摘要
文章介绍了一种具有4位/8位并行、2线/3线串行等多种接口方式,内含国标简体中文字库的图形点阵液晶显示控制模块。结合实际简要介绍了一种微机保护装置的构成及功能特点,同时给出了该装置中应用于显示部分的液晶模块ST7920与TMS320LF2407的接口硬件及软件实现。
ALCD controller/driver IC is presented. It supports 4 or 8 bits parallel interface, 2 or 3 line serial interface , and country mark simplified Chinese fonts are built in it. The composition and functional features of a computer protection system in combination with engineering practices are put forward. The hardware and software in the computer protection system design between ST7920 and LF2407 are described.
出处
《电力科学与工程》
2005年第4期41-44,共4页
Electric Power Science and Engineering
