要求完成单片机、LED点阵显示屏及外围芯片的选型、单片机端口资源的分配以及LED点阵显示的控制系统，要求所设计的LED点阵显示屏可以显示数字、字符、中文汉字，并具有动态滚动的效果。-Required to complete the MCU, control system selection, allocation of port resources and LED dot matrix display LED dot matrix display and peripheral chips, LED dot matrix display in the design requirements can display Chinese characters, Chinese characters, numbers, and has the effect of dynamic rolling.