利用计数器来实现三角波的程序设计任务，用于信号发生器-Use counters to achieve the triangular wave of program design tasks, for the signal generator

多功能函数信号发生器，频率计，可产生三角波，方波，正炫波，锯此波，且波形幅度和频率可步进调节，最高频率可达40MHz-Multi-function signal generator, frequency counter, can generate the triangular wave, square wave, is hyun waves, saw this wave, and wave amplitude and frequency adjustment can be stepper, th

正弦信号发生器生成正弦信号 存储格式为mif 用于quartus2的仿真-Sinusoidal signal generator to generate a sinusoidal signal storage format for the mif for quartus2 simulation