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f28069 GPIO 外部中断问题



goio23作为XINT1的中断源,可以正常 中断工作。   gpio54作为XINT3的中断源不能进入中断服务程序,照着XINT1的初始化代码我写了XIN3的初始化代码,但是调试中进不了中断?   XINT1和XINT3初始化代码有什么不一样的地方?