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ADUC7020使用PLA时为什么没有配置IO口,还是可以触发PLA中断?

配置:

     GP1CON = 0x00000022;  //enable the I2C on GPIO P1.0 and P1.1

    PLACLK=0x44;

   

    PLAELM2=0x0647;

    PLAELM6=0x0035;

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