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TMS320F28335: 关于GPIO复用功能问题

Part Number: TMS320F28335

在对GPIO配置时,若使用GPIO的复用功能GPAMUX,如复用PWM,TZ功能,需要对GPAMUX寄存器配置。在进行复用时,是否还需对GPIO口其它寄存器配置,如使能上拉PUD寄存器,方向DIR寄存器,复用时配置这些寄存器是不是不起作用了?