title: avrdude and atmega48pa
body: <p>Can i programm the atmega48pa with avrdude? I have problems with the signature ...</p>
  
  <pre><code>% avrdude -pm48 -cavrisp2 -Pusb -V -U flash:w:main.hex
  
  avrdude: AVR device initialized and ready to accept instructions
  
  Reading | ################################################## | 100% 0.01s
  
  avrdude: Device signature = 0x1e920a
  avrdude: Expected signature for ATMEGA48 is 1E 92 05
           Double check chip, or use -F to override this check.
  
  avrdude done.  Thank you.
  </code></pre>
  
  <p>I have add some new lines to the avrdude.conf in /etc -directory</p>
  
  <pre><code>[...]
  part
      id               = "m48pa";
      desc             = "ATMEGA48PA";
       has_debugwire = yes;
       flash_instr   = 0xB6, 0x01, 0x11;
       eeprom_instr  = 0xBD, 0xF2, 0xBD, 0xE1, 0xBB, 0xCF, 0xB4, 0x00,
                       0xBE, 0x01, 0xB6, 0x01, 0xBC, 0x00, 0xBB, 0xBF,
                       0x99, 0xF9, 0xBB, 0xAF;
      stk500_devcode   = 0x59;
      signature        = 0x1e 0x92 0x0a;
  [...]
  </code></pre>
  
  <p>but now i get a another error</p>
  
  <pre><code>avrdude: safemode: Verify error - unable to read lfuse properly. Programmer may not be reliable.
  </code></pre>
  
  <hr>
  
  <h3>Edit - 1</h3>
  
  <p>Here some debugging information with "-vvv":</p>
  
  <pre><code>% avrdude -pm48pa -cavrisp2 -Pusb -F -vvv -U flash:w:main.hex
  
  avrdude: Version 5.10, compiled on Apr  3 2010 at 18:48:10
           Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/
           Copyright (c) 2007-2009 Joerg Wunsch
  
           System wide configuration file is "/etc/avrdude.conf"
           User configuration file is "/home/silvio/.avrduderc"
           User configuration file does not exist or is not a regular file, skipping
  
           Using Port                    : usb
           Using Programmer              : avrisp2
  avrdude: usbdev_open(): Found AVRISP mkII, serno: 000200030996
  avrdude: usbdev_open(): using read endpoint 0x82
  avrdude: stk500v2_getsync(): found AVRISP mkII programmer
           AVR Part                      : ATMEGA48PA
           Chip Erase delay              : 45000 us
           PAGEL                         : PD7
           BS2                           : PC2
           RESET disposition             : dedicated
           RETRY pulse                   : SCK
           serial program mode           : yes
           parallel program mode         : yes
           Timeout                       : 200
           StabDelay                     : 100
           CmdexeDelay                   : 25
           SyncLoops                     : 32
           ByteDelay                     : 0
           PollIndex                     : 3
           PollValue                     : 0x53
           Memory Detail                 :
  
                                    Block Poll               Page                       Polled
             Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages MinW  MaxW   ReadBack
             ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- ---------
             eeprom        65     5     4    0 no        256    4      0  3600  3600 0xff 0xff
                                    Block Poll               Page                       Polled
             Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages MinW  MaxW   ReadBack
             ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- ---------
             flash         65     6    64    0 yes      4096   64     64  4500  4500 0x00 0x00
                                    Block Poll               Page                       Polled
             Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages MinW  MaxW   ReadBack
             ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- ---------
             lfuse          0     0     0    0 no          1    0      0  4500  4500 0x00 0x00
                                    Block Poll               Page                       Polled
             Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages MinW  MaxW   ReadBack
             ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- ---------
             hfuse          0     0     0    0 no          1    0      0  4500  4500 0x00 0x00
                                    Block Poll               Page                       Polled
             Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages MinW  MaxW   ReadBack
             ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- ---------
             efuse          0     0     0    0 no          1    0      0  4500  4500 0x00 0x00
                                    Block Poll               Page                       Polled
             Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages MinW  MaxW   ReadBack
             ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- ---------
             lock           0     0     0    0 no          1    0      0  4500  4500 0x00 0x00
                                    Block Poll               Page                       Polled
             Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages MinW  MaxW   ReadBack
             ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- ---------
             calibration    0     0     0    0 no          1    0      0     0     0 0x00 0x00
                                    Block Poll               Page                       Polled
             Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages MinW  MaxW   ReadBack
             ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- ---------
             signature      0     0     0    0 no          3    0      0     0     0 0x00 0x00
  
           Programmer Type : STK500V2
           Description     : Atmel AVR ISP mkII
           Programmer Model: AVRISP mkII
           Hardware Version: 1
           Firmware Version Master : 1.10
           Vtarget         : 5.0 V
           SCK period      : 100.37 us
  
  avrdude: AVR device initialized and ready to accept instructions
  
  Reading | ################################################## | 100% 0.02s
  
  avrdude: Device signature = 0x1e920a
  avrdude: safemode read 1, lfuse value: 62
  avrdude: safemode read 2, lfuse value: 62
  avrdude: safemode read 3, lfuse value: 62
  avrdude: safemode: lfuse reads as 62
  avrdude: safemode read 1, hfuse value: df
  avrdude: safemode read 2, hfuse value: df
  avrdude: safemode read 3, hfuse value: df
  avrdude: safemode: hfuse reads as DF
  avrdude: safemode read 1, efuse value: 1
  avrdude: safemode read 2, efuse value: 1
  avrdude: safemode read 3, efuse value: 1
  avrdude: safemode: efuse reads as 1
  avrdude: NOTE: FLASH memory has been specified, an erase cycle will be performed
           To disable this feature, specify the -D option.
  avrdude: erasing chip
  avrdude: reading input file "main.hex"
  avrdude: input file main.hex auto detected as Intel Hex
  avrdude: writing flash (2336 bytes):
  
  Writing | ################################################## | 100% 8.54s
  
  avrdude: 2336 bytes of flash written
  avrdude: verifying flash memory against main.hex:
  avrdude: load data flash data from input file main.hex:
  avrdude: input file main.hex auto detected as Intel Hex
  avrdude: input file main.hex contains 2336 bytes
  avrdude: reading on-chip flash data:
  
  Reading | ################################################## | 100% 8.26s
  
  avrdude: verifying ...
  avrdude: 2336 bytes of flash verified
  
  avrdude: safemode read 1, lfuse value: 62
  avrdude: safemode read 2, lfuse value: 62
  avrdude: safemode read 3, lfuse value: 62
  avrdude: safemode: lfuse reads as 62
  avrdude: safemode read 1, hfuse value: df
  avrdude: safemode read 2, hfuse value: df
  avrdude: safemode read 3, hfuse value: df
  avrdude: safemode: hfuse reads as DF
  avrdude: safemode read 1, efuse value: 1
  avrdude: safemode read 2, efuse value: 1
  avrdude: safemode read 3, efuse value: 1
  avrdude: safemode: efuse reads as 1
  avrdude: safemode: Fuses OK
  
  avrdude done.  Thank you.
  </code></pre>
  
  <h3>Question</h3>
  
  <p>Can someone help me to flash a atmega48pa aith a avrispmkii</p>