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你好：
28335外扩了2片ADS8568，XINTF的读写信号、地址信号等传给CPLD经过逻辑综合后再控制AD，目前我只用到了XA0-XA7，那么我是否可以在设置GPIOxMux寄存器时，只将XA0-XA7设置为地址线模式而XA8-XA19设置为普通IO口模式？
可以的
