基于atmega16和spi adc mcp3001的读操作，在avrstudio中构建程序，在proteus中仿真显示。-Based on atmega16 and spi adc mcp3001 reads, in avrstudio build process, the simulation shows in proteus.

直流电机测速控制,MCP3001为10位串行逐次逼近式A/D转换器.-DC motor speed control, MCP3001 10-bit serial successive approximation type A/D converter.