The principle,features and application of multi-channel synchronized sample ADC MAX1312 are introduced,including its hardware interface design and software programming method between MAX1312 and Micro-processor.AT89C52.At last,it describes the application of MAX1312 in control ing the polyphase electric engine.%阐述了MAX1312的特性和工作原理,介绍了MAX1312与通用8位微处理器AT89C52的硬件接口设计以及软件编程方法,最后简述了该模数转换器在多相电机控制中的应用。
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