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ST7576 Datasheet(PDF) 1 Page - Sitronix Technology Co., Ltd. |
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ST7576 Datasheet(HTML) 1 Page - Sitronix Technology Co., Ltd. |
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1 / 54 page  ST Sitronix ST7576 66 x 102 Dot Matrix LCD Controller/Driver Ver 1.0 1/54 2007/01/29 1. INTRODUCTION The ST7576 is a driver & controller LSI for graphic dot-matrix liquid crystal display systems. It contains 102 segments and 65 common with 1 ICON driver circuits. This chip is connected directly to a microprocessor, accepts 3-line or 4-line serial peripheral interface (SPI), I 2C interface or 8-bit parallel interface, display data can stores in an on-chip display data RAM of 66 x 102 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 to drive liquid crystal, it is possible to make a display system with the fewest components. 2. FEATURES Single-chip LCD controller & driver Driver Output Circuits 102 segment / 65 common+1 ICON common (1/66 duty) 102 segment / 16 common+1 ICON common (1/17 duty) (1/17 duty is under partial screen mode) On-chip Display Data Ram - Capacity: 66X102=6,732 bits Microprocessor Interface - 8-bit parallel bi-directional interface with 6800-series or 8080-series - 4-line SPI (serial peripheral interface) available (only write operation) - 3-line SPI (serial peripheral interface) available - I 2C (Inter-Integrated Circuit) Interface On-chip Low Power Analog Circuit - Generation of LCD supply voltage - Generation of intermediate LCD bias voltages - Oscillator requires no external components (external clock also possible) - Voltage converter X4; X5 - Voltage follower - On-chip electronic contrast control function (255 steps) External RESB (reset) pin Logic supply voltage range - VDD1 -VSS : 1.8 to 3.3V - VDD2 -VSS : 2.4 to 3.3V Display supply voltage range (V0) - Application Vop range: 4V-9.5V - Programmable Max V0: 10.5V Temperature range: -30 to +85 degree ST7576 6800 , 8080 , 4-Line , 3-Line interface (without I2C interface) ST7576i I2C interface |
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