本设计运用了基于 Nios II 嵌入式处理器的 SOPC 技术。系统以 ALTERA 公司的 Cyclone II 系列 FPGA 为数字平台，将微处理器、Avalon 总线、LED 点阵扫描控制器、存储器和人机接口控制器等硬件设备集中在一片 FPGA 上，利用片内硬件来实现 LED 点阵的带地址扫描，降低系统总功耗和简化 CPU 编程的同时，提高了系统的精确度、稳定性和抗干扰性能。-This design used the Nios II embedded processor based on SOPC technology. System to ALTERA' s Cyclone II series FPGA for digital platforms, microprocessors, Avalon bus, LED dot matrix scan controller, memory and man-machine interface controller and other hardware devices focused on an FPGA, using on-chip hardware to achieve the LED dot-matrix band address scan, reducing the total system CPU power consumption and simplify programming while increasing the system' s accuracy, stability and anti-jamming performance.