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c6678的srio读写方式

请问c6678的srio的NWRITE和SWRITE两种方式的区别是什么?

  • 区别:

    1)type类型不同, NWRITE:Ftype = 5 Ttype = 0100b,SWRITE:Ftype = 6 Ttype = don't care

    2)流写的packet size要求是 double word的整数倍 而NWRITE则没有如此严格的要求

    3)流写在datapack size大于80bytes的情况下,中间需要加2个byte的CRC校验

    4)包头开销不一样,流写的包头开销小