Based on the special resource of digital signal processor (DSP), the double computers communications between the host and the slave computer is realized with DMA mode, and the host computer can download DSP programs with DMA function.

• 应用数字信号处理器 ( DSP)的特殊资源 ,采用 DMA方式实现主机与从机之间的双机通信 ,并利用 DMA功能实现主机下载 DSP程序。