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[STM32] solution to the problem that SWD cannot recognize devices after STM32 burning program
2022-07-07 10:24:00 【GEEK. Siege lion】
When there is a problem with the software configuration , It will cause the program to download , Unable to identify the problem of the chip . The chip needs to be erased .
One 、 Hardware connection
1、 Use USB Serial port conversion tool , Connect STM32 Chip UART1 On the pin , Be careful TX and RX The order
2、 take boot0 The pin level is pulled high
Two 、
Software download address :
http://www.mcuisp.com/
3、 ... and 、 Erase the chip
1、 Set the baud rate to 76800, Select the corresponding serial port
2、 Click on “ Clear the chip ”, Then press the reset key , Wait for the cleanup to complete
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