【摘要】 利用 AT89C5 1及可扩展接口芯片 81 5 5 ,设计了一种通用化的字符型液晶接口。介绍了其接口电路原理 ,并给出用 C5 1编译的初始化源程序。此接口具有简易 ,经济实用 ,便于移植的特点更多还原

【Abstract】 By using AT89C51 and extended interface chip-8155, the paper successfully designs the universal interface for character mode LCD. The paper introduces the electro-circuit theory of the interface and offers initializers applicable to the program interface, which are compiled by C51. This interface is simple, economical and easy to transplant.更多还原