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Other Parts Discussed in Thread: DP83640
网口部分我参照DP83648已经搞定了，就是PTP部分应该怎样连接？感激不尽啊
是不是再将DP83640的GPIO1、2、3、4、8、9与STM32的GPIO相连就可以了？还是其他地方也需要做什么，求前辈们指点啊！
还DP83640的GPIO是用来引入GPS或者北斗传回来的1PPS来打时间戳的，哪位前辈知道的麻烦告诉一下啊，拜托了
