数码管显示，温度传感，红外感应，流水灯蜂鸣器，PS2,RS232的相关VHDL程序，已经在MAX-IIEPM570开发板上测试成功-Digital display, temperature sensor, infrared sensor, water lights buzzer, PS2, RS232 relevant VHDL procedures have been developed at MAX-IIEPM570 the success of on-board test