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Issues with Erasing and Programming ATMEGA644PA...

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x1050us

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I am having issues with erasing (and programming) atmega644pa. Reading of signature, fuses and lock bits works with no issues. Erasing the device, and changing the fuses fails. Any tips on what else to check ?

Here is the output from avrdude.

>>avrdude: Device signature = 0x1e960a
>>avrdude: safemode: lfuse reads as FF
>>avrdude: safemode: hfuse reads as DC
>>avrdude: safemode: efuse reads as FD
>>avrdude: safemode: Fuses OK
Click to expand...

Here is the verbose output of avrdude for erase.

avrdude> dump lock
>>> dump lock
avrdude: Send: V [56] X [58] . [00] . [00] . [00] [20]
avrdude: Recv: . [14]
avrdude: Recv: . [cf]
avrdude: Recv: . [10]
0000 0f |. |

avrdude> erase
>>> erase
avrdude: erasing chip
avrdude: Send: V [56] . [ac] . [80] . [00] . [00] [20]
avrdude: Recv: . [14]
avrdude: Recv: . [00]
avrdude: Recv: . [10]
avrdude: Send: A [41] . [81] [20]
avrdude: Recv: . [14]
avrdude: Recv: . [01]
avrdude: Recv: . [10]
avrdude: Send: A [41] . [82] [20]
avrdude: Recv: . [14]
avrdude: Recv: . [12]
avrdude: Recv: . [10]
avrdude: Send: B [42] . [82] . [00] . [00] . [01] . [01] . [01] . [01] . [03] . [ff] . [ff] . [ff] . [ff] . [01] . [00] . [08] . [00] . [00] . [01] . [00] . [00] [20]
avrdude: Recv: . [14]
avrdude: Recv: . [10]
avrdude: Send: E [45] . [05] . [08] . [d7] . [a0] . [00] [20]
avrdude: Recv: . [14]
avrdude: Recv: . [10]
avrdude: Send: P [50] [20]
avrdude: Recv: . [14]
avrdude: Recv: . [10]
avrdude> dump lock
>>> dump lock
avrdude: Send: V [56] X [58] . [00] . [00] . [00] [20]
avrdude: Recv: . [14]
avrdude: Recv: . [cf]
avrdude: Recv: . [10]
0000 0f |. |
Click to expand...
 

I used arduinoISP and usbasp and got same results.
 

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