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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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ST7528 데이터시트(PDF) 1 Page - Sitronix Technology Co., Ltd. |
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ST7528 데이터시트(HTML) 1 Page - Sitronix Technology Co., Ltd. |
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1 / 97 page  ST Sitronix ST7528 16 Gray Scale Dot Matrix LCD Controller/Driver Ver2.3 1/97 2007/1/3 INTRODUCTION The ST7528 is a driver & controller LSI for 16-level gray scale graphic dot-matrix liquid crystal display systems. It contains 2 Mode (160X100,132X128) for Segment and Common driver circuits. This chip is connected directly to a microprocessor, accepts Serial Peripheral Interface (SPI), IIC or 8-bit parallel display data and stores in an on-chip display data RAM of 160 x 129 x 4 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 16-level (White Mode ~ Dark Mode) Gray Scale Display with PWM and FRC Methods DDRAM data [ 4n : 4n+3 ] 4n 4n + 1 4n + 2 4n+ 3 Gray Scale 0 0 0 0 White Mode 0 0 0 1 Gray Level 1 0 0 1 0 Gray Level 2 : : : : : : : : : : 1 1 0 1 Gray Level 13 1 1 1 0 Gray Level 14 1 1 1 1 Dark (Mode0: Accessible column address, n = 0, 1, 2, ……, 129, 130, 131) (Mode1: Accessible column address, n = 0, 1, 2, ……, 157, 158, 159) Driver Output Circuits −Mode 0 : 132 segment outputs / 128+1 common outputs (16-level gray scale) −Mode 1: 160 segment outputs / 100+1 common outputs (16-level gray scale) Applicable Display Ratios − Various partial display − Partial window moving & data scrolling On-chip Display Data RAM − Capacity: 129 × 160 × 4 = 82,560 bits −16-Gray Level display dot is illuminated by 4 bit data control |
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