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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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S6B0741 Fiches technique(PDF) 5 Page - Samsung semiconductor |
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S6B0741 Fiches technique(HTML) 5 Page - Samsung semiconductor |
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5 / 74 page  S6B0741 128 SEG / 129 COM DRIVER & CONTROLLER FOR STN LCD 1 INTRODUCTION The S6B0741 is a driver & controller LSI for 4-level gray scale graphic dot-matrix liquid crystal display systems. It contains 128 segment and 129 common driver circuits. This chip is connected directly to a microprocessor, accepts Serial Peripheral Interface (SPI) or 8-bit parallel display data and stores in an on-chip display data RAM of 128 x 129 x 2 bits. It performs display data RAM read/write operation with no external operating clock to minimize power consumption. In addition, because it contains power supply circuits necessary to drive liquid crystal, it is possible to make a display system with the fewest components. FEATURES 4-level (White, Light Gray, Dark Gray, Black) Gray Scale Display with PWM and FRC Methods DDRAM data [2n: 2n+1] 00 01 10 11 Gray scale White Light gray Dark gray Dark (Accessible column address, n = 0, 1, 2, ……, 125, 126, 127) Driver Output Circuits − 128 segment outputs / 129 common outputs Applicable Duty Ratios Duty ratio Applicable LCD bias Maximum display area 1/16 ~ 1/128 (ICON disabled) 1/17 ~ 1/129 (ICON enabled) 1/5 to 1/12 129 × 128 − Various partial display − Partial window moving & data scrolling On-chip Display Data RAM − Capacity: 129 × 128 × 2 = 33,024bits Microprocessor Interface − 8-bit parallel bi-directional interface with 6800-series or 8080-series − SPI (serial peripheral interface) available (only write operation) On-chip Low Power Analog Circuit − On-chip oscillator circuit − Voltage converter (x3, x4, ×5 or x6) − Voltage regulator (temperature coefficient: -0.125%/°C, or external input) − On-chip electronic contrast control function (64 steps) − Voltage follower (LCD bias : 1/5 to 1/12) Operating Voltage Range − Supply voltage (VDD): 1.8 to 3.3V − LCD driving voltage (VLCD = V0 - VSS): 4.0 to 15.0 V |
Numéro de pièce similaire - S6B0741 |
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Description similaire - S6B0741 |
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