As Thomas Carsten Franke wrote: > I did not restored the NVM CMD because I > didn't know that it would has to be.
This is correct. We recently added a note to the documentation in the header file <avr/pgmspace.h> telling that on Xmega devices, all the functions will only work as designed if NVM_CMD is set to 0x00 (NOP). As you had to manually take care to set NVM_CMD to something else before, I think it's only fair to leave the job to the programmer to restore it afterwards. -- cheers, J"org .-.-. --... ...-- -.. . DL8DTL http://www.sax.de/~joerg/ NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-) _______________________________________________ AVR-libc-dev mailing list AVR-libc-dev@nongnu.org http://lists.nongnu.org/mailman/listinfo/avr-libc-dev