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请问两者的通信搭建是否就用SSI0Clk、SSI0Fss、SSI0Rx、SSI0Tx四个管脚就可以了？
你看看用的那种接口相连了，SPI接口的话，这四根线就够了
你看官方给的这张图，还需要一个INT0的引脚相连，另外还需要考虑电平的匹配，建议参考官方开发板的以太网接口原理图
