MCUmall EPROM BIOS Chip Burner Forum
MCUmall EPROM BIOS Chip Burner Forum
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1 Posts

Posted - 12/01/2010 :  21:39:52  Show Profile  Reply with Quote
I have had my USB PIC Programmer for several months but only started programming recently.

I am using the 12F629 that came with the programmer.

I was able to successfully program a single program to it, but now I am not able to write anything new, and I am unable to erase the chip.

When I try and program, I get the following error.

Image Insert:

20.16 KB

When I try to erase the chip i get the following

Image Insert:

20.83 KB

One thing that I have found is that if I read what is on the chip, and then select program, it programs successfully. It is like I can't program anything new.

I have checked the forums for similar but can't seem to find anything helpful other than a post that my indicate that my programmer is damaged.

Any Help would be great.


Edited by - ckinvig on 12/01/2010 21:41:06
Reply #1


2941 Posts

Posted - 12/03/2010 :  20:37:49  Show Profile  Reply with Quote
Check code protection CFG bit. Turn off it to verify the chip.
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