When programming PIC microcontrollers, you may encounter this problem: the program is fine, the program is burned successfully, and the hardware is powered on, but why is there no response?
Later I found that my configuration bits were not configured properly. The following is what I have summarized to check how to make PIC work properly, provided that there is no problem with the code.
1. Select the chip;
2. Set the Configuration Bits;
3. Power on the system;
For Configuration Bits, my settings on pic16f873a are as follows:
Of course, different chips have different settings. Please refer to the data manual of each CPU for details.
After the system starts, for example, if the vibrator starts to vibrate but the system still does not work as expected, then check whether the logic of the code is correct. Of course, hardware problems cannot be ruled out. Only by combining software and hardware can the problem be found.
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Professor at Beihang University, dedicated to promoting microcontrollers and embedded systems for over 20 years.
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