本设计基于数字示波器原理，以高速转换器件、CPLD和单片机为核心，结合直接存储器存取(DMA)技术，设计制作完成了简易数字存储示波器。此数字示波器具有实时单、双踪显示和存储、连续回放显示功能。整个设计实现了数字存储示波器的所有功能指标。-The design is based on principles of digital oscilloscopes, high-speed conversion devices, CPLD and microcontroller as the core, combined with direct memory access (DMA) technology, designed to complete a simple digital storage oscilloscope. This real-time digital oscilloscope with single, dual-trace display and storage, continuous playback display. The design implements all the features of digital storage oscilloscope indicator.