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https://e2e.ti.com/support/microcontrollers/arm-based-microcontrollers-group/arm-based-microcontrollers/f/arm-based-microcontrollers-forum/757671/rm44l920-rm44l920apge-nrst-pin-keeps-low-after-power-on
为什么 NRST 引脚在上电时保持低电平？ 有什么可能的原因？ 我们在外部使用10千欧的上拉电阻、但 NRST 仍然处于低电平。
