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TMS320F280049C: SDFM Manchester输入的问题

Part Number: TMS320F280049C


1、280049芯片的SDFM模块支持Manchester输入的bit流,但是这种bit流来自外挂芯片,速度是可配置的,那么在输入bit流的时候,需要在时钟引脚(SD_Cx)再输入对应的时钟来用于解码么?还是说SDFM内部有时钟来对(SD_Dx)进行解码? 2、如果想要成功地配置SDFM在Manchester_code模式运行,SD_Dx输入的Manchester_bit_stream有什么格式要求么?有没有特殊的帧格式?比如有没有像通信总线那样的帧头或帧位