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TI的TMS320F280049芯片有一个高速串行通讯FSI，这个通讯是否类似于SPI，或类似SCI，外围需要外接驱动芯片吗？如果需要外接驱动芯片，那需要外接什么类型的通讯芯片？FSI支持高速串行通讯，对通讯距离是否有特殊限制？
看一下下图的说明就清晰了
