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https://e2e.ti.com/support/microcontrollers/msp-low-power-microcontrollers-group/msp430/f/msp-low-power-microcontroller-forum/1008204/msp430f5249-msp430f5249
是否需要配置任何寄存器以使用内部施密特触发器？
Priyanka、
请参阅下面参考指南的第12.2节。 可使用 PxDIR 将 IO 设置为输入方向、并可使用 PxREN 启用上拉或下拉。
https://www.ti.com/lit/ug/slau208q/slau208q.pdf
您还可以在数据表的第9.10节中看到 IO 图。
https://www.ti.com/lit/ds/symlink/msp430f5249.pdf
