I am finding nrst pins. I have a question about the schematic design of the stm32 blue pill board. What is the use of the nrst pin in stm32f401rtc microcontroller.
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Boot mode is selected when nrst is high and not low so i am confused how this works step by. The recommended circuit shows a capacitor and a. Should i hold this nrst while programing using swd that was reassigned ?
Nrst is an active low signal, meaning when low (as you have it, tied to ground) will put the chip in reset and keep it there.
3、nrst 复位引脚作为 gpio 功能。 修改为 gpio 后，芯片就没有硬件复位功能。 其操作有两种方法，一种是使用我们的离线烧录器，第二种是烧写修改选项字节的 nest. A simple workaround is to disconnect the nrst pin from stlink when it is unpowered but i would like to know if there is a way prevent nrst from being shorted to gnd. I am using the swd interface to program and debug flash memory of the controller.
