通过ADC0809对模拟信号进行采样，然后将转换好的8位数据迅速转存到FPGA内部存储器中，同时增加一个锯齿波发生电路，扫描时钟与地址发生时钟一致。由此完成一个示波器功能！-Through ADC0809 carried out on the analog signal sampling, and then a good 8-bit data conversion转存到rapid internal FPGA memory, at the same time increase the occurr