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https://e2e.ti.com/support/microcontrollers/msp-low-power-microcontrollers-group/msp430/f/msp-low-power-microcontroller-forum/625944/msp430g2553-getting-getting-inputs-even-though-i-have-nothing-connected-to-the-msp
有时、即使我将引脚 P1.0设置为输出、仍会从同一引脚获取输入、为什么会发生这种情况？
