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https://e2e.ti.com/support/microcontrollers/msp-low-power-microcontrollers-group/msp430/f/msp-low-power-microcontroller-forum/1456309/msp430fr2155-after-entering-low-power-mode-lpm4-the-chip-freezes
工具与软件：
尊敬的专家：
进入低功耗模式后芯片冻结。 代码如下：
你可以检查一下吗？
谢谢！
LEO
定义"冻结"。
嗨、Leo、
我想您可能错过了以下内容：
// Disable the GPIO power-on default high-impedance mode // to activate previously configured port settings PM5CTL0 &= ~LOCKLPM5;
这里是另一个 FRxx 器件的 GPIO 中断示例。 https://dev.ti.com/tirex/explore/node?node=A__ADK3rB2bf-DOgn6aSbCoTQ__msp430ware__IOGqZri__LATEST
希望这对您有所帮助。
JD
