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tms570ls3137 emif接口时序问题

Other Parts Discussed in Thread: TMS570LS3137

我现在用tms570ls3137和W5300通过cpu的emif接口连接现在发现写入w5300的数据不对,通过示波器观察发现cpu写存在问题,每写一个数据,emif的cs引脚出现三次使能,对应写信号也是三次,麻烦大家给解释一下,是不是cpu本身存在bug,读数据就不存在这个问题