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retepsnikrep
- 20th March 2011, 10:56
This links to a very annoying problem with the 16F88 chips. I have yet to try the solution mentioned but i certainly have a few locked chips that my programmer won't recognise!!

http://www.microchip.com/forums/m303686.aspx

mackrackit
- 21st March 2011, 00:54
Which programmer do you use?

Archangel
- 21st March 2011, 06:49
I had that problem a year or so back, as I remember I was able to program with a PICKIT2 by starting the PICKIT2 software and program without a hex file to unlock.

retepsnikrep
- 21st March 2011, 07:24
Pickit 2 Clone.

I managed to unlock all my pics but had to redesign my pcb to leave MCLR enabled which cures the problem. It's a bugger if you get caught by it though.

Archangel
- 21st March 2011, 16:29
Thanks for the follow up !