单片机液晶硬件汉字库设计

TitleThe control circuit design of the dot-matrix liquid crystaldisplay controlled by the microprocessorAbstractIn recent years,with the development of the electronics industry,the application of theMicrocontroller Unit is becoming more and more widely,also,there is more and moreelectronic circuit design based on the Microcontroller Unit.Therefore,theMicrocontroller Unit using in the electronic teaching is becoming more common.This design introduces the liquid crystal display control system based on the ATMEGA8microcontroller.This design elaborated on its working principle,the basic functionalblock diagram,main design methods and working process.This design puts forward to adesign scheme based on the Microcontroller Unit,which can control the showing contentof the LCD screen controlling system at the real time.The specific method is that,firstlywe should design and weld into an AVR Microcontroller development board and thendesign a LCD module display circuit based on the development board.After that,writethe LCD module initialization program and displaying program.At last,download theprogram to the MCU,and the LCD will show the Chinese characters.Keywords ATMEGA8 control LCD12864 displaying