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一种硬件代价极小、软件控制简单的DSP与A/D和D/A的接口设计方法。该方法采用DSP的程控能力协调A/D、D/A等各种模块的工作,不需要总线隔离。该方法已成功地应用于汽车防撞雷达信号的采集与处理系统中。
A minimal hardware cost, software control simple DSP and A / D and D / A interface design. The method uses the program-controlled ability of DSP to coordinate the work of various modules such as A / D and D / A, and does not need bus isolation. The method has been successfully applied to the collection and processing system of automotive anti-collision radar signals.