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Stm32 chip Download Success, program does not run the problem of resolution

Source: Internet
Author: User
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In the debugging process appears stm32 program download success but the program does not run, in the debug, after the execution of initialization, execution to the time delay function when the error, suspected external clock problem, the use of 8MHz crystal oscillator, crystal after the change of the program normal operation.

Using an oscilloscope to measure crystal waveforms such as:

After replacing crystal oscillator waveform such as:

Stm32 chip Download Success, program does not run the problem of resolution

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