ad9854的说明，有需要可以自己下载来看一下的(AD9854's explanation, there's a need to download it for yourself.)

基于fpga和ad9854的dds发生器，包含测试程序

采用stm32作为主控芯片，经验证，可正确产生频率可调的正弦波和方波(Using STM32 as the main control chip, it has been proved that sinusoidal and square waves with adjustable frequency can be generated correctly.)