hi cliff,
I'm trying to load My16M_32.hexfile into my chip. But at the end of operation the verification fails. I have the same result with 2 chips.
I use avr pocket programmer from sparkfun as you advisored me.
What's the mismatch.
thanks

avrdude: verifying ...
avrdude: 1 bytes of hfuse verified
avrdude: reading input file "My16M_32.hex"
avrdude: input file My16M_32.hex auto detected as Intel Hex
avrdude: writing flash (32576 bytes):

Writing | ################################################## | 100% 29.73s

avrdude: 32576 bytes of flash written
avrdude: verifying flash memory against My16M_32.hex:
avrdude: load data flash data from input file My16M_32.hex:
avrdude: input file My16M_32.hex auto detected as Intel Hex
avrdude: input file My16M_32.hex contains 32576 bytes
avrdude: reading on-chip flash data:

Reading | ################################################## | 100% 27.79s

avrdude: verifying ...
avrdude: verification error, first mismatch at byte 0x0000
         0x00 != 0x0c
avrdude: verification error; content mismatch

hi,
The ecu is powered by stabilized supply with 12v. I send you the complete output .
Thanks