How to switch pic16f648 to debug mode?

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pic16f648

Hi,

You cant. 648 cant support ICD2 debug. Use other chip like 16F88 to write the program and devug, then load the program to the 16F648 and test it.
Good luck.
 

Hi,

If you are using MPLAB and Hi-T*ch compiler then add in the __CONFIG () this register: DEBUGEN.
if not, then add this line to the general register:
/* In-Circuit Debugger Mode */
#define DEBUGEN 0x37FF
#define DEBUGDIS 0x3FFF

When you will program the device to free run, remember to remove this line.
Good luck.
 

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