TMS320F2812的多通道高速同步交流采样设计

在电力运行参数测控类应用系统中，采用AD73360型A／D转换器采集多路电压和电流信号，使用TMS320F2812实现了高速同步采样及电力参数在时域的计算；给出AD73360和TMS320F2812的硬件接口电路；采样系统采用C语言编程，给出了主程序、多通道缓冲串行接口初始化过程等的流程图；论述了采样接收中断、时域采样数据处理等技术。通过测试验证了设计方案的适用性和正确性。

Multi-channel High-speed Synchronous Communication Sampling Based on TMS320F2812

In application system of power operation parameters measurement and control, the AD73360 A/D converter is used for acquisition and measurement of multiple voltage and current signals, and TMS320F2812 DSP chip is used to Achieve fast synchronous sampiing and electric parameters calculation in time domain. The AD73360 and TMS320F2812 hardware interface circuit is given. The sampling system uses the C programming language, and the main program and multichannel buffer serial interface initialization process flow chart are given. The sampling recieve interrupt and the time domain sampled data processing technique are discussed. Tests show the applicability and correctness of the design.