd. |
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ST7093 Datasheet(HTML) 1 Page - Sitronix Technology Co., Ltd. |
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1 / 43 page  ST Sitronix ST7093 26 COM / 80 SEG LCD CONTROLLER/DRIVER Ver 2.1 1/43 2003/09/23 FEATURES CGROM :10240 bits(256chars 5 x 8 dots) CGRAM :320 bits(8 chars 5 x 8 dots) DDRAM :64 bytes(16 x 4 ) ICONRAM :80 bits Low power operation support: -- 2.4 to 3.6V Wide range of LCD driver power -- 3.0 to 7.0V 4-bit or 8-bit MPU interface for both 68 and 80 series 4 pin clock synchronized serial interface COM/SEG bi-directional setting Voltage converter/regulator/follower/bias circuit built in 26 common x 80 segment liquid crystal display driver 32 steps electronic volume control Wide range of instruction functions: return home, display on/off, cursor on/off, display character blink, double height, line shift, function set, power and bias control Hardware reset pin available Internal oscillator or external clock Power save mode for low power consumption Bare Chip available GENERAL DESCRIPTION The ST7093 dot-matrix liquid crystal display controller can drive LSI displays alphanumeric, Japanese kana characters, and symbols. It can be configured to drive a dot-matrix liquid crystal display under the control of a 4bit, 8 bit or 4 pin clock synchronized serial bus interface. For 4 bit and 8 bit bus interface both 68 series and 80 series type are available. Since all the functions such as display RAM, character generator, liquid crystal driver, oscillator and voltage control functions required for driving a dot-matrix liquid crystal display are internally provided on one chip, a minimal system can be interfaced with this controller/driver. The ST7093 character generator ROM is extended to generate 256 5 x 8 dot character fonts. The low power supply (2.4V to 3.6V) of the ST7093 is suitable for any portable battery-driven product requiring low power dissipation. The ST7093 LCD driver consists of 26 common signal drivers and 80 segment signal drivers with COG gold bump available. |
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