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因电路设计中想多增加几路串口，F28069的McBSP可不可以当用普通的485串口来用，其硬件设计是怎样的？寄存器配置是否有例程？
谢谢
Sam,
McBSP可以配置成SPI的模式，如果要再接485的话，需要用SPI 转485的芯片。
Eric
