Material: ch32f103c8 minimum system board, keil5.27
Phenomenon: burning prompt internal command error
Solution: connect boot0 and boot1 to the jumper cap as shown in the figure below
Then click keil’s debug – & gt; Setting, select SWD in the connection port to see if the serial number similar to that in the figure below appears in the SWD service serial port (you can burn when it appears)
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