Collect

We often need to set STM32 to enter low power mode at a certain time. Many people cannot burn the program again when entering low power mode for debugging. The solution is:

1. Boot0 must be pulled high, boot1 (PB2) must be pulled low, and then the power must be restarted. The MCU will enter the ISP programming mode. At this time, the program can be downloaded through serial port 1.

2. Press and hold the reset button first, then click MDK download, and then release the reset. Some boards do not have a reset pin, so you can also lead out the NRST pin.

3. Solution to the problem that the program cannot be burned after STM32 enters low power mode When downloading with an emulator, if the emulator is connected to a reset line, you can turn on the hard reset in the download settings. (The current problem is that boot0 can only be pulled high, but it should have nothing to do with the boot method)

Solution to the problem that the program cannot be burned after STM32 enters low power mode Both HW RESER and SYSRESERREQ are acceptable.

Solution to the problem that the program cannot be burned after STM32 enters low power mode

When using ST-Link to download a program, it prompts "flash timeout. reset the target and try it again"

After ensuring that other environments are configured correctly, configure as follows.

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Keywords：STM32 Reference address：Solution to the problem that the program cannot be burned after STM32 enters low power mode

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