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ST7632 Datasheet(PDF) 1 Page - Sitronix Technology Co., Ltd. |
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ST7632 Datasheet(HTML) 1 Page - Sitronix Technology Co., Ltd. |
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1 / 96 page  ST Sitronix ST7632 4K Color Dot Matrix LCD Controller/Driver Ver 1.7 1/96 2006/08/15 1. INTRODUCTION The ST7632 is a driver & controller LSI for 4K color graphic dot-matrix liquid crystal display systems. It generates 396 Segment and 132 Common driver circuits. This chip is connected directly to a microprocessor, accepts Serial Peripheral Interface (SPI) or 8-bit/16-bit parallel display data and stores in an on-chip display data RAM. 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. 2. FEATURES Driver Output Circuits −396 segment outputs / 132 common outputs Applicable Duty Ratios − Various partial display − Partial window moving & data scrolling On-chip Display Data RAM − Capacity: 396 × 132 × 4 =209,088 bits − 256 colors (RGB)=(332) mode −4K colors (RGB)=(444) mode −Dithered 65K colors (RGB)=(565) mode −Dithered 262K colors (RGB)=(666) mode −Dithered 16M colors (RGB)=(888) mode Microprocessor Interface − 8/16-bit parallel bi-directional interface with 6800-series or 8080-series − 4-line serial interface (4-line-SIF) − 3-line serial interface (3-line-SIF) On-chip Low Power Analog Circuit − On-chip oscillator circuit − Voltage converter (x2, x3, x4, x5, x6, x7, x8) − Voltage regulator − On-chip electronic contrast control function − Voltage follower (LCD bias: 1/5 to 1/12) Operating Voltage Range − Supply voltage (VDD, VDD1): 2.0 to 3.3V (VDD2, VDD3, VDD4, VDD5): 2.6 to 3.3V V3 & V4 must large than VDD5 − LCD driving voltage (VLCD = V0 - VSS): 3.76 to 18.0 V − Suggest Vop range=12V~14V,LCD bias=1/12. LCD driving voltage (EEPROM) − To store contrast adjustment value for better display Package Type − Application for COG Par no. Equipment Type Thermal Gradient ST7632 Internal Power Supply -0.125( +-10% )%/℃ ST7632 6800 , 8080 ,4-Line , 3-Line interface |
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