STM32 use J-Link to burn write Error: Flash Download failed, stm32j-link

Source: Internet
Author: User

STM32 use J-Link to burn write Error: Flash Download failed, stm32j-link

IAnd symptom

An error occurred while burning data using J-Link for STM32. The error message is as follows:

1. Error: Flash Download failed-Cortex-M3


This is the pop-up information of the compiler.

2. ** JLink Warning: cocould not set S_RESET_ST

This is the display information printed in the compiler debugging window.


Ii. Cause and Solution

There is a problem with the reset circuit of the STM32 chip on the circuit board. When the J-Link chip is reset, the interval between the reset signal is too long.

1,Reset pin under normal circumstancesLevel:



2,Reset pin in case of exceptionLevel:


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