基于MAX7219的显示模块在台达PLC控制系统中的应用

Based on the MAX7219 display module in Delta PLC control system application

MAX7219是一款8位LED显示驱动控制芯片,由其构造的显示模块,具有显示位数多、控制端子少、亮度可控且成本低廉等特点。文章重点介绍了实际应用中遇到的硬件和软件方面技术技巧问题,而结构原理则简叙。

MAX7219 is a multiple LED display drive control chip, the structure of display module, a display digits, a control terminal, less controllable brightness and low cost characteristics.The article focuses on the problems in actual application of the hardware and software aspects of technical skills, while the structure principle is simply described.