i am using jdm progr.one time i prog . a micro controller ,after that i want chang only config , not program code and not eeprom code. how can do it ? pl help me.............
If it's the code protect fuse you have to erase the chip. Else just read it change it and reburn it.
Just program them one at a time. They only take 5 seconds to program.
How many do you want to program?