The paper introduced the application of a new type of 8-bit LED display control driver MAX7219 in DXD packaging machine and its working principle. At the same time,the designing method for hardware and software was indicated.

• 阐述了新型8位LED显示驱动芯片MAX7219在DXD系列全自动包装机上的应用,以及其工作原理和软、硬件的设计方法。