Any way of write-protecting NH9 chip ?

**qortizone** · 06-28-2005,04:01 AM

Any one know ? Thanks

**retro** · 06-28-2005,08:43 AM

please explane more...
it is possible to burn in safty fuses when programing a microcontroller or simular.
but not when it has been already programed.
why do you want to do that?

**SlinkyDink** · 06-28-2005,10:10 AM

the eeprom can be protected by grounding pin 3, but unforntunately to support this feature a bit in the eeprom must also be set

So the short answer is: No it cannot be done

The long answer is: It cannot be done easily, but with an eeprom programmer (that supports the chip on the nh9), it might be possible.

**qortizone** · 06-28-2005,11:52 AM

Ok. Thanks for the information.

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