Launching C:\Eclipse_avrdude\AVRDUDE\avrdude -pm644p -cusbasp -Uflash:w:106_test_uc_atmega644pa.hex:a
Output:

Please wait ...

avrdude_mk.exe: AVR device initialized and ready to accept instructions

Reading | ################################################## | 100% 0.00s

avrdude_mk.exe: Device signature = 0x1e960a
avrdude_mk.exe: NOTE: FLASH memory has been specified, an erase cycle will be performed
                To disable this feature, specify the -D option.
avrdude_mk.exe: erasing chip
avrdude_mk.exe: reading input file "106_test_uc_atmega644pa.hex"
avrdude_mk.exe: input file 106_test_uc_atmega644pa.hex auto detected as Intel Hex
avrdude_mk.exe: writing flash (158 bytes):

Writing | ################################################## | 100% 0.09s

avrdude_mk.exe: 158 bytes of flash written
avrdude_mk.exe: verifying flash memory against 106_test_uc_atmega644pa.hex:
avrdude_mk.exe: load data flash data from input file 106_test_uc_atmega644pa.hex:
avrdude_mk.exe: input file 106_test_uc_atmega644pa.hex auto detected as Intel Hex
avrdude_mk.exe: input file 106_test_uc_atmega644pa.hex contains 158 bytes
avrdude_mk.exe: reading on-chip flash data:

Reading | ################################################## | 100% 0.06s

avrdude_mk.exe: verifying ...
avrdude_mk.exe: 158 bytes of flash verified

avrdude_mk.exe: safemode: Fuses OK

avrdude_mk.exe done.  Thank you.

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avrdude finished