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LPM3.5 模式下,I/O输出电平

“the I/O pin states are locked upon LPMx.5 entry. ”意思是如果配置为输出时,进入LPM x.5之前是高电平,进入LPM x. 5后也是高电平;进入LPM x.5之前是低电平,进入LPM x. 5后也是低电平?

  • 您的理解是正确的。

    从LPMx.5退出时,会锁定I / O引脚和其他LPMx.5相关(例如RTC)配置。重启后,I / O引脚被锁定为高阻状态,输入施密特触发器被禁用,直到用户清除LOCKLPM5。从LPMx.5唤醒后, I / O引脚和其他LPMx.5相关(例如,RTC)将被锁定为LPMx.5进入之前配置的状态,直到用户清除LOCKLPM5。

    0b = I / O引脚和LPMx.5配置已解锁。 1b = I / O引脚和LPMx.5配置保持锁定。