基于st7567a的132x65點陣液晶顯示控制器數據手冊pdf

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上傳日期: 2018-02-07

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1 INTRODUCTION

ST7567A is a single-chip dot matrix LCD driver which incorporates LCD controller and common/segment drivers. ST7567A can be connected directly to a microprocessor with 8-bit parallel interface, 4-line serial interface (SPI-4), 3-line serial interface (SPI-3) or I2C serial interface. Display data sent from MPU is stored in the internal Display Data RAM (DDRAM) of 132x65 bits. The display data bits which are stored in DDRAM are directly related to the pixels of LCD panel. ST7567A contains 132 segment-outputs, 64 common-outputs and 1 icon-common-output. With built-in oscillaTIon circuit and low power consumpTIon power circuit, ST7567A generates LCD driving signal without external clock or power, so that it is possible to make a display system with the fewest components and minimal power consumpTIon.

2 FEATURES
 
Single-chip LCD Controller & Driver On-chip Display Data RAM (DDRAM) ? Capacity: 132x65=8580 bits ? Directly display RAM pattern from DDRAM Selectable Display Duty (by SEL2 & SEL1) ? 1/65 duty : 132 segment x 65 common ? 1/55 duty : 132 segment x 55 common ? 1/49 duty : 132 segment x 49 common ? 1/33 duty : 132 segment x 33 common Microprocessor Interface ? Bidirectional 8-bit parallel interface supports: 8080-series and 6800-series MPU ? 4-line SPI (SPI-4) ? 3-line SPI (SPI-3) ? I2C Abundant Functions ? Display ON/OFF, Normal/Reverse Display Mode, Set Display Start Line, Read IC Status, Set all Display Points ON, Set LCD Bias, Electronic Volume Control, Read-modify-Write, SelectSegment Driver Direction, Power Saving Mode, Select Common Driver Direction, Select Voltage Regulator Resistor Ratio (for V0). External Hardware Reset Pin (RSTB) Built-in Oscillation Circuit ? No external component required Low Power Consumption Analog Circuit ? Voltage Booster (4X, 5X) ? High-accuracy Voltage Regulator for LCD Vop: (Thermal Gradient: -0.05%/°C) ? Voltage Follower for LCD Bias Voltage Wide Operation Voltage Range ? VDD1-VSS1=1.8V~3.3V (TYP.) ? VDD2-VSS2=1.8V~3.3V (TYP.) ? VDD3-VSS3=1.8V~3.3V (TYP.) (Optimize the panel size smaller than 1‖ when VDD2=VDD3=1.8V application, please refer to section 15-4) Temperature Range: -30~85°C

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