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Keyfob 项目MCU工作状态下P0.7引脚为高电平



大家好!我基于Keyfob项目下开发产品,由于Keyfob原始代码没用到P0.7引脚,keyfob原理图p0.7引脚也是没用到的,所以我选择该引脚驱动LED。但发现LED在MCU工作时是亮的,睡眼时灭的,所以只要通电LED一直在闪。找不到哪个地方将P0.7引脚拉高。请教各位大哥了。谢谢!