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[SOLVED] Problem in programming 18F4550 using Microburn

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speedEC

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Dear Sir,

I already completed interfacing GSM Modem with PIC16F877A Project. Now, I tried on 18F4550. Just I tried to write sample (LED) program on PIC18F4550 using microburn software (PIC PLUS ICSP Programmer), I can able to write only one time. If I just modified the code or try to reprogram the chip with other program (say USART.c) error occurred. "Error at Address 0x0000 Good at:..... Bad at...". I left all the fuse settings as default except OSC (4MHZ), Disable WDT. I thought the PIC might be faulty so I bought new one. But the same result. Can any one help me? Advance Thanks.
 

speedEC

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Might be PIC Damaged. So, I have moved to PIC18F452 and it works fine with GSM Modem.
 

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